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Alert1 Spoiler Alert: This article/section contains details about future plot lines described in the light novels, not covered in the anime. Do not proceed unless you want to be spoiled.

Plot

Tohka Dead End

Kotori kicks Shido

Kotori waking up Shido

On April 10th, Kotori attempts to wake her older brother up by landing her foot on his stomach. As Shido complains about wanting more sleep, Kotori slowly starts shaking Shido awake to get him ready for school. In response, Shido pretends to be possessed by the T-Virus, which will force him to tickle her to death. Terrified, Kotori runs away, hiding under the living room table. After Shido had finally woke up, he calms Kotori down by telling her it was only a joke. As Shido prepares breakfast, Kotori starts to watch TV in the living room. As they watch the report on Spacequakes in their area, Kotori mutters that it was a little bit too early. As Shido comes closer to hear what she said, he discovers that she was secretly eating Chupa Chups before breakfast. Shido confiscates Kotori's candy, but he ultimately decides to give it back when she starts begging. Before Shido leaves for school, she made him promise to take her out to a family restaurant for lunch. A promise that she told him he had to keep even if terrorists invade the restaurant or a Spacequake occurs in the area.

After witnessing the fight between the nameless girl who caused the Spacequake and Shido's classmate, Origami Tobiichi, he collapses and wakes up in an airship called <Fraxinus>. There, the vice-commander, Kyouhei Kannazuki, and the analyst officer, Reine Murasame, introduce Shido to their commander, who turns out to be his little sister, Kotori, but with a more mature personality. She then welcomes Shido to <Ratatoskr>.

After that, she begins explaining the situation with the Spirits and the AST to Shido. However, Shido asks her to slow down, since he is genuinely shocked with his little sister's attitude. She starts talking in a rude, sadistic manner, and continues her explanation about the Spirits. When Shido tells her that he was out looking for her at the restaurant during the Spacequake, Kotori cuts off the ship's filter, revealing them to be 15,000 meters above the family restaurant. Then, they start talking about the AST and their intentions to kill the Spirits. When Shido states that such a thing is horrible, Kotori explains the two primary methods to deal with a Spirit: to kill them, or to pacify them by making them fall in love with Shido. First, he disagrees with these methods, but Kotori insists that this is the only way, and <Ratatoskr> will do its best to back him up. Once he is convinced, they decide to begin his training on the next day.

On the next day, Kotori goes to school to visit Shido and Reine, officially commencing her brother's training in the physics preparation room. Once there, Kotori activates her "Commander-Mode" personality and scolds Shido for not having experience with women. After this argument, Kotori proves her point by pushing Shido's face into Reine's breasts. Due to his reaction, Kotori says that this training is needed to keep calm when dealing with females. To his surprise, the so necessary training is actually a dating simulation video game. Supposedly, the game was made by <Ratatoskr> and reproduces "situations that can happen in reality". Every time an option came up and Shido got it wrong, Kotori punished him by revealing something embarrassing about him (such as a poem), or by attacking him.

Ten days later, when Shido finally manages to clear the game, Kotori gives him a passing mark and says that it's time to practice with real women. Reine suggests trying with Tamae, Kotori agrees, saying that she is an ideal target for a beginner like him. When Shido finds her, Kotori reminds him that he won't die in this training and should compliment her first, but he overdoes it, and Reine decides to help him. Moments later, Shido retreats, and while arguing with Kotori through the intercom, he crashes into Origami. Kotori says that this too is a perfect opportunity to interact with a member of the AST. However, his strange conversation with Origami is interrupted by the Spacequake alarm. After determining the Spirit will appear in Raizen High School, Kotori, Shido, and Reine retreat to <Fraxinus>.

While watching over the Spirit, both Shido and Kannazuki claim that maybe he hasn't had enough training to confront the Spirit, but Kotori dismisses this and calls them pigs. However, she tells him that the Spirit is at the school, and the AST aren't equipped to fight indoors. After reassuring him, she introduces the crew members who'll be helping Shido in his dates, but they seem to be just perverts. After telling him that Shido can start a new game if he dies, Kotori wishes him good luck.

Once at school, Kotori tells him to look for the Spirit in class 2-4, Shido's classroom. If it's there, Kotori tells him that he'll have a locational advantage. It doesn't take too long for Shido to find <Princess>. When she sees him, she attacks him, but Shido tells her that he's not the enemy. Then, Kotori informs him that it should be safe to enter the classroom again since she is not preparing to attack. Suddenly, <Princess> asks him who he is, and Kotori tells him to stop as the choices appear. After some deliberation, Kotori asks him to repeat what she'll say: "Before asking for someone's name, state your own first." Hearing this, <Princess> gets ready to attack him, but Shido manages to get her talking, and she asks about his intentions. Then, more choices appear for the <Fraxinus> crew. Kotori tells him to go with the second option, "Of course, I came to meet you," but <Princess> asks him why. The choices appear once more. This time, Kotori has him say "It was so we could love each other", but this causes <Princess> to attack him. However, when Shido decides to tell her his real intentions, Kotori asks him to calm down, but he doesn't pay attention to it. To their surprise, that approach works with <Princess>, so Kotori tells him to continue like that.

At some point during the conversation, <Princess> asks Shido to give her a name. Kotori asks her crew to think of something and send it to her, with "unfitting" results such as "Misako" (one of Kawagoe's ex-wives) and "Clarabell," a weird name Kimimoto made. Running out of time, Kotori tells him to give her the name "Tome," but this greatly displeases the Spirit. Desperate, Shido gives her the name "Tohka," and <Princess> comes to like it. Suddenly, he hears an explosion, and Kotori tells him to get on the ground. She tells him that the AST must be doing this to lure Tohka out. Then, Kotori tells him that he has two choices, to run, or to stay, and she compliments him when he decides to stay with Tohka.

After some time, Kotori reminds Shido that they need information on the Spirits, so he should ask Tohka a question. Suddenly, Kotori tells him that Tohka's mood is above 70 and asks him to make a move, such as inviting her to a date. After some convincing, he finally asks her out on a date, but Tohka doesn't know what that is. However, Origami interrupts them and starts fighting Tohka. Kotori then teleports Shido to <Fraxinus>.

On the next day, Kotori is seen with Reine in a café, since her school was closed due to the Spacequake. Suddenly, Reine asks her why she chose him to deal with the Spirits. Kotori begins explaining Shido's history when her family adopted him. However, Reine asks her "what" exactly is Shido. When Kotori tells her that it will become something that everyone will know, she sees Shido and Tohka enter the café, which causes her to blow her juice all over Reine. After speculating that Tohka must have appeared silently, they begin making preparations for a successful date.

After Shido and Tohka have left the café, Kotori congratulates Reine, who was disguised as an employee. Then, she gives more orders to her crew, telling them to be ready or she'll have them skinned. During the date, Kotori and her crew eventually draw them to a love hotel, but Shido refuses to enter. Seeing this, Kotori calls her brother a "chicken" and claims that it's not necessary to go to the "very end" and that just a kiss would be enough.

When the date is coming to a close, Origami accidentally shoots Shido, seemingly killing him. Except for Kotori, Reine, and Kannazuki, the crew starts panicking, but Kotori reminds them that Shido can't die just like that. Then, they watch as Shido's body is healed and he wakes up. Kotori repeats that if he dies once or twice, he can start a new game, and asks the crew to recover him. Once he's there, Kotori tells him that the AST attacked him, and Tohka subsequently has snapped. While they send him there using the <Fraxinus>, Kotori explains to him the method to save the princess. Shido dislikes the idea of falling from the <Fraxinus>, but Kotori doesn't care and asks two muscular men to throw him out.

After Tohka's powers are sealed, Kotori attends a meeting with <Ratatoskr>'s higher-ups, who are represented by stuffed animals placed on a round table. The <Ratatoskr> leaders can't believe the results and even claim that Shido could be a dangerous Spirit. However, Kotori calmly explains everything to her superiors. Then, one of the higher-ups, supposedly Elliot Woodman, congratulates her and tells her that he expects great things from her.

Yoshino Puppet

After Tohka is successfully sealed, Shido notes that Kotori has been skipping her classes, causing him to worry as her brother. Kotori returns home shortly before Shido finds Tohka in their house. While still wearing her white ribbons, Kotori welcomes her Onii-chan back home. Kotori points to the kitchen, where Reine is currently located, in order to prevent Tohka from overhearing the conversation. Then, Kotori informs Shido that Tohka will be temporarily staying in their house. As Reine informs Shido of the reasons for the decision, Kotori enters her Commander mode and tells Shido that if he doesn't do anything, the Spacequakes will continue to devastate the world.

As Shido struggles to process the information, Kotori is asked by Shido when she joined such an organization, and the reason behind his powers. Shido is told by Kotori responds that <Ratatoskr> was created to provide the Spirits with a happy life, and that she was recruited by them 5 years ago. Shido voices his disbelief, as she was only 8 at that time. Shido questions if <Ratatoskr> is responsible for her double personality, to which Kotori says that he is being rude. In response, Kotori states that <Ratatoskr> obtained a boom 5 years ago when they discovered a person who had the ability to seal the power of a Spirit. As Shido asks Kotori why he has this power, Kotori replies that they don't know for now. Shido attempts to press the matter, but he ultimately relents upon seeing Kotori's gloomy expression.

Kotori tells Shido that the goal of his training is for him to be able to converse with girls without being nervous. To that end, Kotori arranges multiple situations where Shido ends up in awkward situations with Tohka. As Shido starts to protest, Kotori introduces another penalty, publicly broadcasting an embarrassing poem that Shido had written during middle school. Eventually, Shido starts to wise up to Kotori's tactics, after she tells him the bath is ready. Knowing that Kotori couldn't resist a bath bomb, Shido offers her to take a bath first. Despite trembling and trying to resist, Kotori still offers the bath to Shido first. Shido, thinking it was safe, decides to go in the bath. However, to Shido's shock, Tohka enters soon afterwards, causing Shido to imagine Kotori wearing sunglasses while making an inappropriate laugh and saying he was such a child before sipping some whiskey.

Later that night, Reine wakes her up and tells her the preparations are complete. Using a super refreshing mental candy, she starts to wake up and puts on her black ribbons. Issuing the commands, her men enter the house and stealthily transfer Shido into Tohka's room. The next morning, Shido wakes up shocked, with his hand on Tohka's breast. Seeing this, Kotori declares another punishment and sends a recording of Shido's poem to all his friends. Despite Shido's protests, Kotori's finger mercilessly presses the send button.

As the next Spirit makes her appearance, Kotori apologizes to Shido that they didn't give him enough time, but they need his decision now. Using the Fraxinus teleporter, she transfers Shido onto the main deck of Fraxinus. Kotori notes that this Spacequake is smaller compared to usual, since it only left a crater that was about 10 meters in diameter. As they focus on a visual of the Spirit, Kotori asks Shido about the reason for his shocked expression. In response, Shido tells Kotori that he has already met this Spirit yesterday. Giving instructions, Kotori asks her crew to look up any Spirit wave readings from yesterday. Seeing the information given, she assumes that it must have been a silent entry, similar to what happened with Tohka's situation. She asks Shido why he didn't tell her this beforehand; however, Shido retorts that he didn't know she was a Spirit at the time.

At that moment, AST arrives and begins their assault. Shocked at the brutality inflicted on a little girl, Shido requests Kotori help him save her. Happy at his response, Kotori tells everyone on deck to prepare for a level one capture. Licking her lips, Kotori announces the beginning of their date (war). As Shido approaches the Spirit <Hermit>, the Fraxinus supercomputer once again offers three choices for the decision that Shido should take. As Kotori gives the command for everyone to vote, the final decision ends up being number 3: give a hard-boiled act and pretend to be a wandering passenger. Despite the ridiculousness of the choice, the decision actually gets a laugh out of the target, causing Kotori to puff up her chest in pride. However, Kotori later informs Shido that <Hermit>'s mood drastically dropped after he made a comment about ventriloquism.

As Shido asks Yoshinon out for a date, Kotori remarks that it could have been much smoother if he set up the request properly. After Tohka suddenly enters, Kotori comments on how troublesome it has become. Kotori informs Shido that like she said before, Tohka's powers will transfer back to her when her mental state becomes unstable. Therefore, she instructs Shido to fix Tohka's mood. However, Tohka and Yoshinon's argument culminates in the latter summoning <Zadkiel>. Kotori comments on the materialization of an Angel and tells Shido to run away as soon as possible. She quickly tells Shido that an Angel is the strongest shield for a Spirit, and that it was the same as Tohka's <Sandalphon>.

Much later, Kotori communicates to Shido through the intercom, she comments that even though Shido had accidentally kissed the Spirit, he likely couldn't seal her powers because she hadn't opened up to him. As Shido accidentally runs into <Hermit> again, he immediately contacts Kotori, who is still onboard <Fraxinus>. Once again, the choices dictating Shido's actions appear. This time, the crew votes on the first choice, forcing him to roll over and show that he bears no hostility. Afterwards, Kotori tells him to ask about the puppet, which greatly catches <Hermit>'s attention. As Shido helps her look for the puppet, Kotori gives the <Fraxinus> crew members the command to search for any recordings that may help them locate the puppet. After much searching, they were able to determine that Origami had the puppet in her possession. As Shido goes to Origami's place to retrieve the puppet, he suddenly finds his communication with Kotori jammed because of the security features in Origami's house.

After communications have been restored, Kotori informs him that AST is once again attacking Yoshino. After Shido is saved by Tohka's timely intervention, Kotori tells Shido to not tell Tohka any dangerous information. However, Shido continues on, informing Tohka, that Yoshino is a Spirit, just like her, and that he needs Tohka's power to help save her. Despite Tohka agreeing to help, she comments that was still careless of Shido. In response, Shido tells her to save the preaching for later, and that he also needs their strength to save Yoshino. Kotori retorts that it is their mission to save the Spirits, so they will waste any effort in helping him.

As Shido prepares to rush into Yoshino's ice barrier, Shido remarks that he wants to confirm something with Kotori. Shido asks if healing from fatal wounds is one of his abilities, recalling how his wound healed despite being fatally shot by Origami. After a moment of silence, Kotori replies that he's half wrong and half correct. Any fatal injury he receives would cause his body to ignite on fire and be revived. However, he tells Shido to stop, since it is too reckless to enter the barrier while only depending on his recovery power. She explains to Shido that the blizzard has an internal barrier within 5 meters of the outer circumference. While within it, the damage to his body would feel like consecutive rounds of shotguns, and his wounds will not heal since the barrier would freeze anything that detects Reiryoku. Despite Kotori's protests to stop, Shido continues to march forward in order to save Yoshino.

DAL Director's Cut003

Kotori worried for Shido

After Yoshino is successfully saved, Shido and the others are warped back to the deck of <Fraxinus>. Kotori entered the transporter room while breathing heavily. Yelling at Shido with tears in her eyes, she pushes her face into Shido's chest and scolds him for doing something so thoughtless and reckless. She tells him while sobbing that he needs to follow her orders, since it is safer that way. After regaining her composure, she tells everyone to follow her after undergoing a check-up.

Two days later, Kotori tells a bewildered Shido that the housing complex designed for the Spirits has finally been completed. Despite the house being built next door to their house, she tells Shido that this will also be a trial period to help Tohka live outside. Seeing Shido's expression, she teases him, asking if he wants to live with Tohka longer. As Shido quickly denies the accusation, Kotori mocks that if he wants to make a mistake, today would be the last time to do it. Shido yells that isn't the case, as Kotori remarks that he looks scary and retreats back to their house.

Kurumi Killer

Commander Mode Kotori stops Shido while he's preparing to go to school, berating her brother for not going to school with Tohka. Kotori reminds him that when more Spirits appear, he'll have less time to pay attention to her, so he should at least walk to school with her. After he agrees, Kotori gives him an intercom, to train him against Tohka's jealousy of Yoshino, and to deal with other Spirits more easily. Before leaving, she reminds him to talk to their special guest, which turns out to be Yoshino.

Through the intercom, Kotori informs him of Yoshino's progress in socializing, and that they intend to let her live outside of <Fraxinus>, in the Spirits' apartment. Seconds later, Tohka appears, and Kotori reminds Shido to talk with both of them. However, when Shido calls Yoshino cute, Kotori tells him to treat Tohka the same as Yoshino, like a normal girl. After this, they prepare to go to school, but Shido notices that Tohka isn't wearing a bra. When he asks Kotori for help, she tells him to help her wear the bra himself.

Along the way, they find a girl working with <Ratatoskr> to help with Shido's training. They bump into each other and she asks him to "take responsibility". Once she's gone, Kotori tells him to reassure Tohka by telling her something that he only cares about her. Later, at the school entrance, a girl gives Shido a love letter, and he rejects it. Kotori reveals to him that the girl was not from <Ratatoskr>'s staff, and that he succeeded by not upsetting Tohka. Kotori tells him that they had prepared a punishment for him, in case he failed: to spread some embarrassing photos of Shido's past.

During class, the new transfer student, Kurumi Tokisaki, claims to be a Spirit. Shido decides to call Kotori to inform her of this, and she tells him that she'll look into it. Once classes are over, Kotori asks Shido informs him that Kurumi is indeed a Spirit. She remarks that this is a good thing since the AST won't interfere now that Kurumi has already invited Shido. She also tells him that Kurumi is the priority now, so pleasing Tohka will have to wait.

When Kurumi asks Shido about what part of the school to visit first, the choices appear for Kotori and her crew. After an argument over the rooftop, the infirmary, and the cafeteria, they settle for the last one, based on Reine's suggestion. While Shido and Kurumi go there, Kotori tells him that two people are following them, but that <Ratatoskr> will handle that. Later, based on Kurumi's approaches toward Shido, Kotori decides that they need more info on her. At that moment, the choices appear. After a discussion with Kannazuki about panties, Kotori wonders about the third choice ("Kurumi, what kind of panties are you wearing today?"), she accidentally turns the microphone on, and Shido asks Kurumi about her panties. Kotori tells him to play it as a joke, but Kurumi is already willing to show him her panties.

When he finally asks Kurumi about the Spirit comment she made in the morning, Kotori decides not to let Kurumi take control of the situation, and so more choices appear. After dealing with Kannazuki's fetishes once again, Kotori tells Shido to go with the third option (Hey, it's this way. Naturally hold her hand). However, they are astonished when Kurumi decides to take Shido's hand, instead of the other way around.

Kotori conversing with Mana

Kotori and Mana's conversation

Later, after school, Shido and Tohka are buying things for dinner, and Kotori tries to convince him to make hamburger steak, moments before Mana Takamiya appears. Since she claimed to be Shido's real sister, Kotori asked him to take her home. There, Kotori (Commander mode) acted like an ordinary little sister and began questioning Mana about her past relationship with Shido. After talking for some time, Kotori gets furious when Mana says that she can't beat a real little sister, and so a "sisters war" unfolds. When they ask Mana about where is she staying, she drops the subject and leaves. Kotori is seen keeping the teacup that Mana had used.

On the next day, during class, Shido gets a call from Kotori, who tells him that the worst situation has happened. While they are talking, Kurumi asks him what he's doing. Hearing this, Kotori asks who it was, and she goes speechless when Shido tells her that it was Kurumi. Then, she asks him to go to the physics lab. There, Kotori and Reine want to show him something, but accidentally end up showing him the sequel to "Fall in Love, My Little Shido". After this, they show him some footage of Mana wearing the AST uniform, and Kurumi manifesting her Astral Dress. However, in the video, Mana kills Kurumi. Since there is no guarantee that Kurumi will revive next time, they have to make her fall for Shido on the next day, which happens to be a holiday for the school. Later, at home, Tohka asks Shido out on a date tomorrow, and so does Origami. Hearing this, Kotori promises to give him their full support.

On the next day, Kotori explains her strategy to Shido and scolds him for not listening. They plan to have Shido go on all three dates at once, with Shido using the Fraxinus teleporter to quickly move between each date. After giving him some advice regarding Tohka, Kotori asks Shido to bring Kurumi to a lingerie shop. Once there, Kotori tells him to choose a revealing lingerie for her. When Ai, Mai, and Mii appear, Kotori tells him to head for the date with Origami, but not without reassuring Kurumi first. 

Sometime later, Kurumi disappears while Shido is away. Reading her wavelengths, Kotori tells him to go take a look at a nearby alley. However, once he gets there, Shido panics when he sees a dead person, so Kotori asks him to calm down. She also tells him to get away when they see Kurumi in her Astral Dress approaching Shido. He manages to escape thanks to Mana, and he is teleported to the <Fraxinus>. There, he reconsiders whether the Spirits should be saved or not, but Kotori slaps and reminds him that he is the only one who can stop both Kurumi from killing and Mana's heart from withering. Later that day, on the <Fraxinus>, Reine informs Kotori that Mana's analysis is completed. It turns out that Mana is Shido's real sister, and that she belongs to DEM Industries. Kotori is also shocked to know that the source of Mana's power is a treatment taken that will significantly decrease her life span. They both decide not to tell Shido about this.

On the next day, Kotori and Mana meet in an abandoned building to discuss Shido's involvement with <Ratatoskr>. Mana criticizes Kotori that she has failed as a sister, but Kotori answers her that DEM is an evil company responsible for what happened to Mana's body. However, Mana is oblivious to Kotori's remark, and while Kotori tries to get her to join <Ratatoskr>, both their phones sound, asking them to go to Raizen High School.

DATE-A-LIVE-09

Kotori using her Angel

Later, Kurumi reveals her purpose of devouring Shido and wins against Tohka, Origami, and Mana. To carve despair into Shido's heart, she decides to strike the school with a Spacequake, to kill the students inside. However, the Spacequake gets hit by another one, and they cancel each other. The second Spacequake had been caused by another Spirit, Kotori, who looked like a demon. She tells Shido that she'll be "taking it back for a while". She summons her Angel, <Camael>, and prepares to engage in a fight against Kurumi. 

Itsuka Sister

Kotori vs kurumi

Kotori vs Kurumi

As Kotori descends down on the battlefield, Kurumi warns her not to interfere since she's just at the best part. In response, Kotori sneers that Kurumi's actions have gone overboard, so her only choice is to beg for forgiveness and accept her punishment. At that moment, a large number of the Kurumi clones leap towards to attack Kotori. However, with a single swing of her battle ax, all of the clones are soon disintegrated into ash. Afterwards, Kotori arrives between Shido and Kurumi and assumes a protective stance for Shido. She tells Shido to stay back, as he would die easily now in his current state. However, Kurumi refuses to yield and uses the First Bullet <Aleph> to accelerate her attacks. However, Kotori parries the blow and tells Kurumi that she is annoying and should retain some manners if she is a lady. In response, Kurumi sarcastically thanks Kotori for her advice and tells the Fire Spirit that she will kill her in a more elegant way. Activating <Zafkiel>, Kurumi shots out the Seventh Bullet <Zayin>, which freezes Kotori in place the moment it hits <Camael>.

As Kotori laid there helplessly frozen in time, Kurumi summons out her clones and targets Kotori with a ruthless barrage of bullets. However, flames soon appear from Kotori's body, healing her wounds and fixing her damaged Astral Dress. Seeing that Kurumi was about to resume her attack, Kotori kicked Shido out of the way and launched a second swing with <Camael> which lands a devastating burn scar on Kurumi's stomach. Kurumi angrily yells that it is not over and heals her injuries with the Fourth Bullet. Suddenly, Kotori clutches her head, as if suffering from a bad headache. In a much more aggressive manner, Kotori activates the cannon mode of her Angel and bombards Kurumi with a large inferno of flames. Despite Kurumi using her clones to provide a shield, the ensuing blast destroys a quarter of <Zafkiel> and costs Kurumi her left arm.

Kotori megiddo mode

Kotori preparing to shoot

However, Kotori tells Kurumi to pick up her weapon or else she will die. Shido interjects Kotori's words, asking if it wasn't <Ratatoskr>'s goal to resolve the conflict peacefully with the Spirits. But, Shido's words fall on deaf ears to Kotori, and she prepares to fire a second round. Shido notices that Kotori was clearly not herself, as she had a sadistic smile with cold eyes that were flashing an odd red glow As she was about to fire, Shido jumps in the way in order to protect Kurumi. After launching her attack, Kotori momentarily regains her senses and tells Shido to dodge.

After Shido wakes up on <Fraxinus>, Reine takes him to a room where Kotori was located. After a moment of silence, Shido asks Kotori what kind of person she is. Kotori responds by saying that she is of course his cute little sister. In a more serious manner, Shido then asks if Kotori is a Spirit. Kotori tells him that she is human, but the monitors classify her to be a Spirit. She is definitely a human who was born into the Itsuka family; however, she became a Spirit 5 years ago. Kotori remarks that Shido must have forgotten everything that happened five years ago, to which Shido recalls that he just had a dream about that event. As Shido asks what turned her into a Spirit, Kotori replies that she doesn't remember. When Shido questions how she could forget something this important, she responds that she doesn't want to hear it from a person who forgot his own sister became a Spirit.

Kotori talking with Shido

Kotori and Shido's conversation

Despite having already gone through mock battles, Kotori remarks that she didn't think a real fight would be that intense. When asked about the Spacequake canceling each other out, Kotori replies that it was based on Reine's calculations, but it was still a risky gamble. She then promptly kicks Shido in the stomach, scolding him for being so reckless again. Since she took back her nearly 100% of her powers, Shido no longer had his revival ability. As a result, he would have died if she hadn't changed the trajectory of her attack at the last moment. At that moment, Shido recognizes how Kotori was recruited by <Ratatoskr> and why he had his healing factor. Still, Kotori remarks that it is very suspicious that both she and Shido have holes in their memories. This causes her to wonder if someone had purposely erased their memories. When questioned about her behavior at the end of the fight, Kotori remarks that she sometimes gets destructive urges when using her powers. With her fragmented memories, she worries that she may have accidentally harmed someone 5 years ago during the great fire.

Seeing that she has fully regained her powers, Kotori tells Shido that he has to make her fall for him in order to reseal them. At that moment, Kotori starts experiencing some nausea and accidentally drops the teacup that she was drinking. She tells Shido that she is fine, but would like some time to rest. At that moment, Reine arrives and tells Shido that Kotori is at least fine for now, and that he should prepare for their date in 2 more days. Shido asks why specifically 2 days, to which Reine replies that they aren't sure if Kotori will be able to withstand the power within her for any time longer than that.

Eventually, the date is decided to take place at Ocean Park. Kotori arrives, alongside Tohka and Yoshino, who also want to have fun at a pool. Shido comments that Kotori looks cute, which causes her to accurately guess that Reine or Kannazuki told him to say that. Then, she asks him where does he thinks she's cute. Following Kannazuki's lead, Shido is forced to say that her budding breasts are irresistible, which causes Kotori's cheeks to turn crimson as she swiftly uses both her hands to cover her chest. For the next plan, they decide to have some <Fraxnius> members in disguise hit on Kotori so that Shido can save her. However, the plan fails because Kotori easily recognizes her men, and tells them to take the rest of the day off.

Seeing that Kotori wasn't enjoying the date fully, Reine has Shido take Tohka to the super water slide, knowing that Kotori would become jealous and join them. However, the unstable position of them going at the same time, causes them to fall off course and directly plummet into the pool. As Kotori's ribbons fall off during the impact, she turns away and asks Shido for her ribbon. Upon closer inspection, Shido notes that Kotori has tears in her eyes, which reminds Shido of her personality before the Spirits came into their lives. Shido asks her why she chose to wear the black ribbons today, to which Kotori remarks that the black version is her stronger self.

Reine helping Kotori

Reine helping Kotori

During lunchtime, Kotori excuses herself while heading in the direction of the washroom. As Shido follows her, he sees Reine administrating some sort of drug to her. Reine tells her that she has already given her 50 times the normal dosage, and any more can be fatal. Kotori remarks that her current self is a Spirit, so mere drugs shouldn't be able to kill her off. As she continues speaking in between her heavy panting, she begs Reine to let her continue, as she wants to have a date with Onii-chan. As she gives her thanks to Reine, the analyst officer tells Kotori that this will be the last one.

After hearing this, Shido decides to abandon the intercom and decide his own course of action for the date. Throughout the course of the date, Shido takes Kotori around the haunted house, roller coaster, and bumper cars in the amusement park. Shido remarks that it's been around 5 years since they last went to the amusement park together. Kotori remarks that she is tired, but the time they had today wasn't boring. She then realizes that it's the perfect opportunity for the kiss, but blushes and says that there are too many people present.

At that moment, Origami launches a devastating attack at Kotori with the <White Licorice> unit. Shido cries out in outrage, asking Origami if she knows what she had done. Origami merely coldly replies that she is killing Kotori. However, Kotori emerges from the rubble of Origami's attack and asks her if she really thinks that is enough to kill her. Imputing the coordinates, Origami traps Kotori within a sphere-like boundary while simultaneously attacking her with missiles. However, Kotori's flame powers easily heal her from the damage taken. At that moment, Kotori loses control of her powers again and summons her Angel <Camael> to give a brutal counterattack to Origami, breaking apart her defensive territory with a flurry of hits. Crashing down from the sky, Origami asks if she had killed her parents just like this, greatly shocking Kotori. Taking advantage of Kotori's horror, Origami uses her territory to bind Kotori's motions. However, before Origami can give the final blow, she is interrupted by Yoshino and Tohka, who manage to provide Shido the distraction needed to reseal Kotori, even though not before the two siblings openly admit how much they love each other. As they kiss, both Kotori and Shido suddenly remember what happened 5 years ago.

After the end of the amusement park battle, Reine apologizes to Shido for putting him in needless danger, since the date wasn't necessary to seal Kotori's powers, because her affection points were already maxed out the whole time. After all, Kotori loves her brother the most. As she says that, Kotori kicks Shido, who ends up burying his face in Reine's chest. The commander says that there's an error with the numbers, but Reine interrupts her, saying that such a thing is impossible. Kotori then bribes Reine with Ten "La Pucelle" limited edition cream puffs. Reine accepts and tells Shido that the numbers must have been wrong. As Shido asks if she is okay, Kotori responds that she is fine, at that there is no time for breaks. She has to record down everything they've remembered in case their memories are reset again. Kotori then asks if Shido was telling the truth when he said he loved her. Shido reveals that he does love her, but as a little sister, causing her to angrily kick him into Reine's chest. As Kotori leaves, Shido compliments her by saying the black ribbons really suit her. After a moment of surprise, she smiles, agrees, and thanks her big brother.

Yamai Tempest

Kotori is in the <Fraxinus> bridge talking with Reine about Shido's school trip, which was suddenly changed to Arubi Island. Apparently, the destination was suggested by the traveling company Cross Travel, which is affiliated with DEM Industries, the only company able to manufacture Realizers, asides from Asgard Electronics. During the days of the school trip, however, Kotori will not be in <Fraxinus>, since she has a meeting in the <Ratatoskr> Headquarters. Since Reine will attend the trip as well, there is no one capable of commanding the <Fraxinus>. Suddenly, Kannazuki starts dancing in front of Kotori, and after being insulted by Kotori, he asks to be left in charge. After some "Ignore play" and Reine's approval, Kotori agrees to Kannazuki's idea.

During the school trip, <Fraxinus> engages in a fight with the DEM airship, <Arbatel>. Kannazuki, being in command of the battle, shows his masochistic side when they get hit by the <Arbatel>. Worried, Shiizaki contacts Kotori. The commander believes that the emergency is due to Kannazuki doing something to upset Tohka, or embarrassing Shido during the trip. When Shiizaki explains that it's a battle, Kotori relaxes and tells her to be calm because Kannazuki is there with them after all.

Kotori's declaration

Kotori stating that she would kill Shido

Once the battle is over and Shido has sealed the Yamai sisters, Kotori is in the headquarters, on her way to the office of Woodman, who is the founder of <Ratatoskr>. Their discussion goes around Kotori using <Camael>, and how the round table members were shocked. However, the main issue is that Shido manifested the Angel <Sandalphon> during the battle on Arubi Island. Woodman says that if it gets worse, they'll have to deal with it appropriately. Kotori claims that if the worst case happens, she will kill Shido.

Miku Lily

As Shido arrives home late, Kotori kicks him in the stomach the moment he takes his shoes off. He explains that he was made the executive committee for the upcoming Tenou Festival. Shido notices that his sister has been acting strange ever since the school trip. Moments later, she asks him to make hamburgers for dinner. Then, she reminds him that he must take care of himself "just for Tohka's sake", and to be careful with the Spirit codenamed <Phantom> and DEM. When talking about DEM, Kotori suddenly names Mana as a reason for why they are unforgivable. Just when Shido was asking her about it, the Spacequake alarm sounds and they retreat to <Fraxinus>.

Kotori and the <Fraxinus> crew teleport him to the Tengu arena, where he asks for the Spirit's whereabouts. They then hear a song coming from the arena. Once there, Kotori informs him that it's the Spirit <Diva>, whose existence was confirmed only half a year ago. Since the data on this Spirit is equivalent to zero, Kotori tells him to be careful. However, Shido accidentally knocks on an empty can, and the sound of it draws <Diva>'s attention. As he is about to approach her, Kotori tells him to stop because the choices have appeared. On the <Fraxinus> bridge, Kotori and her crew talk about the choices. Since the third choice, "The view from below is the best", had only one voter, Kotori tells Kannazuki, whom he believes voted for it, that he'll become bait for the fishes. After telling Shido to go with the second option: "Your song------it's very beautiful". Kannazuki then clears up that he voted for option two and she apologizes to him, but due to his behavior, some guards take him out of the bridge. Nonetheless, all three choices drop <Diva>'s affection level. Kotori tells him to retreat, but <Diva>'s attacks, along with interference from DEM Wizards, force <Fraxinus> to retrieve Shido after he faints.

Kotori Thumbs Up

Kotori gives Shido a thumbs up

Afterward, Kotori confirms Shido's suspicions that Miku Izayoi is the Spirit <Diva>. As Shido asks if Kotori knows her, she tells him that she has heard her sing a couple of advertisement tunes and drama show theme songs. Kotori wonders how a Spirit can integrate herself into society so smoothly since Miku made her debut as an idol half a year ago. Kotori informs Shido that they have developed a hypothesis on why Miku's affection levels dropped so low when she saw him. It's likely that Miku prefers girls over boys. As a result, Kotori says that she has prepared a countermeasure before having Kawagoe and Mikimoto forcibly restrain Shido as they force him to crossdress. As Shido is taken away, Kotori gives a thumbs up and wishes her "Onee-chan" good luck. As Shido is finished dressing, Kotori gives him a bandage-like device that helps transform his voice.

Once again, Kotori and the <Fraxinus> crew provide support to Shido as he approaches Miku. Only this time, he is disguised as "Shiori". The first decision causes "Shiori" to ask if Miku wants to buy her underwear, which Miku plays off as a joke. As Shido questions if Miku needs to be saved, Kotori reminds him that the ideology of a Spirit is meaningless to AST, and with his powers, Miku will inevitably hurt even those close to her. However, as the conversation progresses, Shido, despite Kotori's protests, informs Miku of his ability to seal the power of Spirits. After Miku and "Shiori" agree to use the winner of the Tenou festival to decide the victor, Kotori scolds Shido for saying things like "I hate you" and "I don't approve of you" to Miku. She tells him that even if he felt that way, he shouldn't have said it out loud.

Despite this, Kotori announces that they will of course support Shido during his performance. After being told that it is a music concert, Kotori remarks that he is in luck and shows an embarrassing video of Shido playing the guitar in middle school. Kotori then proceeds to give instructions to the crew members, telling Minowa to ask professional singers for help and to choose the song and Shiizaki to send some spies into Rindouji All-Girls Private School in order to find out their performance list. As Shido is amazed by their preparation, Kotori retorts that they have no choice but to go all out since their opponent is an idol. Before continuing on, she mumbles that it did feel sort of good seeing Shido be angry at Miku.

During the day of the concert, the <Fraxinus>'s radar detects a large number of DEM Wizards being deployed. Kannazuki asks his commander if she wants them to intercept them. Kotori hesitates, as a large-scale battle would cause irreversible damage to the Tengu square down below. Luckily, the DEM Wizards are stopped by Origami, who had come equipped with the <White Licorice>. As the concert begins, Kotori attempts to sabotage Miku's performance by shutting off the lights. Kotori tells Miku to not hold it against her, as it was retribution for her trying to brainwash Shido's friends into giving up the concert. Much later, as Shido is running away from both DEM and the people Miku brainwashed with her Angel, he finds that Kotori and the <Fraxinus> crew had heard Miku's live broadcast and thus have also been brainwashed. In her hypnotized state, Kotori plans to fire the main <Fraxinus> cannon at Shido for upsetting Miku. However, before this can be done, she is swiftly knocked unconscious by Mana.

Miku Truth

Thanks to Mana and Reine, Kotori and the others in <Fraxinus> are free from Miku's control, as she personally explains to Shido once Mana gives him a new intercom. Afterward, Kotori gives a sincere apology for her earlier behavior while she was under Miku's spell. Shido then proceeds to explain the situation to her over what happened during the concert and why he is with Kurumi near a DEM building. Hearing this, Kotori voices her disapproval and starts arguing with Shido. However, he manages to convince her that this is their best chance to rescue Tohka. Kotori understands what Shido is trying to do, and tells him that <Fraxinus> will provide external support, but also warns him that communications with <Fraxnius> will likely be jammed once he enters the building. She then complains to Mana that they have such a disobedient brother.

When Jessica attacks both of them, Shido enters the DEM building alone, which causes Kotori to scold and demand he wait for Mana. However, Kotori's voice is then drowned by static as the intercom loses its signal. When Mana fights Jessica, Kotori sends several <Yggd Folium> to aid her. Later, when the Fraxinus crew members witness Origami fighting with Ellen, they decide to support the former with the <Mystletain> cannon. During the commencement of the attack, Kotori gives the cannon's manual control to Kannazuki.

After that, the Fraxinus crew members inform Kotori that Tohka's power levels are on "Category E", which means that she just inversed. When Shido confronts Inverse Tohka, Kotori advises him to do something that could make Tohka remember him. Once the problem is over, Shido leaves the matter to Kotori and Reine.

Natsumi Search

DAL v8 02

Kotori annoyed at Miku

Shortly after Miku is sealed, Kotori tries to conduct an interview with her. However, Kotori eventually gets annoyed that Miku's attention is focused on Shido. She reminds her angrily that they only brought Shido here because she refused to have an interview without him. As Miku childishly remembers, Kotori begins to ask her about the circumstances in which she became a Spirit. After hearing Miku's story, Kotori questions if Miku has had any destructive impulses afterwards, to which Miku says that she has no idea what Kotori is talking about. Since they couldn't throw away the chance that <Phantom> manipulated Miku's memories, Kotori tells her that they will have to attach electrodes to her head in order to monitor her brain wave activity, much to Miku's dismay.

After Shido and Miku leave, Kotori ponders over the information they have about <Phantom>. Seeing Miku describe a purple crystal, she wonders how many gems <Phantom> has in her possession. While deep in thought, Kotori suddenly feels a cold object touch her cheeks. As she turns around, she finds Mana handing her a cup of ice coffee. Mana tells Kotori that it is good to be dedicated, but not to overwhelm herself. Kotori asks Mana where she came from and asks her why she was not undergoing treatment in order to increase her lifespan. However, Mana tries to avoid the topic and tries to escape. At that moment, Kotori hugs her, thanking her for saving everyone while most of the <Fraxinus> crew were brainwashed. Mana returns the gratitude, telling Kotori that she is grateful that <Ratatoskr> took her in and saved her from DEM. However, Mana still rejects Kotori’s requests for treatment, telling the commander that she needs to chase after <Nightmare>, as she feels that there is no one else who can be Kurumi’s opponent other than her. As Kotori receives a call from headquarters, Mana uses that opportunity to escape. Before leaving, she tells Kotori that she will think about taking the treatment. Afterwards, Kotori picks up the call and is greatly surprised to see that it is from Karen Nora Mathers, who informs her that Woodman is in town.

As Shido makes his way to confront the Spirit <Witch>, Kotori and the Fraxinus crew once again vote on the actions that Shido takes. Kotori shoots the finished Chupa chups towards Kannazuki's eyes when he reveals his perverted reasons for voting on the third option: lick her on the other side of the knee. After deliberating, Kotori informs Shido that it is option 2, so he has to moisten his eyes as much as possible while looking at her with upturned eyes. Despite the conversation initially progressing smoothly, things take a turn for the worse when a stray missile lands next to them. Kotori informs him that Natsumi’s mood has just drastically dropped. Thinking that Shido has seen her secret, Natsumi flies away while swearing revenge.

Later, Kotori is among the 12 photos of suspects that Natsumi sends to Shido. As a result, <Fraxinus> decides to conduct a separate investigation date with each suspect in order to try to determine which one is Natsumi in disguise. Reine takes over as the person in charge of overseeing the dates since Kotori is also a suspect of potentially being Natsumi in disguise. Kotori's date ends up being scheduled as the first one on the second day. During Kotori's date, the two meet up at a park bench. However, Shido finds it difficult to talk, since he is worried about Yuzuru, who had been captured by Natsumi's <Haniel> last night. Seeing Shido's mood go down, Kotori slaps him on the head and tells him that being depressed won't bring Yuzuru back. As Shido starts to cheer up, Kotori tells him that it is still an investigation, so he has to ask her questions. Shido asks Kotori about the place they went for a date last June. However, Kotori remarks that is too simplistic, as Natsumi could have easily found that out. In response, Shido takes the time to remove Kotori's black ribbons, reverting her to her timid personality as she begs Shido to give her ribbons back. Shido remarks that it's definitely the real Kotori before being punched by her after she has snatched back her ribbons.

DAL v8 c04

Kotori as one of the final suspects

Kotori is later among the last four suspects remaining on the last day of Natsumi's game. Natsumi's Angel, <Haniel>, appears and tells them that they will all start disappearing by the hour unless Shido names the correct person. Kotori theorizes that Natsumi might have disguised herself as one of the first few people that she captured in order to lower suspicions. However, declaring Yuzuru, the first person captured, as the culprit only leads to Origami being taken as well. As Natsumi raises the speed of the countdown, Kotori, in her haste, says that Tohka is the culprit. The incorrect answer leads to Kaguya being taken. However, with the hints given, Shido is able to correctly deduce Natsumi's disguise as Yoshino's puppet, Yoshinon. After giving the correct answer, Natsumi's Angel releases her prisoners and also undoes her transformation. Angry at having her true form seen, Natsumi turns Kotori and the others into children in order to spite Shido before flying away.

Natsumi Change

Kotori is among the group turned into children by Natsumi and is temporarily placed in the Itsuka residence. Collectively, Shido struggles to keep everything in order throughout the chaos. In particular, Kotori is chasing after both Yuzuru and Kaguya, who had stolen her Chupa Chups. So afterward, Reine arrives to help restore order. She disciplines both Kaguya and Yuzuru by telling them that they wouldn't like it if someone else stole their candy. As a result, the twins apologize to Kotori, who in turn also apologizes for not sharing. The next morning, during breakfast, Miku asks Shido to feed her. Seeing Shido doing so causes Kotori to get jealous. Noticing this, Shido also hands Kotori a piece of toast. Despite protesting that she is not a child anymore, she still grumbles down the toast while averting her eyes.

A few days later, Natsumi uses <Haniel> and transforms the Itsuka residence into a zoo, with Kotori being dressed as a cat. Finally able to detect Natsumi's spirit wave energy, the group proceeds to follow her, which ultimately leads them to save her from Ellen. Incidentally, the damages that Natsumi took from Ellen also reversed Kotori and the others' transformation. After Natsumi wakes up, Kotori brings Shido to the quarantined area where Natsumi is resting. Before Shido enters, Kotori advises him to be careful, since, despite not being able to use her Angel, Natsumi's impression of Shido is at the lowest value. After Shido leaves the room with a large scratch mark, Kotori remarks that is why she told Shido to be careful, pointing out a similar scratch that she has.

Kotori remarks that they need to first help Natsumi overcome her negative personality because her lack of confidence in her real appearance would cause her powers to flow back to her, even if they manage to seal her. Furthermore, Kotori states that they have a two day time limit before Natsumi can easily escape by regaining usage of her Angel. The next day, on Kotori's orders, Shido, Tohka, and Yoshino carry Natsumi away in a sack. As Natsumi's eyes adjust to the light, she finds herself next to a beauty salon and wonders if they only took her there to mock her. In response, Kotori delivers a karate chop on her head and tells her that they are going to fix both her appearance and negative persecution complex. Following Kotori's orders, they soon move to choose a new selection of clothes for Natsumi. Next, they try to see if Natsumi could start a conversation with someone else. After Tonomachi fails, Kotori sends Kannazuki as the next person. However, that eventually fails as well, since Natsumi's gloomy attitude misinterprets what Kannazuki is saying and ends up punching him in the cheek.

However, Natsumi ends up fleeing due to being unable to handle all of the positive compliments given to her. Kotori and the crew use the observation installed in the <Fraxinus> at full strength, to chase after Natsumi's disappeared reading. At that moment, the ship detects what appears to be an artificial satellite falling down towards the city. Mikimoto informs her that there are Maryoku readings detected, causing Kotori to realize that the satellite is equipped with explosives made by a Realizer. Kotori contacts Shido and informs him that they will attempt to destroy the satellite with the main <Fraxinus> cannon. However, Shido refuses to evacuate, since he hasn't found Natsumi yet. Giving out a sigh, Kotori gives in but tells Shido that his time limit is until they finish preparing their intercept attack.

DAL v9 c03

Kotori preparing to fire <Gungnir>

Kotori gives instructions to move towards a location where they can pick up Shido before destroying the satellite. However, the increased descent of the satellite forces them to change their plans. Kotori contacts Shido and tells him to instead go to the nearby shelter, as they won't have enough time to pick him up. Kotori gives the signal to fire <Fraxinus>'s <Mystletainn>. However, the attack is blocked by the Territory generated by an enemy ship that has <Bandersnatch> units surrounding the satellite.

Seeing that there is no other choice, Kotori opts to use their last resort trump card: <Gungnir>, a devastating attack that combines both her Spirit powers with the main <Fraxinus> cannon. Using <Gungnir> completely annihilates the artificial satellite; however, much to everyone's horror, they discover that a second satellite is making its way towards them. Kotori tells them to prepare a second volley, but her crew informs her that is impossible since it would prove too much of a burden to both her and the ship. As Kotori struggles to stay conscious, she is found by Tohka and the others. Unable to do much else, Kotori begs them to help Shido, who is still at ground zero for the attack.

Tobiichi Angel

As Shido is woken up by Natsumi in her adult form, Kotori enters the room moments later, and both Spirits start arguing over who is more scrawny. At one point, Natsumi starts to cry, forcing Kotori to apologize by saying that she is more of a midget than Natsumi. With victory in Natsumi's hands, she starts to laugh at Kotori's confession, causing an angry Kotori to chase after Natsumi, who had run away,

While at school, Kotori receives a call from the <Fraxinus> informing her that Shido is missing. Kotori suspects he was kidnapped by DEM, and asks about the other girls. Despite them being stable for now, they still have to find Shido no matter what. Kotori leaves school early, telling her friends she feels sick, and goes to the <Fraxinus>.

DAL v10 06

Kotori conversing with Ellen

After that, the Spacequake alarm sounds, and Kotori and Reine suspect that it is to keep people away from something. In fact, the cameras show them that Origami was fighting against Tohka, the Yamai sisters, and Miku while wearing a new and more powerful CR-Unit. When they decide to retrieve the girls, the crew members are attacked by another airship, which they find out is Ellen Mather's <Goetia> when they receive a transmission from her. Ellen greets Kotori, claiming that her looks and age have nothing to do with her abilities. She also requests all the <Fraxinus> members to leave within 3 minutes, and those who survive to send Elliot Woodman a message that she's coming for him. Kotori tells the crew that they can leave if they want because their enemy is humanity's strongest Wizard. After the whole crew refuses to leave, <Fraxinus> and <Goetia> engage in a fight. Ellen seemed to have the upper hand throughout the whole battle until they fire <Mystletainn> at <Goetia>. However, after thinking they had won, <Goetia> appears again on the monitor and fires its cannon at <Fraxinus>.

After Origami becomes a Spirit, Kotori calls Shido as the girls are treating the wounds they got from their fight with Origami. Kotori updates Shido on her situation. Apparently, <Fraxinus> was severely damaged from losing to DEM's <Goetia>, which forced the <Ratatoskr> members to retreat to their underground facility. Then, Shido explains to her that Origami became a Spirit, probably due to <Phantom>. Kotori tells Shido to get ready to conquer Origami, and she prepares to send someone from <Ratatoskr> to pick them up.

While they are talking, suddenly, something incredibly powerful appears. Kotori confirms that it is Origami, who had become an Inverse Type Spirit. Shido and the girls try to get to her, and after a while, the damaged <Fraxinus> appears to back them up, with Kotori talking through the outer speaker. But Origami's Demon King, <Satan>, attacks it and destroys the ship. <Fraxinus>, already damaged from the battle with Ellen, goes up in flames and crashes to the ground.

Tobiichi Devil

In the new timeline, Kotori is sitting in the living room when Shido suddenly enters the room energetically. Kotori is confused when her brother worriedly asks if she is okay. When she doesn't answer, Shido asks the date for that day, to which Kotori replies that it's November 8th. Without warning, Shido suddenly hugs Kotori while expressing relief that she is okay. Kotori, shocked by his sudden action, kicks him in the stomach, causing Shido to fall down. Kotori is frightened at his brother's behavior and asks if he is delusional. Shido apologizes to her and offers to make breakfast for her.

At the Itsuka residence, Kotori notes the drastic drop in Shido’s energy, which causes Yoshino to worry about why Shido is being so listless. Natsumi states that it's obviously got something to do with women, which alarms both Kotori and Yoshino. Natsumi concludes that high school boys' problems all boil down to women but then goes on vividly describing a series of bullying incidents in schools. The girls decide to cheer up Shido by appealing to him through using their feminine charms. Natsumi says she can still use some of her transformation powers, but Kotori warns that if they were changed into little kids again, it would only increase Shido's load as he turns into his male nurse mode. Natsumi says that this time it will be the opposite.

DAL v11 c03

Kotori getting angry at Natsumi

While preparing dinner, Shido almost cuts his finger as he's distracted by thoughts about Origami. Kotori and Yoshino come to help, but Shido drops the knife when he turns around to see his sister and the timid Spirit have both grown up to his age and are dressed in suggestive clothing. The two girls grab Shido's arms, but he notes that even though they have both grown, Kotori still looks rather scrawny. Shido realizes this has been caused by Natsumi and tells her to show herself. Natsumi comes out of hiding from behind the sofa, but while she's also grown, she's dressed in a plain maid dress instead of Kotori and Yoshino's revealing clothing. Kotori starts arguing with Natsumi about how they have all agreed to wear swimsuits with aprons. Kotori tries to take off Natsumi's maid dress, causing the two to end up running around in the living room. Shido attempts to put a stop to the childishness, but everyone ends up falling and crashing due to gravitational acceleration, which in turn causes all the girls' outfits to start to fall apart.

The girls apologize to Shido, and he thanks them for worrying about him and reassures that he's alright. Kotori says they can't be always so relaxed because there are still unknown Spirits, Kurumi and, <Devil>. Shido is surprised to hear about <Devil>, especially since she's supposed to be just as dangerous as Kurumi. Kotori explains that Devil is a Spirit hunter who never appears alone but will always show up when another Spirit appears and attacks that Spirit. She says that they have suspected AST and DEM to be linked to the Spirit, but that doesn't seem to be the case as both AST and DEM attack <Devil> as well. Shido asks Kotori if he could see video footage or pictures of <Devil>, Kotori says there isn't much point but shows him a video. Shido quickly understands why Kotori would say there is no point as <Devil> is clad in darkness and is difficult to ascertain her appearance. However, Shido immediately recognizes the black silhouette as none other than the Inverse Spirit Origami.

After Origami appears as a new transfer student, Shido immediately contacts Kotori and informs her that <Devil> had transferred into his class. Voicing her disbelief, Kotori reminds Shido that <Devil> is an unidentified Spirit and asked him how he can be so certain. Shido tells her to trust him and that he will explain the details after he gets back home. Despite having no proof, Kotori agrees to send a unit to investigate, but warns Shido that he won’t get off easily if he’s making <Ratatoskr> investigate and get information about a girl he likes. As Kotori asks for the person’s name, she is surprised to hear that it is Origami Tobiichi. She informs Shido that Origami use to be part of AST, but resigned shortly as <Devil> began appearing.

After the confrontation on the rooftop, Kotori and Reine discuss about Origami, or rather Shido informs them about the events in the original world and how he changed the past. Reine shows Shido a picture of Origami using <Satan> on the rooftop, while Kotori explains that Origami herself is not aware of the fact that she is a Spirit. Reine's analysis indicates Origami wasn't lying about not knowing either. Shido wonders how something like that is possible, which prompts Reine to put forward her theory. Reine says there are probably some sorts of conditions regarding the memories of the original world. Kurumi retains her memories due to her time-control abilities, though Reine is not sure how Shido manages to do the same. Shido thinks it's likely because he's the person who changed the world, but it's also true that he doesn't have memories of this world. Reine says the conditions may be being shot by Kurumi's Twelfth Bullet or having spiritual powers. Kotori adds that it's possible Origami gains memories of the original world when she receives powers from Phantom. Shido asks Reine if she's saying that the Inverse Origami is the Origami who has regained memories of the original world. Reine replies that it's just a theory, but it would seem to be a logical conclusion.

Shido says the Origami who came to school is definitely the Origami with memories of this world. Reine says Shido is unique in that he has retained memories of the original world from the beginning, while Origami just has memories of the new world. As a defense mechanism against the memories of the original world being fed into the new Origami, she's separated herself from the Origami with memories of the original world. Kotori and Reine conclude that the trigger that sets off the old Origami is the existence of Spirits. Since she didn't react to Tohka at school, Origami most likely responds to spiritual power. Kotori tells Shido that Origami is an irregular case but there's only one thing <Ratatoskr> can do: date her and make her fall in love. Kotori asks her brother to get in touch with Origami and ask her out on a date. Shido says he's already planned a date on Saturday with her, which sends Kotori into deep shock. Kotori says she will have to hear more about the relationship between Shido and Origami from the original world.

On the day of the date, November 11th, Kotori asks Shido why he's going so early to the date and gets mad when he seems to know a lot about Origami. He stops when he sees that Origami is already waiting for him and is mesmerized by her choice of clothing, which is decidedly a lot more girly than what Shido remembers Origami would wear. Kotori snaps him out of it and tells him to focus as they are dealing with a girl who can turn into one of the most dangerous Spirits. As the date progresses, Kotori and the others are shocked by the choices that the <Fraxinus> AI decides to pick, which are even more bizarre and perverse than usual.

As the date nears its end, Kotori tells Shido that things are going well and that it feels he just needs a little more push to seal Origami. Reine tells him that Origami is feeling anxious about whether Shido would accept her or not due to her weird behaviors during their date. Kotori asks Shido to rid Origami of her anxiety and seize the opportunity to seal <Devil> today. The <Fraxinus> crew tells Shido that Origami's affection point has increased rapidly and reached the maximum. Kotori tells Shido to finish it off right there right now, but he's distracted by Origami who asks him to look at a shooting star.

She tells him to make a wish, and Shido does so by wishing to successfully seal Origami and for her to get along with Tohka and the others. At that moment, the balustrade Origami is leaning on collapses, having deteriorated over time, and she falls off the platform. Luckily, Shido is holding her hand and is able to pull her back up at the cost of injuring his left arm. Kotori tells Shido that it's the perfect time to kiss and seal Origami. Just as Shido is about to kiss her, he notices something changing in her. Origami's eyes are fixated on his injured left hand, which is being healed thanks to Kotori's power. Suddenly, the siren goes off and Kotori shouts at Shido to get away.

Shido tries to get close to Origami, but he's blown away by her Reiryoku each time. Kotori asks Shido what he's doing and informs him that Origami probably won't revert back to her human form unless Shido is dead. The <Fraxinus> restrains Origami using the Yggd Folium system and Kotori attempts to attack her with the ship's main cannon. But before Kotori can finish giving her order, Origami's cannons surround the Fraxinus, and the white airship is pierced by rays of black light. Witnessing Fraxinus falling down again sends a chill down Shido's spine, as it reminds him of what happened during the original timeline.

Itsuka Disaster

Due to the damages sustained to <Fraxinus>, Kotori and the other crew members are temporarily stationed at an underground base owed by <Ratatoskr>. Here, she contemplates the new information that Shido and Origami have recently told her about <Phantom>. At the very least, she now has a lead: <Phantom> is a young girl and has a goal. As she wonders about <Phantom> and her mysterious goal, Reine shows her a graph for everyone’s Reiha readings and points at one line that is rising astronomically. Kotori wonders if it is Origami, Tohka, or even herself; however, Reine informs her that it is not one of the Spirits, but instead, it is Shido.

After Shido collapses, Kotori enters a discussion with <Ratatoskr>’s heads, who are worried about the worst-case scenario happening. The one with the ugly cat icon tells everyone to calm down because they had already prepared <Dáinsleif> for this scenario. As the one with the detonator, they inform Kotori that it is up to her to pull the trigger when the need for disposal arises. Kotori frowns and makes a hateful expression when she hears those. However, the person with the squirrel icon, Elliot Woodman, informs her that her role is not to give judgment when the time comes, but instead diligently work to prevent it from happening when it arises. In response to hearing this, Kotori fixes up her posture and gives a formal salute.

Kotori arrives just as the other Spirits are discussing Shido’s condition. She notes that Miku isn’t here, but they will have to start without her. At that moment, Miku comes rushing in and suddenly hugs Kotori. Miku notes that Darling’s skin has become smoother, almost as if she had turned into Kotori. Kotori angrily rebukes that it is her and pushes Miku away. afterward, Reine draws everyone else’s attention and describes the current situation with Shido. The current flow of Reiryoku between each Spirit has become cut off and is causing an overheat in Shido's body. In order to re-establish the flow, they each have to kiss Shido. However, as they arrive at his hospital room, they find that Shido has already left. 

After finally finding Shido, Kotori and the others are shocked by his new flirtatious personality, more so by how he is easily using all of their powers. Kotori demands that Shido come with them since it is an emergency, but Shido refuses. As she gives the order for Kaguya and Yuzuru to grab him, Shido easily avoids them by using Natsumi’s power to transform him, and his surroundings into “Shiori”. Floating in the air, Shido tells them that for once, he would like them to try and capture him instead. As a result, Kotori and <Ratatoskr> are forced to make individual plans for each Spirit in order to try and make Shido’s heart race. However, during Yoshino’s date, DEM sends a swarm of <Bandersnatch> units to capture him, which Shido easily takes care of by using his newfound powers. Afterward, Reine remarks that she has a countermeasure for DEM, although she doesn't want to use it if possible.

DAL v12 08

Kotori dancing with Shido

During her own date, Kotori takes Shido out for a dance, which surprises Shido since he didn’t know she could take the lead in a dance. Shido teases her for trying to act as an adult while still being a child. He then offers Kotori an adult kiss, which causes Kotori to become flustered. However, the plan works as she successfully raises Shido’s heartbeat to a rate where he is captured. However, things take a turn for the worse during Shido’s date with Tohka, as he suddenly loses his powers and destroys the upper roof of the <Ratatoskr> facility. As Kotori and the others start to get up from the rubble, they are quickly contacted by Mana, who asks them to save Shido while she distracts DEM. Kotori thinks to herself that Mana must have been Reine's emergency plan, and yells at Mana for staying in contact with Reine, but not her. Before Kotori can say anything more, she is interrupted by the sound of an alarm, a dreadful sound that she was told it was better if she never heard it again during practice. Suddenly, Kotori tells everyone that she will handle the situation alone, despite everyone else’s protest.

Kotori then proceeds to walk outside and pulls out a device from her pocket. As she enters the retina and fingerprint scan, she suddenly finds a gun pointed at her temple. Behind her, Origami asks her what she is doing. Kotori replies with tears that this is not the case, as they did want to use Shido, but by the time <Ratatoskr> found him, he had already sealed her powers. Presently, Shido is a walking time bomb unless they can get him to seal all the Spirits and extract his powers in the form of a new Sephira Crystal. At his present state, Shido could cause a Spacequake as large as the one that hit Eurasia 30 years ago. Knowing that Shido wouldn’t want to be the cause of so many deaths, Kotori steels herself to press the trigger. However, the other Spirits arrive and state that Kotori is only giving up because she thinks that she is alone and convince her to not give up.

At that moment, <Dáinsleif> starts activating anyway. Origami asks if it was because Kotori had just dropped the launch control. However, Kotori replies that the trigger control device wasn’t created so that it could be easily tampered with. However, instead of being destroyed by the beam of light, Shido is saved by <Phantom>'s timely intervention. While all the other Spirits stare at the mosaic being, Kotori thinks to herself that she is the reason Shido is in so much peril right now, as <Phantom> giving her the Sephira Crystal was the catalyst for everything that followed afterward. <Phantom> remarks that she could understand Kotori’s painful determination, but she would be troubled if Shido didn't continue living.

As Kotori questions who <Phantom> is, the unknown entity merely states that she has given them a chance to save Shido, and wishes them luck before leaving. After the first group has successfully kissed Shido, Kotori and Origami assume their Limited Astral Dresses, and prepare for battle. Origami uses her teleportation ability to get close enough to kiss Shido. Immediately afterward, she teleports herself out of the way in order to provide an opportunity for Kotori to get close to Shido. As Kotori is struck by Shido’s <Sandalphon>, Origami calls out her name. However, Kotori assures her that she is fine because of her regeneration ability. However, Kotori still receives a hefty amount of pain from the injury, but she accepts that pain as atonement for carrying the weapon that was going to be used to kill Shido. As she kisses Shido, she tells him that she will be waiting later for an adult kiss.

As Shido wakes up, he is greeted by Kotori, who breaks down in tears over her guilt revolving around the <Dáinsleif> situation. However, Shido tells Kotori it's fine, as it was good to be prepared with countermeasures in case he ever went berserk. He tells Kotori that it is painful to see her cry, and given the chance he would still do everything that he did 5 years ago again. As Kotori starts to wipe away her tears, she leaves to grab everyone else. Before she leaves, Kotori tells Shido to thank Tohka, as she took the most amount of damage in order to save him. After gathering everyone over, Kotori and the others walk in on Tohka kissing Shido. Kotori shouts at Shido over what happened, as she only left for a few minutes.

Nia Creation

During Shido’s last check-up, he is greeted by Kotori, who he feels has been becoming more distant after the <Dáinsleif> incident. Suddenly, Shido runs and hugs her, telling Kotori that "Onii-chan is lonely". As Kotori soon kicks him away, Shido remarks that he is happy that she is acting normal, which in turn causes Kotori to blush. A few minutes later, Shido is tasked with delivering the groceries that Kotori requested from Shiizaki. However, as Shido opens the door, he finds Kotori trying to remove the undergarments of a patient. Seeing that Shido is misreading the situation, she tells him that it isn’t like that. They are merely trying to get Mana to accept her medical treatment. As Mana says it’s no problem, Kotori starts scolding Mana while crying herself; telling the Wizard that she doesn’t care if her reckless behavior is putting her already shortened lifespan at risk. Nodding her head, Mana softly tells Kotori not to worry so much. Kotori retorts that she has never seen anyone as reckless as Mana and Shido. Grabbing Mana’s arm, she tells her that they will force her to take the proper treatment and examine places even she didn’t know.

After Shido’s encounter with Nia, Kotori remarks how terrifying Nia’s Angel is, as it can be used to reveal even the most well-hidden of secrets. Kotori briefly thinks about using the Angel to find out more about Shido’s past and <Phantom>, but they ultimately decide against it because of not wanting Nia to think that there's an ulterior motive for helping her. During the scheduled date, Kotori tells Shido how smoothly it is going compared to the others. However, during the date, Kotori is informed that Nia’s affection level has stayed constant throughout the date. After hearing that Nia can only love 2D, Kotori devises a plan where Shido will cosplay as Nia’s favorite character, Tokiya. However, Shido acting out of character for Tokiya only serves to drive Nia away from Shido

After the failure of the cosplay plan, Kotori and Fraxinus decide to send Nia a visual novel game while synchronizing the game avatar’s voice with Shido. Once again, the plan progresses smoothly at first, but it only serves to make Nia angrier after she accidentally finds out the truth using <Rasiel>. Seeing that they are dealing with a type that they have never handled before, Kotori recruits the other Spirits to help win over Nia. As Tohka asks why Nia can only love 2D, Kotori remarks they will try to investigate the reason. Following Origami’s suggestion, they decide to create a manga telling Shido’s story, and how he has helped the Spirits before. However, Nia quickly intervenes by using <Rasiel> to hack into <Ratatoskr>'s communication line. She tells them that even if they make the manga, there is no guarantee that she will read it, especially to people who have insulted her Tokiya. Seeing Nia’s point, Kotori refutes that there is a decisive way to determine if their work is good, and challenges Nia to a sales competition at Comico in three days.

DAL v13 06

Kotori shocked at Origami's drawing

Soon after making the bold challenge, Kotori arranges a room where they can draw the illustration. She tells them that <Ratatoskr> can help with the arrangements with a booth and the copying. However, the main artwork must be done by themselves. As a result, everyone submits drawings of Shido in order to see who the main artist will be. Kotori’s drawing was nice, but it was rejected because it was something on the level of a middle school student. Kotori then lets out a shriek when she sees Origami's inappropriate drawing. She tells Origami, that the artwork is good, so she is in the running for main artist, but they can't use this type of artwork because they are selling in the all-ages booth. Eventually, Natsumi is chosen to be the main artist with Shido, Origami, and the Yamai sisters as her assistants.

As they were busy working on the manga, Kotori enters the room to provide refreshments. She pulls Shido aside and tells him that they have found something interesting related to Nia. As they drive to a nearby café, she tells him that they are here to meet Takajo-sensei, a fellow manga artist who was once Nia's friend. After lying that they were relatives of Nia, Takajo tells them that she must have done something to anger Nia, as she one day completely cut off contact with her. After thanking Takajo for her information, Kotori remarks that Nia must have used <Rasiel> to investigate those around her, and that knowledge is the reason why Nia likely distrusts humans.

DAL v13 c04

Kotori helping sell the Doujin

On the day of the sales competition, Kotori and the others reveal that they have made bunny suits in order to help promote their work. Additionally, Kotori hires some <Ratatoskr> employees to strengthen their line. In the end, they end up tying with Nia in terms of sales. Kotori is present outside as one of the Spirits celebrating when Nia says that she will give Shido a second chance. However, things take a turn for the worse when Nia suddenly begins inversing. As they start combating the monsters that Nia summoned through <Beelzebub>, Kotori is rendered immobile after Nia uses her Demon King to restrict everyone’s movements. Like everyone else, she is shocked at how Westcott is able to steal Nia’s Demon King.

After DEM left, Kotori quickly called for an emergency vehicle to help transfer Nia to a hospital. Afterward, she tells everyone waiting that Nia has finished undergoing surgery with the medical Realizer. She then accompanied everyone else outside to see the first sunrise of the New Year. After Nia asks everyone when they became Spirits, she tells her that she became one five years ago, for Miku it has been about one year ago, and it has only been recently for Origami. Everyone else are all pure Spirits. Nia gives a puzzled expression when she hears that, responding in a questioning tone by saying that every Spirit used to be human, greatly shocking Kotori and the others.

Mukuro Planet

Shortly after Nia's bold declaration, she quickly tries to pass it off as a joke. However, she then privately invites Shido and Kotori to her room. They are then joined by Origami and Mana. The former found the conversation suspicious, and the latter wanted to talk to Shido. Before Nia could start explaining, Kotori got into an argument with Mana after Nia gave Kotori the title of Imouto #1. After things start to settle down, Nia explains her past and how she appeared in this world with no memories except for how to use her Angel. Through <Rasiel>, she was able to use to discover her past as a human before she became a Spirit. Kotori questions if <Phantom> was the person who turned her into a Spirit, but Nia replies that she isn't sure because <Rasiel> wasn't able to decipher the information about that person.

Nevertheless, Kotori acknowledges that the information that Nia provided is of great use. She remarks that they should probably check records to see if there are any lost children 30 years ago. Afterward, Kotori informs Nia that her current condition requires a lot of rest, and tells everyone to leave the room to allow Nia to sleep. As they are leaving, Mana remembers to ask Shido about Mio. However, hearing that name causes Shido to experience severe headaches, which ultimately makes him collapse, much to Kotori's consternation.

Three days later, Kotori accompanies Shido and the others in visiting the Shinto Shrine for the first time in the New Year. As Shido and his group finish praying, Kotori invites them to write their wishes on wishing plaques. After Miku arrives, Kotori and Tohka scold her for her eccentric behavior, with Kotori stating that she still has a reputation as an idol to maintain. However, the ensuing struggle with Miku causes the table next to them to stumble, pushing Shido onto Tohka. Miku apologizes for her actions, but the diva states that she will next time fall on top of Kotori, causing the Ratatoskr commander to remain speechless at the idol's provocative words. Afterward, she and Shido see that Nia is still exhausted, and tell her to not push herself. Then, Shido remembers the information that Nia had given them about all the Spirit being former humans and asks Kotori how the ongoing search was progressing. Kotori replies that Ratatoskr carried out a few investigations but was unable to verify anything.

As they start reminiscing about the events that happened three days ago, Kotori tells Shido that she was very surprised when he suddenly collapsed. She then asks him if he remembers anything about Mio, to which Shido replies that he did perceive a sense of familiarity when he heard Mio’s name, but nothing comes up right now. Seeing that Kotori is getting worried, Shido promises that he won't go anywhere and will always be her older brother. Kotori quickly denies ever asking something like that, and they resume writing their wishing plaques. The next day, Kotori contacts Shido after the meteor landed outside his classroom. Confused at why Shido was saying that Tamae-Sensei signed a contract with a devil, she quickly informs him that a new Spirit has appeared.

As Shido arrives at the Ratatoskr base, Kotori points out a graph that shows that the same artillery was dropped on 42 different locations in the world at the same time. Thinking that seeing would be faster than explaining, she shows Shido a video that they received from a Realizer. She states that the new Spirit, which they decided to codename <Zodiac> was likely found in space by DEM through Westcott's <Beelzebub>. They sent an armada of ships to capture her, but <Zodiac> effortlessly repelled them by using her Angel <Michael>. Kotori remarks that the meteors dropped today were likely sent by <Zodiac> in retaliation for disturbing her rest. As Shido questions how he can approach a Spirit in space, Kotori scolds her brother for his blockheadness and reminds him how they managed to capture the video in the first place.

Using a Realizer they project a 3D image of Shido in order to be able to converse with <Zodiac>. As Shido approaches the new Spirit, he finds himself being attacked unconditionally. Kotori tells him to calm down, as he won't die from a hologram and remarks that <Zodiac> is likely being defensive due to DEM's recent attack. After <Zodiac> identifies herself as Mukuro Hoshimiya, the Fraxinus crew once again commands Shido to give the most embarrassing and outlandish option possible. Much to their surprise, Shido's action of declaring her to be his slave doesn't trigger even the slightest change in Mukuro's emotional readings. As Mukuro rebukes Shido's motives and ability to help her, she uses her Angel to lock the Realizer, ending the transmission.

Afterward, Kotori tries to raise his confidence, reminding him how the Spirits he has already saved are grateful for his actions, and DEM will continue to attack Mukuro regardless of their actions. At that moment, the other Spirits suddenly crash out of their hiding spot, revealing that they were eavesdropping on the conversation. Origami comments that they arrived halfway through the conversation, but there must be something that they can do together. However, the question is raised on how they are going to approach Mukuro when she is in space. Kotori quickly remembers something and decides to take everyone into a secret Ratatoskr base.

Upon arriving, she informs Shido and the others that the location where they have arrived is classified, but tells them that it is known to be Ratatoskr’s technological center. Here, she unveils the new Fraxinus EX, which has been upgraded because of the previous Fraxinus' losses against Ellen's <Goetia> and inverse Origami. She also tells Shido that there is someone looking forward to seeing him. After being teleported into the ship, she introduces everyone to MARIA, the Fraxinus's AI, which has been upgraded to be able to communicate directly to the crew. She then gives MARIA an hour to prepare the ship for takeoff, which causes MARIA to remark that she is as merciless as ever and would pity Kotori's future husband. In response, Kotori tells MARIA that its jokes are as disappointing as ever and that they would resume maintenance after this battle is over, As Kotori gives out her commands, MARIA then informs Kotori that Woodman would like to speak with them.

As they are walking towards Woodman's study, Shido notices that Kotori is acting unusually professional. When asked about her behavior, she informs everyone that Woodman-sama is the chairperson of Ratatoskr’s board of directors and the organization's founder; without him, Ratatoskr wouldn't exist. As they enter the room, Kotori is shocked that Tohka and Shido have already met Woodman before. Upon hearing that Woodman had already visited Tengu City, she scolds him on his recklessness, as something could have happened to him. Upon hearing Woodman mention the <Dáinsleif> incident, Kotori's eyebrows briefly twitched for a second, as she remembers the device that they gave her in case Shido ever went out of control. Then, upon Shido's, Nia's and Origami's questions, Woodman reveals the reasons for founding Ratatoskr. He was once a member of DEM alongside Westcott, but so quickly changed his mind after falling in love with the First Spirit.

However, the quiet conversation is interrupted by DEM, who had found their location from <Beelzebub> and began their attack. As Kotori asks Woodman for his orders, he tells her and the others to hurry and start the operation to save <Zodiac>. Meanwhile, he will take an alternative route with Karen. As they make their way for the Fraxinus EX, Kotori and the others accidentally run into Westcott in the process. Despite their best efforts in fighting back, Westcott uses <Beelzebub>'s ability <Ashufiriya> to transport everyone into a world of fantasy, as they are all swallowed into the respective books that emerge beneath their feet.

DAL v14 09

Kotori as The Little Match Girl

After arriving in the fantasy world, Kotori was slowly starting to freeze to death. Luckily, the Yamai sisters stumble upon her and manage to wake her up by pretending that Shido is groping her, causing her to wake up in embarrassment. However, Kotori is still to weak from the cold, so they all decide to warm up using Kotori's matches. However, upon creating a fire, the flames invoke illusory images of food and Shido, much to the twins' shock. Kotori notes that the power of the matches must have to do with her appearance being similar to The Little Match Girl, and briefly summarizes the fairy tale for the Yamai sisters. As their stomachs start to rumble, Kaguya tells Yuzuru to grab the basket containing cakes and other sugary pastries. As Kotori questions where they obtained such treats, Kaguya explains that they woke up in the middle of a black forest and encountered a house made of candy. Upon hearing their story and seeing the twins' appearance, Kotori summarizes that their fairy tale must be based on Hansel and Gretel.

As they start to eat the sugary delight, Kotori comments that she wishes she had a lollipop, but as Kotori soon states that she shouldn't ask for extravagant items, the flames start to conjure up an illusory lollipop. Afterward, Kotori thanks the twins for saving them. As they question their next course of action, Kotori tells them that their current plan should be to rendezvous with everyone else first before they come up with a strategy to escape from this world. As they are discussing, a merchant passes by and talks about a mermaid, which keeps singing Darling, being brought to the royal palace, raising. After a few minutes of staring at each other with deadpan faces, Yuzuru notes that this mermaid sounds familiar.

The Yamai twins and Kotori are reunited with Shido's group at the main entrance to the palace. They explain to Shido the mermaid situation and how the guard will not let them inside. As they discuss methods of entry, the twins debate either to sneak in or to knock the guard unconscious, which causes the guard to become even angrier. Eventually, Natsumi appears, having her looks transformed by a magician, and easily gains entrance to the palace. Seeing this causes Kaguya to pout, and she questions the guard why Natsumi gets preferential treatment. Nevertheless, Natsumi's transformation dispels at the strike of midnight, and they are once again rejected entry. Eventually, they decide to use Kotori's matches to create illusions of beautiful dresses, which give them the appearance of nobles and allow them to sneak into the party. Much to Shido's confusion, he was also wearing a dress, and looked like her female counterpart Shiori. Kotori sarcastically replies that it would be much easier for a lady to get into a ball that Cinderella was attending.

After entering the ballroom, Kotori tells everyone to stay within the reach of the torch's light, as leaving it would dispel the illusion. Despite this, the Yamai sisters charged out of the flame's limited range, causing their beautiful dresses to instantly reverted back to the ragged patchy clothing that their representative story characters had worn. The two let out unusual yells of bewilderment and speedily swayed their bodies like trained gymnasts, coordinately leaping backwards into the range of the Kotori's matches. Kotori scolds them for not being careful, to which they apologize and tell her that they will be more cautious. In the palace, she and Shido are approached by a handsome noble who asks for a dance. Despite Shido thinking it was for Kotori, the male pointed at him instead, not knowing that Shido was in disguise at the time. The noble then proceeds to insult Kotori by asking her to go away and eat some cake elsewhere, causing Shido to be forced to calm Kotori down.

However, their attention was soon focused on the stage when they found Miku as the mermaid entertainment. As conflict sparks with the palace guards, the Yamai Sisters and Tohka prepare a fighting posture in order to open a blood path for the others to rescue Miku. However, they are stopped by Origami's timely arrival, who everyone discovers is the king of the castle. Much to their shock, Origami is not wearing any clothes. Origami replies that she had received her clothes from a peculiar tailor, and they can only be seen by people who love Shido. Kotori quickly tells her that she has been deceived, as her fairy tale is apparently based on The Emperor's New Clothes. After finding everyone, they start brainstorming again for ideas of how to escape from the fantasy world. However, at that moment, the castle is suddenly invaded by the villains from each of their respective stories. For Kotori, the grandmother from The Little Match Girl has become an evil ghost and wants Kotori to light herself with her matches in order to join the grandmother in the afterlife.

Since they could not use their Angels in the fantasy world, the Kotori and the others are helpless against the ensuing onslaught. Luckily, they are saved by the appearance of a second Shido, whom Natsumi notes must be based on the manga that everyone wrote to impress Nia. After the other Shido manages to defeat all of the villains, Kotori asks if he knows any way for them to return back to their world. The other Shido tells them that they were brought here by the Angel's power, so he should be able to open a gateway from them with his <Sandalphon>. As Kotori and the others enter the portal, she gives her thanks to the other Shido, who in turn tells them that he will give their regards to their counterparts in the fantasy world.

After returning to their world, they all board the new Fraxinus EX and launch off into space to begin the mission to save Mukuro. Upon everyone else's insistence, she agrees to let the other Spirits help Shido if he is in any danger. However, their attention is soon drawn to the incoming three DEM warships led by Ellen's <Goetia>. As Kotori prepares the new Fraxinus EX for battle, MARIA assures Kotori that they will show them the strength of the world's new strongest airship.

Mukuro Family

In order to help Shido, Kotori employs Fraxinus' automatic territory to automatically redirect a meteor attack sent by Mukuro. Through the communicator, Kotori remarks that she can't let Mukuro take out her older brother that easily. However, she adds to Shido that, with DEM's arrival, the main Fraxinus ship will now be preoccupied as he confronts Mukuro. Suddenly, their ship is shaken by a greeting shot fired from Ellen's <Goetia>.

DAL v15 02

Kotori taunting Ellen

Following the initial attack from <Goetia>, Fraxinus receives a transmission from none other than Ellen Mira Mathers. Kotori accepts it, and she and Ellen exchange sour remarks. She taunts Ellen, who at first believes her lie, then second guesses herself and subsequently cuts the transmission to discover if what Kotori said was true. Kotori then orders Fraxinus to fall back, and while some of the Spirits offer to follow the departed Shido, Kotori requests them to stay on the ship as a backup. <Goetia>, however, moves in to attack again, and Kotori readies to counter.

Fraxinus throws impressive firepower in <Goetia’s> direction under Kotori’s orders; however, the smaller ship’s maneuverability makes it easy to dodge assaults. <Goetia> moves in and collides its Territory with Fraxinus’, however, the latter is largely unharmed, with Kotori smugly stating that Fraxinus had undergone some upgrades. Kotori lands a hard hit on <Goetia>, having pooled her Spirit power with the other Spirits on board in order to deliver the attack using System Blót. As <Goetia> goes down, Kotori taunts Ellen one last time.

Kotori leads the Spirits into Fraxinus’ infirmary after Shido is recovering from having survived atmospheric reentry. She asks him if he’s okay, and proceeds to reveal to him that Mukuro had vanished from the area following their meeting. She soothes him noticing his stress, stating that Mukuro is most likely safe seeing as she is a Spirit. Shido then asks about Ratatoskr’s base, and Kotori regretfully explains that it suffered fatal damage at the hands of DEM. She then advises Shido to get some rest, but her advice is interrupted by Mukuro's sudden appearance from a wormhole.

Kotori speaks to her and explains that she is Shido’s younger sister. She also advises Mukuro to let go of hugging Shido, as he needs time to recover from atmospheric reentry. Mukuro leaves, and Shido thanks Kotori for her help, to which she becomes flustered and leaves the infirmary. Whilst Shido goes to the healing spa for his recovery, Kotori also enters with the rest of the Spirits.

Kotori meets up with Shido after his recovery and prepares him for his rendezvous with Mukuro. During Shido’s debriefing, Mukuro appears and takes Shido away. Thankfully, Kotori is still able to be in contact with him through the earpiece he wears. Throughout Shido’s date with Mukuro, Kotori assumes her usual role in directing Shido’s speech. At one point, when Shido asks Mukuro to change clothes into Kotori’s, Kotori is angered by Mukuro’s blasé implication about Kotori’s small bust size. The date goes well, and after giving Shido advice whilst Mukuro leaves, it is adjourned.

The next morning, Shido greets Kotori as usual. However, Kotori promptly screams upon seeing him. She demands to know who he is, threatens to call the police when he approaches, and proceeds to hurl a piece of décor at him in hysteria. The Spirits reconvene later that day, with them all discussing the strange man they saw today, with Kotori having to reprimand Miku’s behavior. She notices that Origami is acting strangely and goes to help her. After Origami nearly falls, Kotori quickly acts to keep her upright. After stopping once Origami suddenly appears completely fine, Kotori feels great nostalgia upon Origami revealing that the strange boy they met was none other than Shido Itsuka.

After Tohka and Origami go missing in search of Mukuro and Shido, Kotori and the Ratatoskr crew are trying to pinpoint their whereabouts. Kotori is stumped as to where they could have gone, and she is distressed considering the strange circumstances preceding their disappearance. They eventually get their sights on Mukuro and Shido, however, Kotori is unable to discern their identities aside from who Mukuro is from what Origami mentioned. She orders everyone to keep track of them, ready to move in at a moment’s notice.

Later, Fraxinus’ cameras reveal the destruction occurring atop Tengu Tower, which is accompanied by the Spacequake alarm. Kotori racks her brain for the proper course of action in dealing with the chaos unfolding in front of them. With her memories sealed, Kotori is left confused over how they typically handled situations dealing with Spirits in the past. Not long afterwards, Fraxinus receives a phone call from Origami, who requests for Kotori to deploy Fraxinus’ Territory to suppress the conflict between Inverse Tohka and Mukuro. Shido briefly speaks to Kotori as well, and despite her suspicion, Kotori can’t help but feel calmed by his voice. Kotori obliges Origami’s wish nonetheless, and the Fraxinus commander orders the ship to deploy its Territory.

When Shido asks for the Spirits to lend him their power, they are all originally cautious at first. Luckily, Yoshino's willingness to trust and listen to Shido's plea causes them to agree to help him, although they still aren't sure what they can do. However, Kotori orders them to divide their Reiryoku and send it towards six different locations via the <Yggd Folium> in order to protect the infrastructure of the city from Mukuro’s attempt at halting the Earth’s rotation. After Mukuro is successfully sealed by Shido, Kotori and the others' memories are consequently also restored.

Kurumi Refrain

Kotori is onboard Fraxinus overseeing Shido being confronted by Kurumi on Raizen High School's rooftop. However, due to DEM's sudden ambush, communications with Shido are momentarily jammed, and Fraxinus is unable to provide support. After Shido decides to agree to Kurumi's deal, he returns home berated by Kotori for taking such a risky offer without consolidating with her first. However, after Shido apologizes, Kotori also admits it's her fault for leaving Shido vulnerable enough to accept the offer. Kotori lets Shido punish her by relentlessly tickling her, but he is soon interrupted by the sudden arrival of the other Spirits. Kotori then feigns being the victim in order to make the other Spirits assume Shido did something perverted to her.

After the misunderstanding is cleared up, the conversation turns serious as the group discuss Kurumi's motives. Kotori states that Kurumi is likely after Reiryoku, so even the sealed Spirits need to on alert in case she targets them as well. The discussion then shifts to the Spirit of Origin after Nia reveals that Kurumi had approached her for information about how to kill the primordial Spirit. When Kotori wonders what happened when communications were cut off, an injured Mana enters the room to explain. Kotori hears from Mana that Kurumi herself told Mana in advance of Ellen's attempt to assassinate Shido, and that she was backed up by Kurumi's clones against Ellen's forces.

Kotori calls up another Spirit meeting the following evening, after Kurumi agreed with Shido on that day to hold their challenge on Valentine's Day. Kotori proposes for the Spirits to train Shido against the charms of a mature woman. As a result, on the following day, Natsumi has the Spirits aged up to resemble mature women, except Origami, Miku and Nia, who attempted to seduce Shido in advance, and are aged down as punishment. The training session ends with Shido's head on Reine's breasts, and everyone is reverted to their usual appearances. Satisfied with the session's results, Kotori proceeds with the next stage of training. She goes with Reine, Tohka, Yoshino, Natsumi, Kaguya and Mukuro to shop for the raw ingredients before returning to the Spirit Mansion to oversee a chocolate-making session with all the Spirits. There, Kotori hears of a surprising admission from Reine regarding her own love life. Kotori and the other Spirits are moved by Reine's admission. They then see Kurumi emerge from the shadows having heard Reine's story as well. Kurumi, wearing an apron over casual wear, simply requests to join them in making chocolate. After Reine excuses herself to return to base, Kotori lets go of an instinct to question Kurumi, who reminds the Spirits of her challenge to Shido.

Kotori herself struggles with the chocolate-making process, having only made chocolate once previously with her mother. After being guided through the process by Natsumi, Kotori finally makes some chocolate to give to Shido on Valentine's Day, handing it over before he goes to school. The chocolate Kotori gives is shaped like a star. Kotori then goes to Fraxinus to oversee Shido's date with Kurumi. Unfortunately, Shido dismisses the suggestions given from higher up, saying that he's already decided where to take Kurumi. Kotori decides to trust Shido's initiative just this once. Two hours later, Reine makes a cryptic remark about Kurumi's mood. Kotori merely reminds her crew to stay alert. By night-time, however, when Shido is ready to learn the truth about Kurumi's motives, Kotori's communications with Shido are cut off when Kurumi crushes his earpiece and shoots down Ratatoskr's cameras.

Kurumi Ragnarok

Kotori quickly retrieves Shido upon detecting him again, and calls up a meeting of the Spirits at Fraxinus. Shido subsequently discloses everything that he was told. Kotori notices how Kurumi's bestowment of a Sephira Crystal was similar to her own, and wonders if <Phantom> and Mio are the same. When Mukuro informs Shido of <Michael's> ability to unlock memories, Kotori starts to worry, but relents. However, she does witness Shido collapse attempting to use <Michael> this way. After Shido comes to at the medical room with the Spirits beside him, Kotori eventually dismisses the room to allow Shido to recuperate.

The next morning, at their home, Kotori wakes Shido up her usual way. Shido seemingly notices that he is late for school, but Kotori pulls him back while switching her ribbons. She tells Shido that for security purposes, Ratatoskr will teleport him to school directly and continue to watch his interactions with Kurumi. Just then, the eyepatch-wearing Kurumi clone appears from the shadows and discloses a tip-off about DEM's plans to mobilize their forces to kill Shido in four days' time. When Kotori asks why the clone Kurumi is tipping them off, Kurumi merely replies that she is concerned for Shido, while also revealing that the real Kurumi does not know about this. Kotori wonders if the clone Kurumi is trying to tell Ratatoskr not to get involved against DEM, as part of the real Kurumi's plans to seize Shido's Reiryoku for herself.

After the clone Kurumi disappears, Kotori immediately disapproves of Kurumi's way of doing things. She promptly calls another Spirit meeting at Fraxinus to discuss the tip-off. MARIA walks through the three options that Ratatoskr can consider - evacuation, negotiation or counterattack. Kotori promptly rules out the first two options, and explains that while the enemy's forces outnumber Ratatoskr's significantly, forming a resistance is the only option to prevent the deaths of either Shido or Kurumi. Woodman enters the meeting via video-call, and says that there is a way to defeat DEM - by taking out their two leaders in Westcott and Mathers. MARIA and Origami then chime in, saying that they have ideas for defeating the Nibelcole and the Bandersnatch, two elements giving DEM the advantage in numbers. But before they can be discussed, Nia voices her concerns over the enemy using <Beelzebub> to snoop on them. Kotori has no choice but to call off the meeting. She advises Origami and Mana to continue to maintain their plans to defeat the Bandersnatch, while the rest of the team find the countermeasure against the Nibelcole closer to the time of conflict.

After the other Spirits leave, Shido and Kotori remain on the Fraxinus to discuss the imminent threat to the former's life, from both DEM and Kurumi. Kotori figures out that there are three entities in the conflict working towards different objectives, yet wonders about the fourth entity, <Phantom>, who made this conflict possible in the first place. After Reine's cryptic comment, the other Spirits return to Fraxinus having made rice balls for the crew. Kotori notices that each portion of rice ball is assigned to specific people, and when she tries out the rice ball meant for her, she immediately flinches at the taste of coriander, though manages to swallow it down before throwing away the rest of the rice ball.

On the day DEM mobilize and surround Tengu City, Kotori calls one final strategy meeting with the Spirits after being reassured by Nia that <Beelzebub> isn't listening in. Kotori points to DEM's massive numerical advantage through the Nibelcole and the Bandersnatch, and asks for the relevant input that will disable both forces and prevent them from multiplying. Origami and Mana first discuss how the Bandersnatch can be stopped by stopping the person in charge of Ashcroft Beta. MARIA then discusses how the Nibelcole can be neutralized by having Shido kiss them, an idea that Kotori has reservations with, since it would expose the enemy's target on the battlefield. However, Shido is determined to do it, making Kotori relent with one final morale-boosting cry before sending the teams to their assigned locations. As the war unfolds, Kotori's input helps Ratatoskr's ground artillery catch several DEM ships off guard.

Mio Game Over

Kotori witnesses Kurumi's death as confirmed by the disappearance of Kurumi's monitored Spirit levels from Fraxinus' screens. From the feed, Kotori also sees the figure who emerged out of Kurumi shares a likeness to Reine, who was sitting at her usual position on board. Kotori interprets Reine's subsequent response as a taunt, and duly has MARIA electrocute Reine on the next touch of her console. Reine remains calm throughout and offers her gratitude before confirming that she and the girl outside are one and the same. This causes Kotori to realize that Reine is <Phantom>. Reine announces her departure and swiftly disappears.

Kotori tries to shake off the loss of Reine from their operations by resuming command of Fraxinus. After MARIA offers some brief words of comfort, a crew member alerts Kotori to the situation outside, where Reine has materialized next to Shido. Reine and her other self merge into a single entity, Mio Takamiya. A few minutes later, Kotori welcomes the former AST captain Ryouko Kusakabe and her squad on board Fraxinus, after they were rescued attempting to flee Mio's light. Kotori calls Kannazuki over to handle the task regarding the fallen Artemisia. Ryouko reacts with shock at her former boss appearing before her as the second-in-command of Fraxinus, warning Kotori that Kannazuki is a pervert. Kotori merely gives Kannazuki the reaction he was expecting.

After Nia makes her first analysis having taken over Reine's position, MARIA suggests to transfer all the unconscious and non-combatants to sister ship Ulmus. Kotori approves while also assigning Ryouko and her squad with an evacuation duty. After they leave, Kotori decides to deploy the Spirit-powered cannon <Gungnir>. Just as she manifests her Astral Dress, the Fraxinus crew report that Kaguya, Yuzuru, Mukuro, and Yoshino have fallen, while Tohka and Origami are still engaged against Mio. MARIA helps aim <Gungnir> for Kotori to supply her Reiryoku at maximum power. Unfortunately for Kotori and the crew at Fraxinus, <Gungnir's> blast is deflected back at them without much effort, and Fraxinus plunges to the ground. Kotori survives the crash due to <Camael>’s healing flames but is rendered unable to move. The last thing she sees is Mio towering over her. Kotori barely manages to express her unwillingness to accept that Reine had betrayed her and asks if their entire friendship was a lie. Mio simply replies that their friendship was genuine, but she would sacrifice even a close friend to achieve her goal. With that, she pierces Kotori with light and retrieves her Sephira Crystal.

Mio True End

Kotori is the fourth entity that Shido talks to after waking up in the new timeline, and the second entity that Shido informs about the future he escaped from. Kotori is overall grateful for his warning from the future, but warns that this merely causes a slight change to their strategy, with DEM still an adversary that they must resist. Shido worries about Reine listening in on them, but is lucky as Kotori tells him that Reine has already moved to another room to prepare for her date. However, their conversation is later revealed to have been wiretapped by Origami to all the other Spirits in the room they were sleeping in. Kotori has the Spirits gather in the meeting room one by one to prevent Reine from suspecting anything. She also lets Shido carry out another errand before beginning his date with Reine.

During the date, Kotori maintains communication with Shido, this time from a device fitted underneath his collar. With input from the Fraxinus crew and the other Spirits, Kotori helps relay decision-making for Shido, first to compliment Reine's clothing, then to take her to the public outdoor bath of the ryokan that they had booked. A few hours later, Reine falls asleep on Shido's shoulder but wakes up a few seconds later. Kotori detects a positive change in Reine's mental state and gives the go-ahead for Shido to kiss Reine. Nothing happens, and once Reine figures out the situation, Kotori starts to panic. She then alerts Shido to DEM's presence where he is, and is dismayed that Shido, who had returned from the future, did not factor in the possibility of DEM doing things differently. Nonetheless, Kotori orders the retrieval of Shido. Just as Kotori is about to reprimand Shido for his failure to seal Reine, MARIA informs of an outside attempt to communicate with Fraxinus, and Kotori asks to be connected.

The connection reveals several images of the Spirits' friends being surrounded by Bandersnatch units invading their locations. Westcott then talks directly, threatening his hostages if they do not hand over Shido Itsuka. When Kotori refuses calmly, Westcott taunts in return, proceeding to kill their comrades right in front of them if he has to. This prompts the other Spirits to travel to the invaded locations to save their friends, which Westcott then reveals was just a diversion for his actual tactic - to invade Fraxinus. Kotori is then told by MARIA that DEM's warship Goetia has struck Fraxinus and assimilated its Territory. They therefore couldn't prevent Ellen, Artemisia and the Nibelcole from invading them alongside Westcott. Just after Mana saves Shido from Ellen's assassination attempt, Kotori manifests her Astral Dress and the three siblings begin pushing back against the Nibelcole. However, their numbers overwhelm Kotori and Mana, leaving Shido open to another assassination attempt by Ellen. Suddenly, Kurumi and her clones emerge from the shadows to gun down Westcott and steal his Qlipha Crystal, eliminating the Nibelcole and forcing Ellen, Artemisia and Westcott to retreat.

After Shido kisses Mio having sealed all ten Spirits, he is pulled into <Ain Soph>, and the sealed Spirits witness this from outside the Fraxinus while standing on its hull. With Tohka especially worried for Shido, Kotori communicates with the crew at the bridge and requests for visualization. Eventually, it is Kurumi who pinpoints Shido's location through <Rasiel>, but before she can find out more, the Fraxinus comes under attack again. Kotori would eventually contribute her powers in the final battle against Westcott, who had begun the ritual to transform himself into the second Spirit of Origin.

At the end of the final battle, Kotori gathers with all the other Spirits, Mana and a human form of MARIA, having found Shido at the familiar beach. Kotori then witnesses Tohka grab the Sephira Crystal left behind by Mio after her passing.

Tohka World

After the final battle against Westcott, Kotori mourns the loss of Reine, and would often hug Shido as a coping measure every morning. One month later, as Kotori begins to go to school one morning, all the other Spirits pass by the Itsuka house. A few days after that, Kotori and Shido welcome Mana as a visitor to their home. When Mana reveals that the latest checkup found no problems with her body, Shido finds it suspicious while Kotori doesn't understand what it means. Kotori also accepts Mana's request to transfer to her school to continue with education.

After Kurumi emerges from the shadows and tells the truth about Mana's condition, Kotori calls another Spirit meeting at Fraxinus in the middle of the night to discuss Tohka's objective for taking Mio's Sephira Crystal. Tohka herself does not attend the meeting, but her inverse form eventually does gatecrash the meeting. After "Tohka" disappears from the meeting, a panicked Kotori urges the other Spirits to report any difficulties or worries, but they all report no such problems, other than Nia who makes a remark in jest and ticks Kotori off. After Origami speaks up, Kotori comes to the conclusion that Tohka's Inverse Form needs to be sealed.

The next day, Shido sets off on his date mission monitored by Kotori and the crew onboard Fraxinus. Communications are jammed during Shido's first encounter with Tohka's inverse form that day, and Kotori ends up having to stop MARIA and Kannazuki from arguing over the next course of action. Kurumi then makes a phone call to Kotori, confirming through <Rasiel> that "Tohka" did indeed destroy Ratatoskr's cameras and Shido's micro-communicator in order to prevent their date from being interrupted. She also requests for Kotori to meet her at a top-secret location for the sake of Tohka and Shido's date. The location turns out to be a park, and Kotori finds out that Kurumi had requested all the other Spirits, except Tohka, to "meet her alone" at the same location as well.

Once Kurumi appears to her invitees, she declares that the Spirits will be battling each other in order to circulate Reiryoku and preserve the world created by "Tohka" for as long as possible. When Kotori asks why they didn't know sooner, Kurumi emphasizes that neither Shido nor Tohka would be allowed to know about this, for the sake of their date. Kotori then sees Nia look up <Rasiel> herself to confirm that Kurumi is telling the truth. With no choice but to fight, Kotori warns Kurumi that she may give in to destructive tendencies if she uses her powers for too long. However, Kurumi confirms through <Rasiel> that this won't happen in the artificial world where the Spirits would be able to manifest their full Astral Dresses without an issue.

Just before the noon start time of the Spirit battle royale, Kotori chooses Origami as her first opponent, and after both summon their respective Angels, Kotori wonders if it's fate that they would clash again. During the battle, Origami initially gains the upper hand until Mukuro intervenes in her Shifuru form, boosting Kotori's agility so that she can dodge <Metatron>'s blasts. Mukuro then fights by herself using the holes opened by <Michael> to deflect attacks. Origami's subsequent strategy to distract with <Kadour>, before firing off an <Artelif>, succeeds in hitting both her opponents at point-blank range. Kotori manages to command one last <Megiddo> from <Camael> despite getting hit. However, the heat of the flames barely grazes Origami, who narrowly avoids mutual defeat. In the next moment, Kotori falls to the ground and is eliminated, her Astral Dress and Angel disappearing into light particles.

At the conclusion of the Spirit battle royale, Mana patrols the now scorched-up park and finds Kotori, the last Spirit still to be retrieved. When Kotori comes to, she finds out from Mana who won the battle royale. Mana gives her a change of clothes before transporting her via Territory to where Ratatoskr had reconvened the other Spirits. Once there, Kotori congratulates the victor, then witnesses Mana have one last skirmish with the Kurumi that emerged from the shadows. This ends with Mana's supposed defeat, and Kotori demands an explanation from Kurumi, who calmly explains that she used her remaining Reiryoku to shoot a <Dalet> at Mana and rewind her body's state to the way it was prior to DEM's experiments on Mana. With that, Kurumi's Astral Dress and Angel disappear, forcing Kotori to quickly grab a change of clothes for her.

The ground shakes not long afterward, signifying the imminent end of Tenka's artificial world. Kotori worries about Shido not making it out in time, but Nia encourages them to believe in him. Eventually, the other Spirits find Shido and Tohka, the latter about to disappear due to the world around them falling apart. All of them begin to cry as they have to say farewell to Tohka.

Tohka Good End First Half

After the disappearance of the Spirit of Origin, Kotori continues to command Fraxinus, though not as often as before. Some time during February of the following year, Kotori calls up a meeting with Yoshino, Natsumi, Kaguya and Yuzuru, specifically because they were Spirits who did not remember their human pasts. She announces that Ratatoskr has investigated and found information on all of their human pasts, which she hands out as large folders to each attendee.

On one of her days in charge prior to graduation from middle school, Kotori has a conversation with MARIA. Kannazuki, who knows of Kotori's imminent graduation, makes an unsavoury comment that causes Kotori to react the usual way, while also reminding Kannazuki of his own engagement. Kotori then excuses herself to meet with Shido, who has been regularly visiting Fraxinus to look up Spirit-related files. Kotori knows that Shido hasn't gotten over Tohka's disappearance, and assures Shido that she isn't telling anyone to forget about Tohka. Shido replies by saying that he doesn't want to accept that Tohka has disappeared.

Kotori is later seen at the familiar café with her friends, enjoying the seasonal strawberry shortcake that they had ordered. After MARIA calls her, Kotori excuses herself to return to Fraxinus. There, MARIA shows Kotori a suspected Spacequake response that Fraxinus had detected. Kotori also finds out from MARIA that several of her "units" have been working jobs for her.

After the Spacequake alarm sounds for the first time in more than a year, Kotori urgently calls Shido to confirm that Fraxinus has detected a Spirit wave response. Kotori also says Fraxinus will pick up Shido, insisting that she refuses to let Shido go off on his own without any Spirit powers. The call cuts off before Kotori can finish. Fortunately, Fraxinus recovers Shido via the transfer device, and Kotori learns that Shido had already encountered the subject of concern and sustained severe damage. MARIA apologizes for miscalculating the Spirit's arrival time. Kotori calls for two of Ratatoskr's crew members to bring Shido to the medical Realizer.

On MARIA's suggestion, as well as Origami and Mukuro's eagerness to help, Kotori gathers all the former Spirits, who had also been recovered by Fraxinus, for an urgent meeting to discuss the situation. Shido joins once he recovers. Kotori announces that their subject will be deemed a Spirit for the time being, which Ratatoskr has codenamed <Beast>. Kotori hears of possibilities such as <Beast> not being born from Mio, or having traveled through time to appear. But when Shido decides he'll make <Beast> fall in love with him, Kotori rejects outright, saying that Ratatoskr's crew will find a way. She also claims that with Mio gone, Shido may no longer have the power to seal a Spirit, regardless of whether Spirit powers are detected. When Shido continues to argue, Kotori raises her voice and slams the table, before excusing herself from the meeting.

Kotori retreats to her own office, dismayed at her behavior in front of the former Spirits while being unable to think of a countermeasure to handle <Beast>. She lets Shido in when he knocks at her door. Shido reminds Kotori how her leadership helped him seal the Spirits, and understands how she's under pressure to act like a leader. But in front of Shido alone, she doesn't put up the act, because he is big brother to her. At this point, Kotori doesn't control her emotions, and finally admits to loving Shido, instead of her brother, which was why she didn't let Shido go to confront <Beast>. When Shido continues to insist he should be allowed to approach, he brings up the fact that <Beast> responded when he called out to her, and her facial expression was similar to Tohka's during his encounter nearly two years ago. Kotori finally relents, commanding the crew to deploy the <Yggd Folium>. Before they return to the meeting room, Kotori decides to swap one of her black ribbons for a white one. Finally, Kotori announces to the other Spirits, Shido's goal to make <Beast> fall in love with him. Suddenly, <Beast> herself intrudes the meeting via a wormhole.

Tohka Good End Second Half

Kotori initially attempts to shelter from <Beast>'s rampage which causes an explosion and the subsequent billowing of smoke inside Fraxinus. MARIA mitigates the airship by deploying the extinguishers. After hearing from Mukuro that Shido tackled <Beast> out of the airship, Kotori then hears from MARIA that Shido and <Beast> would fall to a location that hasn't been evacuated. MARIA also says that <Beast>'s rampage disabled the deployment of <Yggd Folium>. Kotori then notices Mukuro attempt to leave Fraxinus by herself, but Origami and Kurumi stop her. After her fellow former Spirits carry out Origami's plan by jumping out of Fraxinus while connected to <Yggd Folium> units via headsets, Kotori remains on the bridge to issue commands and split her nine-strong team into three groups. She also finds out, from the analysis of ten MARIA clones, that <Beast>'s swords are the Angels that the Spirits used to own.

After evacuation of the nearby area is complete, Kotori brings an <Yggd Folium> unit and headset with her to join the other former Spirits in protecting Shido from <Beast>. After MARIA assigns each former Spirit with an <Yggd Ramus> each, Kotori raises her voice to encourage the former Spirits to take on <Beast>. Kotori is among the former Spirits to fall to <Beast>. Fortunately, the last former Spirit standing, Natsumi, succeeds in landing an <Yggd Ramus> through <Beast>, causing her to lose her swords, one of which lands in front of Kotori, who wakes up and picks up the sword. It transforms into a red-black halberd, while at the same time, the associated Astral Dress materializes around Kotori allowing her to regain her Spirit powers. When direct attacks from the Angels are easily dodged by <Beast>, Kotori decides to coordinate a combined full power <Camael> and <Metatron> blast at <Beast> while using <Gabriel> and <Zadkiel> to immobilize her. While effective in inflicting some damage, the blow fails to be decisive and only appears to have singed <Beast>. <Beast> subsequently rushes to slash Kotori, but is knocked off course by a gust of wind blown by the true eighth Spirit, Yamai Kazamachi.

After Yamai's counterattack causes <Beast> to flee back to her world, Nia breathes a sigh of relief while Kotori laments at their failure to catch <Beast>. Kotori also voices her gratitude to Yamai just before the latter de-fuses into Kaguya and Yuzuru again. But when Shido grabs hold of the <Nahemah> that <Beast> left behind with the aim of going after her, Kotori refuses to let him go. After hearing Miku use <Gabriel>'s <Fantasia> to heal everyone around her, Kotori relents, but not without voicing the worry of a little sister and subsequently threatening to expose Shido's history if he fails to return. After Shido leaves for <Beast>'s world, the other Spirits attempt to console Kotori, only for her to respond with the determination of a leader. After hearing what Nia then says, Kotori wonders if Nia used <Rasiel> to know something that the others didn't, leaving Shido ill-prepared. When Kurumi comes to Nia's defense, Kotori interrogates her as well. Kurumi responds by summoning <Zafkiel>, which Kotori sees has six of its twelve bullets sealed. Ultimately, Shido does return from <Beast>'s world directly into Fraxinus, and when he comes to, Kotori is the first to ask how the date went.

On April 10th, Kotori gets ready for her first day at Raizen High School, along with Yoshino, Natsumi, Mukuro and Mana, who stop over at the Itsuka house before the school day. Kotori sees that even Miku came for a visit despite moving to the United States, and is grateful that Miku found the time in her busy schedule to do so. After the MARIA helping out detects a Spirit wave response, Kotori duly remembers to go to Fraxinus to monitor the situation immediately after breakfast. When she does so, she notices that Origami and Nia followed her there, and all three of them see from Fraxinus' graphs that the Spirit Formula is being recreated on its own. Origami and Nia's theory about the "will of the world" makes Kotori glance at the analyst's position at Fraxinus' bridge, where only a stuffed bear toy remains.

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