|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.|
|Novel Debut||Date A Bullet|
Yue Hiryu (陽柳 夕映, Hiryu Yue?) was a Quasi-Spirit living in the Tenth Region Malkuth and Hibiki's best friend.
As Hibiki's closest friend, she was Hibiki main reason for living in the Neighboring World. However, unlike Hibiki, Yue felt the need to fight life or death battles in order to continue surviving. After she died in Doll Master's killing game, Hibiki then dedicated her life to avenging her.
Unlike Hibiki, Yue felt the need to fight in order to keep living, and often encouraged Hibiki to also make the best use of her powers. However, Yue was often cheerful and even quickly befriend Hibiki while she was an Empty, something that not many Quasi-Spirits would consider even approaching.
As a doll, her personality has been altered to be subservient to Doll Master. However, a part of her still remembers Hibiki, moving to protect Empty after mistaking her for her old friend.
According to Hibiki, Yue was the sort of person to fully immerse herself in the wonder of the Neighboring World, wanting to enjoy herself there even if everything was just a dream.
Powers and Abilities
In combat, Yue's Unsigned Angel took on the shape of a large claymore that didn't match her size. Even after being turned into a doll by Doll Master, she retains her old Unsigned Angel and Astral Dress.