Years have passed since a particular incident nearly erased a child's closest friend and ally. She has worked relentlessly to try and bring him back.

Meet (Y/N) Ubayashiki, the girl full of secrets, the girl who nearly everyone seem to naturally fall for and the girl who really knows how to fight. (Y/N) and her friends all share the goal to avenge their loved ones and kill the demon progenitor, Muzan Kibutsuji. However, (Y/N) unmasks more mysteries of her past and her future... 𝘞𝘪𝘭𝘭 𝘴𝘩𝘦 𝘣𝘦 𝘢𝘣𝘭𝘦 𝘵𝘰 𝘳𝘦𝘴𝘰𝘭𝘷𝘦 𝘪𝘵 𝘢𝘭𝘭?