Masayuki is suspected of killing his ex-wife when the police find her dead. There was a message written in blood on her hand that put Masayuki at a great disadvantage. The only one who can vouch for his innocence with an alibi was Yuki-Onna, who was with him at the time of the murder. But there's no way he can let a yokai provide a statement for him. Yuki-Onna asks Kotoko for help to track down the real killer.
If things had gone as she planned,
،لو سارت الأمور كما خطّطَت لها
Wäre ihr Plan aufgegangen,
D’après ses calculs,
La sua idea era che gli effetti del sonnifero
 si manifestassero mentre ero per strada.
Se tivesse acontecido como ela tramou,
Её план был прост: