When a number of female murder victims are discovered in Ueno Park with lilac flowers in their mouths and one of Shizuru's books by their side, rumor spreads that he may have some involvement in the case. Worried for her friend, Tsugumi learns that the murders seem to be inspired by a certain book where both Shizuru and Sasagoi-san have ties to the author. When Shizuru is taken away by the police for questioning, Tsugumi works with the rest of Fukurou to find the real killer before it's too late.
I'm certain these goldfish would 
be happy simply being with
أنا متأكد أنّ هذه الأسماك الذهبية ستكون
.سعيدة ببساطة إن اعتنت بها آنسة فاتنة مثلك
Diese Goldfische dürfen sich
glücklich schätzen,
Seguro que a las carpas les encanta
que una chica linda las cuide.
Seguro que a las carpas les encanta
que una chica bonita las cuide.
Je suis certain
que ce poisson sera très heureux
Sono sicuro che sarebbero felicissimi 
se una persona affascinante come lei
Esses peixes ficariam felizes sendo cuidados
por alguém maravilhosa como você.
Уверен, рыбка будет очень рада, что за ней
присматривает такая милая девушка.