Ep. 1: Ai regresa como una mariposa azul mientras el grupo investiga el cuaderno de un profesor.

Ai makes her first appearance as a blue butterfly after her apparent death. Her companions now work as ordinary people. Ai's new companion, a young boy named Yamawaro, calls Ren back to Ai while Kikuri possesses a doll and calls Wanyūdō. Bewildered that Ai has returned, her group take on a case after a long time: a rebellious high school girl, Itsuko Hiraishi, hates her teacher Tange because he records every fault of his students in a notebook, saying he will put it in their permanent record. Ai inhabits the body of Itsuko's friend, Yuzuki Mikage. Itsuko sends Tange to Hell, only to regret her decision upon learning that he was not a cruel teacher: he never wrote anything in his notebook; he only pretended to scare students into behaving. (Source: Wikipedia)

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