With graduation 10 days away, homeroom teacher Hiiragi gathered all 29 students of class 3-A and proclaims them his hostages. His last lesson regards the death of a student that passed away a few months before. Nobody will be able to graduate until the truth is known.

Cast:Masaki Suda, Mei Nagano, Mio Imada, Ryota Katayose, Moka Kamishiraishi, Nana Mori,

Genre:Crime, Drama, Mystery,

country:Japan,

Production:Nippon Television Network Corporation,