Mr. Hiiragi's Homeroom(2019)

series - first aired/released 2019-01-06 - audience 8.0

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.