Lesson of the Evil (2012)
Seiji Hasumi is a popular English teacher in a private high school. He is also a violent and sociopathic killer, who slowly takes control of the students and faculty through murder and manipulation. When he is caught in the act during preparations for the school cultural festival, he sees staging a massacre as the only way out. high school, japan, based on novel or book, serial killer, high school teacher, psycho killer, school shooting, japanese high school, atrocities
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