Seiji Hasumi is a popular English teacher in a private high school. He is also a violent and sociopathic killer who concocts an extreme plan to deal with the rise of bullying and bad behavior among the student body.
Keywords: atrocities , based-on-novel-or-book , high-school , high-school-teacher , japan , japanese-high-school , psycho-killer , school-horror , school-shooting , school-suspense , serial-killer , suspense