Hasumi Seiji, who teaches English at a high school, is affectionately known as “Hasumin“ by his students. He’s popular, good-looking, kind to everyone, and efficient at teaching and solving problem...more

Hasumi Seiji, who teaches English at a high school, is affectionately known as “Hasumin“ by his students. He’s popular, good-looking, kind to everyone, and efficient at teaching and solving problems. But no one knows that he’s actually a manipulative serial killer.