Lesson of the Evil

Seiji Hasumi, an esteemed English instructor at an exclusive high school, harbors a dark secret beneath his charming facade: he is a homicidal sociopath who meticulously exerts control over the staff and students through cold-blooded murder and intricate manipulation. As the school gears up for their annual cultural festival, Hasumi finds himself cornered when discovered in the act of committing another heinous crime. With his freedom on the line and a desperate need to maintain his carefully crafted web of deceit, he resolves to execute a chilling final act - transforming what was supposed to be a celebration of school spirit into an unforgettable bloodbath.