Lesson of the Evil (2012)
Seiji Hasumi, a charismatic English teacher at a prestigious private high school, harbors a dark secret—he's a ruthlessly violent sociopath. Frustrated by the rampant bullying and misconduct among students, he devises a chilling scheme to eliminate the problem. As his sinister plan unfolds, the line between educator and executioner blurs, revealing the depths of his twisted ideology. The story explores the consequences of unchecked aggression within a seemingly idyllic school environment, ultimately questioning the true nature of morality and authority.
