A female teacher who was assigned to a troubled delinquent school, what is her true face...?! [Mana Sakura, a sadistic transformation] Wake up already. Turning bad students into masochistic slaves one after another! If you want me to stop... how about you promise that you won't do it again? I'll give you a hard punishment♪ An endless bondage hell of orgasms!! You'll definitely have zero sperm! A new female teacher is born!!