Nono Mizusawa - sadistická učitelka

As a student, Mizusawa was a simple and unobtrusive student. His homeroom teacher at that time him to have a relationship with her with the help of a university entrance exam recommendation, and he lost his virginity to her. This spring, Mizusawa returns to her old college as a teacher and meets her homeroom teacher again. When asked why he became a teacher, he says, "Revenge!