A Private Girls' High is a special school nurturing young maidens to be graceful, delicate intellectuals.
Except that Class 1-A, infamously known as the "Class of Monsters," is full of bullies, blackmailers, scheming sadists, and other trouble makers. Within a week, every teacher who has taught this class has either quit, resigned, or even been imprisoned. However, the plain-looking Jimi Tarou shall carve out his name and become a legendary teacher.