A certain boy transfers to a certain school. He has caused problems at his previous school, bullying anyone he does not like since the first day, his followers gradually increasing. One day, a friend nervously warns him. "......A terrifying teacher is coming." "Do you think I'm afraid of that?" Meanwhile, a female teacher enters the classroom. ――Kyoudou Maeko, arrives at the school. "I'll teach you, how weak of a human being you are."