Horikita is the leader of a group of female thugs in the school, who regularly bully and extort money from other students. That's why so many people hate her and plan to take revenge. Horikita was raped by the same people she had bullied, and was also looked down on by the people in the group. Too humiliated, she decided to take revenge! Taking advantage of the psychology of the boys, she made the boys in the class gang rape all the members of her group publicly!!