A university student named Chisato, who is troubled by a debt crisis, is drawn by a large reward and begins working as a private tutor. Her student is Rika, the daughter of Ryohei, an ordinary salaried worker. When Ryohei divorced his wife when Rika was young, and recently, since a remarriage partner named Chiyoko began coming in and out of the house, Rika’s life has become chaotic. She and her male friends have teamed up to subject Chisato to sexual harassment and bullying…