Manami, who had become a teacher, was feeling fulfilled by her job. One night, Umeno, a student from her class, came to her house and suddenly confessed his love to her, but she got angry and chased him away, saying that it was out of the ordinary. The next day, Umeno, enraged by Manami's attitude, forcibly broke into Manami's house with his friends, occupying her house and starting a life of slavery.