Manami, who became a longed-for teacher, felt that her job as a teacher was rewarding.One night, a student from her class, Umeno, comes to her home and suddenly confesses to her, but she angrily drives her away because she is insane.The next day, Umeno, who was enraged by her Manami's attitude, took her companions and forcibly invaded her Manami's home, and occupied her manami's home, and was like her slave. begins.