Mana, who had become her dream teacher, found fulfillment in her job. One night, a student from her class named Ume no suddenly came to her home and confessed his feelings, but she got angry and chased him away for being unreasonable. The next day, Ume no, enraged by Mana's attitude, forcibly entered her home with his friends, taking it over, and days like those of a slave began.
