Chisato, a single mother, is having trouble dealing with her withdrawn son, Kenichi. Chisato's single homeroom teacher is cooperative and frequently visits her home, but there is no sign of going to school. Kenichi, who was furious with his mother's attitude in front of his homeroom teacher, finally raised his hand to her mother. Is it jealousy of the mother's homeroom teacher's attitude or revenge for hurting her pride? Violence eventually turns into a sexual act, and along with that, the mother's reaction also changes to that of a woman...
