erika, who is doing her teaching practicum at her alma mater, visits the home of a student, Masaki, who refuses to go to school. Although the teachers tried to stop her, erika, who had been saved by her mentor, wanted to save the student herself. However, masaki drugged her tea with sleeping pills and pinned her down. During the act, his yakuza uncle and his thugs appeared and took turns raping erika.