Kurosawa and Shinomiya stay overnight at their homeroom teacher's house to study. They become drawn to the teacher's beautiful and seductive wife, Misako. Unable to resist, Kurosawa pleads with her. Initially refusing firmly, Misako eventually gives in to his feelings and accepts him. Suddenly, Shinomiya bursts in, leaving the three of them alone together. Misako is captivated by the young men's bodies, gradually losing herself completely to their desires.