A middle-aged teacher who was so liked by an naive female student that he lost his sense of reason, pretended to be a parent and play and slept at a hot spring inn, sucking on her whitening breasts all night long. Mirei Uno

The movie revolves around a forbidden relationship between a middle-aged teacher and his naive female student. The teacher, who has lost his sense of reason due to the student's affection, pretends to be a parent to spend time with her at a hot spring inn. As they navigate their illicit encounter, they engage in intimate activities, blurring the lines of their student-teacher dynamic. The central tension lies in the power imbalance and societal taboo surrounding their relationship.