Schoolgirl Mai has a submissive side that indulges in self-centered, greedy sex in the school infirmary whenever her boyfriend demands it. At the same time, desperate not to lose the affection of her beloved teacher, she obediently allows him to take naked photos and film their sex, revealing another side of her personality. The story unfolds around the forbidden relationship between a teacher who crosses boundaries with his student and a schoolgirl hopelessly in love with him. The film captures Mai's complex emotions as she becomes deeply entangled in this illicit affair.