A chance reunion with a sexually harassing teacher from my school days at a call girl. From that day on, I was made to be his obedient sex pet... Fumino Satsuki

The movie depicts a chance reunion between a former student, Fumino Satsuki, and her ex-homeroom teacher, who had a history of sexual harassment. The teacher, taking advantage of Fumino's current situation, coerces her into becoming his sex pet, exploiting their past relationship and her vulnerability. The story explores themes of power abuse, manipulation, and the complexities of their troubled past.