Carnivorous mother Yumi, who eavesdropped on the conversation heard from her son's room and learned that her son's friend Jun was a virgin, was Yumi who somehow tried to eat Jun's virginity by looking at her son's gap, but Jun was surprised. Explodes in between. That night, Yumi, dressed in a bodysuit, appears in her dream pillow for Jun, who can't forget the events of her daytime. Yumi gives a lecture on the ABCs of SEX to Jun who is completely depressed. Jun woke up the next morning and felt her confidence and courage in her body.
