During a home visit, female teacher Shion witnessed the robust body of Doshima's father and became excited, engaging in carnal desires with him. A student who caught sight of their lewd act summoned Shion and blackmailed her. Commanded to expose her obscene form, Shion gradually became more aroused and began to crave his penis. Her fiancé, in a phase of marital boredom, became erect at the sight of Shion's ecstatic state in their forbidden relationship. After a long time, they made love intensely and reached climax together.
