An was spending a peaceful, ordinary life. But recently, she was a little tired of her husband's special perversion and was feeling frustrated. Her brother-in-law, Hideki, who sensed this, provoked the carnal desire sleeping deep within her... An, who was swept away by his sweet talk and ended up having a physical relationship without realizing it, continues to refuse any further invitations from that point on. But her body, which has been repeatedly cumming from the delicate and intense caresses that she could never feel with her husband, cannot forget the unprecedented pleasure...