Even after marrying Hiroya, Airi remains as close as a lover with her husband. With their lives now stable, she decides to prepare for pregnancy and visits a gynecologist. The attending physician, a middle-aged man named Usami, suggests she take a painkiller after completing a sexual health questionnaire. He mentions that the medication can rarely cause drowsiness as a side effect. Before she knows it, Airi falls into a deep sleep. Usami, upon noticing this, takes advantage of her unconscious state, taking pleasure in her beautiful sleeping face as he kisses her lips and spreads her legs in a provocative manner before inserting his penis. All of this happens without her knowledge... However, her body remembers the pleasure...