Even after getting married, Airi and her husband Yuya remain close like lovers. With their lives now stable, Airi decides to go to the obstetrics and gynecology clinic to prepare for pregnancy. The doctor in charge is a middle-aged man named Usami, and after completing a questionnaire about sex, he recommends that she take a painkiller. Apparently, the drug can sometimes have a side effect of making her drowsy. Before she knows it, Airi has fallen into a deep sleep, and after confirming this, Usami violates the lips of the sleeping Airi with a beautiful expression on her face, spreads her pussy open in an obscene position, and inserts his cock. All of this happened without her knowing... but her body remembers the pleasure...