With childbirth drawing near, Nanako Asahina cannot suppress her sexual appetite and secretly goes out to seek sex with someone other than her husband. Her swollen breasts are licked until she melts, and her already-soaked pussy makes her moan when fingers slide inside. After sucking the cock she has been craving, she takes it inside while speaking to her husband on the phone, struggling to keep her voice steady as the danger makes her even more aroused.