Yuri repeatedly visits to help care for her pregnant daughter before the birth. Instead of making life easier, arguments with the wife continue until her husband is even forbidden to masturbate. A few days later, alone with Yuri, he admits he has obeyed the ban for an entire week. Surprised, she smiles kindly and offers to take care of him herself. While he freezes in disbelief, her lewd fingers reach toward his crotch, beginning an affair that leads to repeated breeding sex.