Misato, a wife, takes care of her father-in-law. Her aging father-in-law wants a grandchild and asks Misato to have a child. However, it is impossible for Misato, who is sexless, to get pregnant. Her father-in-law is so excited to teach her how to get pregnant that he sexually harasses her, calling it a fertility ritual. He caresses her while taking care of her, gives her a blowjob in the bath, and has sex with her and cums inside her. Misato is drowning in his skilled sexual techniques, and straddles her father-in-law and starts to move her hips...