Kanako, who had been wanting a child for some time, looked forward to having unprotected sex with her husband on the day of ovulation. However, when Kanako invited him to bed, her tired husband took a cold attitude. Unable to release her pent-up sexual desire, Kanako indulged in self-pleasure in the kitchen late at night. This scene was accidentally witnessed by her stepson, who couldn't hide his erection from the sight of his beautiful stepmother's lewd figure. Suddenly looking up, Kanako noticed the bulge in her son's pants…
