While his wife was away for childbirth, on a day when she was about to give birth, his sister-in-law Saya came over noticing he was struggling. She kindly helped with cooking, laundry, and daily chores, allowing the husband to relax in the bath. Suddenly, Saya burst in completely naked, offering to take care of his lower body as well—her appearance deeply stirred the husband's emotions. In truth, Saya herself was having problems in her marriage and had come over to relieve her pent-up desires. But her real target was the husband's cock...