Kaoru and her husband had a good relationship, even though they were older couples and they had sex at night. However, she was not satisfied. Her husband was getting older and had a sexual desire, but his physical strength had declined, and the relationship would end before Kaoru was satisfied. To be honest, this was painful. Kaoru thought that exercising would help her to relax, so she decided to use a balance ball. Her son happened to be there, so she asked him to help her with the exercise. Kaoru moved her hips to keep her balance. Her son couldn't help but rub her ass. Kaoru gasped. "Does it feel good to have your ass rubbed? I'll make you feel even better with my dick," he asked, as he attacked her...