Kaoru and her husband had a good relationship, considering they were a mature couple and still enjoyed intimacy. However, there were some frustrations. Her husband, despite still having a strong libido, lacked the stamina he used to have, often leaving Kaoru unsatisfied before things could reach their peak. This was honestly quite difficult for her. To distract herself, Kaoru decided to take up exercise and started using a balance ball. Coincidentally, her son came by and she asked him to help her out. As she tried to maintain her balance, she moved her hips, inadvertently leading her son to rub her ass. Kaoru let out a moan of pleasure. "Does it feel good to have your ass rubbed? I can make it feel even better with my cock," she said, as she pounced on him...
