Yumi lives happily with her husband, daughter, and son-in-law. However, she has become sexless with her husband and was pleasuring herself when she discovered that her son-in-law, Yuuma, was using her as a source of arousal... His overly large penis made Yumi feel sorry for him after such a long dry spell. 'For the both of us,' she told herself, and began to tempt his huge cock without regard for the situation. Constantly lewdly pursuing him, Yuuma's huge cock could no longer endure her mother-in-law's obscene behavior...
