"Isn't the sex with her going well?" Yuri, who knows everything about her son, easily saw through the cause of her son's lack of energy. Yuri continues to her son who is surprised by her guess. "I'm so used to the stimulation of the masturbator that I can't feel it with a girl's body." Feeling uneasy about her son's future, Yuri decides to teach her the pleasure of her female body with her own body. However, Yuri is the owner of a masterpiece that is even more exciting than Masturbators.
