My daughter, who is now of age, got a boyfriend, and we had built good relationships as families. However, it seems that my daughter's boyfriend has a strong sex drive and was having sex many times in my daughter's room. That could be heard even in Rin's bedroom, and even her husband muttered that he was amazing. One day, when I came home from shopping, my daughter wasn't there, and he was masturbating alone. Rin was panicked, but he came to consult her, saying, "I'm troubled because my sex drive is too strong. What should I do?" While trying to resist desperately, saying, "It's not strange for a young man to have a strong sex drive," her boyfriend's runaway sex drive doesn't stop... While saying "no" and resisting desperately, Rin's legs were trembling so much that she couldn't stand up, and she was feeling pleasure...