"My son is small-minded, so his balls are also small..." Hisae said casually while having tea with her housewife friend, Haruka.Hisae, who has a husband who often travels on business trips, was dissatisfied with the fact that she had little sex, and on top of that, she had a small ball and a small amount of semen.One day, when Kazuma, the son next to her, came to pick up her mother's forgotten item, she was worried about what Haruka was talking about during the day and couldn't help but take off her pants. "He's bigger than my master!"