Haruo was worried that his usually cheerful stepmother, Yumi, had recently started to seem more spacey, and wondered if something was bothering her. However, for the first time in a while, Yumi yelled at Haruo to give him a scolding. It was about "adjusting his penis position." Perhaps because Haruo's penis is bigger than most people's, he had a habit of unconsciously adjusting it. Haruo was extremely embarrassed to be told off by his stepmother for such a thing, but for some reason, Yumi began to play with Haruo's huge penis with a gleeful look on her face...