"Hey, why don't you put up with having sex? Then you may have a baby with thick sperm." Toshio and Aya, a couple who are not blessed with child treasure. At Aya's suggestion, she was forced to live abstinent life for a month. However, Toshio, who has been banned not only for sex but also for masturbation, gets horny and erections in a gingin after a week. "Can you put up with it?" Toshio was worried, but what he really worried about was the existence of Aya's mother, Yumi, who lives with her.
