Hitomi, a mother who raises her beloved son with one woman. It's been 10 years since I worked at Soland without telling my son. One day, Hitomi happens to meet her son's classmate, Kyosuke, at a soapland. Kyosuke tries to leave the store in a panic, but Hitomi, who doesn't want her son to find out, grabs Kyosuke's dick, which has grown with dreams and expectations.