Yusuke, the childhood friend of his son, grew up without knowing his mother's warmth. Aya tried to be a comfort for him over the years, treating Yusuke like her own child and showering him with affection. Yusuke also adored Aya, and the two had built a good relationship. However, as Yusuke was growing into a full-fledged man, Aya sensed that he was starting to see her not just as a mother but as a woman. Perhaps it's time to end our little parent-child game. Just as she thought this, Aya was caught by Yusuke in the act of masturbating...
