Mayu, whose sexual desire did not stop increasing with age, fell into extreme frustration. Her husband doesn't care at all because of her work. When the frustration reached its peak, her ... appeared in front of her was her son's erection cock. Mayu jumped at Gingin's Ichimotsu. However, the boy who has little sex experience can not stand the comfort of the ripe vagina and ejaculates immediately. Mayu, who is not satisfied with her, sets up a cleaning blow job to make her erection again.