"You're overusing your masturbator." Chitose bluntly told her son, who was worried about not being able to cum during sex with his girlfriend. What will become of her son, who has lost his sensitivity to vaginal pressure because he's still at an age where he should be playing around and has become too accustomed to high-performance masturbators!? As a mother, Chitose, who was worried, decided to use her own super-libidinous body to get him used to the stimulation of a woman's body... but to her son's imagination, his impotent dick begins to erect rapidly!