One day, Shinobu, who had been wasting her body, finds her son's childhood friend, Nagasawa, visiting her for the first time in a long time, and starts talking to him... Nagasawa, who is at an age where he admires Shinobu's sexy behavior, can't resist it any longer, and when Shinobu leaves her seat, he starts touching his crotch... Seeing this, Shinobu decides to release her pent-up desires as a woman on the boy.