``You're using your masturbator too much,'' Chitose flatly told her son, who was worried about not ejaculating during sex with his girlfriend. - What will happen to my son, who is still at the age of playfulness but has become so accustomed to high-performance masturbators that he no longer feels vaginal pressure? - ? - Chitose, who is worried as a mother, decides to use her own lewd body to get him used to the stimulation of a woman's body, but... Her son's tight pussy far exceeds his imagination, and his cock goes wild. - It starts to get erect!