Yukari's trouble was that her son Tomoma had no interest in the opposite sex.A young man tries to tempt her, saying that it is no good, but the effect doesn't go up and on the contrary, his feelings rise and he indulges in masturbation.However, in the middle of the act, Yukari notices that Tomoma is peeping.When I asked him why he lied about not being interested while feeling happy that he was interested in the opposite sex...Knowing the real reason, Yukari does something so that Tomoma can have confidence in dating someone of the opposite sex.