Yukari's concern is that her son, Tomoma, has no interest in the opposite sex. The young man tells her that this won't work and tries to seduce him, but it doesn't work. Instead, he gets excited and indulges in masturbation. However, during the act, Yukari notices Tomoma peeking at her. Happy that he has interest in the opposite sex, she asks him why he lied about not being interested... After learning the real reason, Yukari does something to help Tomoma have confidence in interacting with the opposite sex.
