A mother, Eriko, lives with her son who aspires to be a doctor. One day, her son returns home from school looking dejected. When she asks him what's wrong, he says that he asked female classmates to let him touch their bodies for the sake of becoming a doctor and was disliked because of it… Her pure-hearted son has hit a wall regarding sex… Seeing her son depressed because he can't become a doctor, Eriko decides to use her own body to educate him about sex.
