Chiharu has eavesdropped on the excitement of her son and best friend Kazuya in a virgin talk. Chiharu, who is on the verge of exploding daily frustration and motherhood with Kazuya's pure adolescent boys who are still curious about sex without knowing the pleasure of sex, invites Kazuya who came to his house while his son is away and "woman" Are you interested in your body? If you like, I'll tell you ... "