"I want to have sex. I finally got my first boyfriend, and I want to do it with him. So, could you teach me?" she pleads with Minami and A. In truth, she's a virgin and fears being disliked because she can't do it well. She wants to learn how to have sex that feels good not just for her partner but for herself too, and insists that the only two people she can rely on are them. Accepting her earnest wish, Minami and A begin teaching her the basics of sex. A lesson in pursuing pleasure begins now.