When I was young, my childhood friend used to show each other our genitals as a game, but now she's become a super beautiful girl and says, "Hey, let's show each other again like we did back then..."! But we've grown up and are no longer what we were back then. As a result of showing each other our genitals with such thoughts in mind, the atmosphere became awkward. And in front of her was an erect penis. In front of me was a wet pussy, which was the best flow... We ended up having adult sex, which we couldn't do back then because we were too young!