A guy who’s been a virgin his whole life reconnects with his childhood friend, Kojima, who has now transformed into a daring gyaru girl. She arrives with the intention of having sex with him. In a hotel, she takes the lead, allowing him to lose his virginity. However, by mentioning her boyfriend during the act, she provokes jealousy in him, which she uses to further excite herself. He employs moves he learned from erotic videos and manages to make Kojima experience her first squirt. Despite Kojima’s initial confidence, she ends up being overwhelmed by the protagonist’s sexual intensity, showing that sex was the only thing connecting them.