A man is humiliated in class for being a virgin by the girl he admires. Desperate to lose his virginity, he begs his childhood friend, a promiscuous girl named Matsuri. Despite her initial reluctance, she agrees if he uses a condom. He finds an old condom from his father's belongings, but during their awkward first sexual experience, it breaks. Discovering the pleasure of unprotected sex for the first time, he cannot stop himself, and his thrusting accelerates. Matsuri climaxes multiple times, and he ejaculates inside her repeatedly.
