Shounen ga Otona ni Natta Natsu – Episode 3 (RAW)

After becoming "official" with Kiriru-sama following an intense encounter where he lost his memories amid overwhelming climax, protagonist Ryuki Kirishima shines in a soccer match. Kiriru watches from the stands and summons him to the backyard for a reward. Amid nearby voices heightening the thrill of getting caught, their illicit outdoor passion reaches peak excitement fueled by backdoor risk. Overheated, they nearly get spotted by teammates and flee into a flower bed—only to find childhood friend Chiaki there. Glaring with hostility at Kiriru, Chiaki challenges Ryuki in a high-stakes contest: who can complete a "full-school naked sex tour" in broad daylight. Both girls strip bare, exposing everything under the sun to satisfy their lusts and claim victory. Ryuki is caught in the middle as the rivalry unfolds in risky, public exhibitionism across the school grounds. The episode explores jealousy, competition between the two "older sister" figures, memory mysteries, and Ryuki's deepening plunge into adult pleasures. Will the winner emerge, or will exposure end it all? Teasing escalating secrets in this transformative summer of taboo and desire.