Shounen ga Otona ni Natta Natsu (The Summer the Boy Became a Man), often referred to by its 2024 OVA adaptation by , is a Japanese manga-based production that has recently gained attention for its intimate, coming-of-age narrative. The story revolves around the life of a young, naïve protagonist, Ryuuki Kirishima, and his dramatic transformation during a pivotal summer. The first three chapters (or OVA episodes) set the stage for this emotional and physical journey. Plot Summary: Shounen ga Otona ni Natta Natsu Caps 1-3