: A young football prodigy and the protagonist who undergoes a significant "coming of age" journey during a pivotal summer.
: The secret relationship continues as Ryuuki navigates his feelings for both his sister and her streamer persona. Main Characters shounen ga otona ni natta natsu cap 1 2 3 sub free
: Ryuuki's older sister and a world-class chemist who practically raised him. She secretly lives a double life as the streamer Kirill. : A young football prodigy and the protagonist
: The boys go swimming in a river, where Kirill appears again, further deepening her involvement with Ryuuki. She secretly lives a double life as the streamer Kirill
: A childhood friend of Ryuuki who harbors her own feelings for him, leading to a complicated love triangle involving Kirill. Viewing Information
The anime (English: A Summer When Boys Become Men ) is a 4-episode OVA series that began its release in September 2024. Produced by studio Queen Bee , it is based on the 2023 manga of the same name by author Jairou. Story Overview