: A famous adult streamer and actress who becomes the primary catalyst for Ryuuki's transition into adulthood.
: Ryuuki’s older sister and a chemical genius. She is described as a "genius slob" who is fiercely protective of her brother. shounen ga otona ni natta natsu 1 f1dbe2701 best
The series is an adaptation of the manga originally serialized in between 2022 and 2023. The animated OVA adaptation began releasing in September 2024 and consists of four episodes. The story explores themes of growth and secret identities, with some viewers noting parallels to a modern, mature reimagining of the Jekyll and Hyde trope. Episode Overview Release Date 1 Sept 6, 2024 Ryuuki meets Kirill in a forest while his friends are away. 2 : A famous adult streamer and actress who
Ryuuki and Kirill face a compromising situation during a soccer match. The series is an adaptation of the manga