Shounen Ga Otona Ni Natta Natsu 01 -

The story takes place in a small coastal town in Japan during a hot summer. The main protagonist, Masato Hori, is a 17-year-old high school student who has just finished his first year of high school. Masato is a bit of an underachiever and feels like he's stuck in a rut.

The story revolves around Aoi, a 15-year-old high school student who becomes involved with a group of older men. As the title suggests, the narrative explores themes of coming-of-age, self-discovery, and relationships.

, a chemical genius who raised him, has been away working in Tokyo.

: Ryuuki’s older sister, a chemical genius who raised him. It is later revealed that she created the shounen ga otona ni natta natsu 01

: Akira's journey back to his childhood forces him to confront the choices he's made and the path his life has taken. He reflects on what could have been, questioning if he truly became the person he wanted to be.

“Still gonna go?” Haru asked. The question was small and enormous. The story takes place in a small coastal

The characters are the driving force behind the series. Here’s a breakdown of the main cast introduced in the first episode.