Shounen+ga+otona+capitulo+1+para+leer

The manga you are referring to is likely "Shounen ga Otona ni Natta Natsu" (The Summer the Boy Became an Adult). 

Formato Digital: Puedes encontrar capítulos y reseñas en sitios como MyAnimeList para seguir el progreso de la serie. shounen+ga+otona+capitulo+1+para+leer

To get a "good paper" (clear scan/PDF):

Are you interested in other coming-of-age manga that follow a similar "summer transition" theme but are suitable for a wider audience? shounen ga otona ni natta natsu manga - TikTok Shop The manga you are referring to is likely