Miyagawa Atsushi is an 11-year-old boy who is 180 centimeters tall. Since he has a grown-up looking build but acts his age, he has always been running into troubles. On the other hand, his 17-year-old elder sister Atsumi is only 137 centimeters tall. Even though she has a childish looking build, Atsumi takes good care of Atsushi.
Genres: Comedy
Watch Recorder and Randsell episode 1 online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.