Atsushi Miyagawa
Utama
The protagonist. A 5th grade elementary school student who is very tall (180cm tall) and has a grown-up appearance. He is often mistaken for a teacher or parent, however Atsushi acts his true age.
Ryoutarou Okiayu← Kembali ke detailRyoutarou Okiayu 
Rie Kugimiya
Aya Hirano
Tomoe Tamiyasu
Aya Uchida
Takahiro Sakurai
Nanami Kashiyama
Sayako Toujou
Satomi Akesaka
Karakter & Staf
Recorder to Randoseru
Karakter
Ryoutarou OkiayuAtsumi Miyagawa
Utama
Atsushi's sister. A high school sophomore who is quite short (137cm tall) and has a childlike appearance. She is often mistaken for an elementary school student. Atsumi takes good care of Atsushi, who acts his true age.
Rie KugimiyaSayo
Pendukung
Umur 17
Height: 165 cm Atsumi's best friend. She has a crush on Atsushi despite his age.
Aya HiranoFutami Moriyama
Pendukung
Tomoe TamiyasuHina-chan
Pendukung
She is one of Atsushi's classmates.
Aya UchidaTake-nii
Pendukung
Atsushi and Atsumi's next door neighbour whose face is never seen. Currently unemployed.
Takahiro SakuraiMidori-chan
Pendukung
Nanami KashiyamaJun-chan
Pendukung
Sayako ToujouPolice Woman
Pendukung
Satomi AkesakaStaf
Meme Higashiya
Original Creator
Aoi Tada
Theme Song Performance
Sayako Toujou
Theme Song Performance