Kodomo no Jikan Ni Gakki

Mischievous 7-year-old with a crush on her teacher, using manipulative tactics to pursue him, yet deeply cares for loved ones.

Kitamura Eri

Kuro Kagami: A foul-mouthed, aggressive 10-year-old secretly in love with Rin, known for her expensive Gothic Lolita fashion.

Shindou Kei

Well-developed, quiet 10-year-old who initially avoids school but returns after Aoki's intervention; secretly loves Reiji.

Kadowaki Mai

23-year-old teacher Daisuke Aoki develops romantic feelings for his student, Rin, eventually becoming a couple.

Majima Junji

Strict, asocial teacher harboring hidden vulnerabilities, slowly softening after unexpected friendships.

Soumi Youko