Yayoi Sanzenin Friends

Chitose is the Main male character in the series Happy Lesson, who has to cope with life with his five teachers.

Chitose and Minazuki's adopted elder sister.

She is the science teacher and also one of the mothers of Chitose. An inventor who loves to try her inventions on the boy and also to protect him from her childhood friend Kanna

Chitose`s younger sister, not a blood relative. They met each other while at the orphanage.

Chitose`s homeroom and Japanese classics teacher. Devoted mother who wants to see him get the best grade possible. Will sometimes cry in order to make him study.

The army type P.E teacher known as the bear women. She is violent in her methods of training but underneath all that is a caring mother. Often has arguments with Uzuki the art teacher.

The schools art teacher and sometimes mistaken for a child. She is a very happy person and a caring mother.