Chiharu Shinonome Friends

Keiko is the mother of the Shinonome children in the Eiken series. Like most of the girls in the series, two daughters and even her son, she have feeling for Densuke Mifune despite she is beeing way older than him, and tried to seduce him.

kirika is the leader of the eiken club and forced Densuke into joining

Chiharu's cousin, who also has a crush on Densuke. She work a lot because she is secretly funding detectives who promised to find her long-lost father who left almost without a word after the divorce due to the bankruptcy of his factory.

Chiharu Shinonome's identical younger brother. Likes to disguise himself as a female (which includes fake breasts) to look like Chiharu.

Shima is the rival of Densuke. He is very kind, handsome and smart.

The younger sister of Chiharu and her opposite in more than one way.