Kojika Kumari is the treasurer of the Student Council and a friend and classmate of Aoko. She possesses a cool-mannered and realistic personality. She is very responsible as a result of being in charge of a household of brothers, but she dislikes how the men in her life look down on her. Though her father disapproves of her desire to attend college, Kojika still works hard to save money to attend anyway.

(Source: VNDB)