Takaoka Koume

The main character's neighbor and childhood friend who is one year younger. Daughter of Mifusa.

She is first-year student at the private Dohamari Academy and a member of the track and field club. She is an energetic girl with a winning spirit.

She is always teasing the main character for being an unreliable guy, but also wants to take care of him. She is not good at romance and has never been with a man.

Although she feels uncomfortable with her mother's overprotection, she knows that she is loved by her mother, so they have a good relationship.