A first-year student at Eimei High School and a member of the boys' badminton club. Short black hair. A straightforward boy who is considerate of others. He has been playing badminton since middle school and spends his days training hard in the high school gym from early in the morning.

A first-year student at Eimei High School and Taiki's friend in the boys' badminton club. Brown hair with a center part. A cool and kind boy with a calm personality who is very observant of his surroundings. He understands Taiki better than anyone and always gives him calm, accurate advice.

A second-year student at Eimei High School and the ace of the boys' badminton club. He possesses potential that can compete at the national level, and Taiki looks up to him as a mentor. He is caring, and the strict guidance he gives Taiki is a sign that he truly looks out for him.