Kōshi Usa

Koushi Usa (宇佐 浩史 Usa Kōshi) is the Aoba High School's Boys Volleyball Team Coach.

Appearance
He has a short brown hair with a small side bang. A small brown eye with short eyebrows. He is rather tall. He is usually seen with an orange shirt and a short lengthening to his knee, with a sport whistle hung around his neck.

Personality
Contrary to his appearance, he is a hot blooded man and quick to bark like a wild animal.

History
He graduated from the same university as Kokoro Amatsu.

Kokoro Amatsu
She is his fellow colleague. They graduated from the same university and are very good friends. He often tries to tease her.

Boy's Volleyball Club
He cares a lot about the Boy's Volleyball Club, of which he is coach He often defends them by saying that they are trying their best.

Quotes

 * "Power that's too great destroys it's surroundings."