Kōshi Usa

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

Appearance
Kōshi 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 Kōshi's appearance, he is a hot blooded man and quick to bark like a wild animal.

History
Kōshi graduated from the same university as Kokoro Amatsu.

Kokoro Amatsu
Kokoro is Kōshi's fellow colleague whom he graduated from the same university with and they are very good friends where 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."

Etymology

 * The name Kōshi means "prosperous" (浩) (kō) and "history" (史) (shi).
 * Kōshi's surname Usa means "eaves, roof, house, heaven" (宇) (u) and "help, aid" (佐) (sa).
 * Usa is an homage to the Usa Station in Ōita, Japan.