| (Wife) |
Teruharu Kosukegawa (son)
He is the unnamed father to Teruharu Kosukegawa, one of the protagonist of the series
Kousukegawa's father is always away from home, because of work, so he is not shown until he finds his son a future bride. He and one of Motoko Gettou's fathers, Tatsuya Rukawa become friends after being confronted by a bear. Tatsuya liked his bravery and they share the bear as a meal, which had them decide to marry their children together.