Kiyohiko has dark brown hair and chocolate brown eyes. In the first time Hidenori and he met, he was wearing a brown jacket over a black shirt. He also wore blue shorts that reached above his knees and what he wears on his feet was not shown.
- He seems to have a crush on Emi despite being always hit by her.
- Because of this, he also wants to hit Emi but is afraid to do so.