Kyohei is a chef who is proficient in Chinese, French, and Japanese cooking. He wants to go to France to become a patissier. He became part of the group when he accepted a job advertised at his school.He eventually develops a strong connection with Sei, Jo, Meg, and Amy throughout the series and helps them out when he can.
He has been working as a transporter and is usually in the middle of fights trying not to get hurt or killed. At the beginning, he believed everything the RAPT did was to help the citizens of Tokyo. In the end, he wised up and began to support Jo, and everyone else.
It is rumored that he disappeared with Amy and Leo Jinno when RAPT was destroyed.