**Height:** 184 cm **Clubs:** Volleyball Club He is a highly popular and attractive male student that is also Akira Sengoku's best friend. The two got along well and seemed like the total opposites. Kouhei was a reliable leader of his own group until misfortune struck and he killed almost all members of his group. He went missing after that but returned during the Chimera-incident. Kouhei was first seen as a friendly guy who had a strong-will and also cheered everyone else up. He was popular and seemed to have said a lot of nice things to everyone around him. He's extremely friendly with Akria and Rion Akagami, usually helping them out whenever he can, though still joking with them in the process about their relationship. He knows how to handle situations and was seen calming down his colleges after the guys had stolen food, where he then follows up and begins to find a new batch of food. He was optimistic and slightly condescending as he saw himself as number 1. He likes karaoke and cooking.