Kouhei (康平) is a supporting character in the Garden of sinners Chapter 3: ever cry, never life. (Remaining Sense of Pain), voiced in Japanese by Yuuichi Nakamura. The series' music includes "Garden of Sinners 3: Remaining Sense of Pain OST - 09-M12", "The Garden of Sinners Chapter 3: Remaining Sense of Pain - Reheated Review #117".
