Teruo Yūdai (輝夫 雄大, Yūdai Teruo) is a former Shinigami of the Onmitsukidō who once served under the leadership of Koichi Hiroshi. His younger brother, Shigeru Yuudai, was also a member of the group and both once serve under Yoshiro Kazuki as member's of his Rukon Patrol Team during the initial stages of the war with Averian and his army.