An unnamed Yakou fanatic who was also a Mystical Investigator, Douman led him to think he was Hishamaru's reincarnation and presented him with a fake 'Kakugyouki' which was in fact a manmade shikigami. In Episode 5, he reveals himself and try to awake Yakou with Natsume. He tried to kill Harutora because he thought that he was unworthy for the North Star King (Yakou). He ultimately ends up captured by Jin Ohtomo and reveals that many Yakou Fanatics are inside the Onmyo Agency.
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