Antenmaru (闇天丸) was one of the strongest of the wrathful gods once sealed away by the Ketsuno clan's predecessors. Shirino Douman brought him back into this world to use his power to win against Ketsuno Seimei, however would be completely consumed by the demon god and was ultimately stopped by the combined efforts of the Ketsuno and Shirino clans along with the Yorozuya.