Seijō Clan

The Seijō Clan is a clan that rivals the Otsutsuki clan. It is a clan originating from another world, having arrived at the Earth about A few thousands of years before the Otsutsuki Clan came to earth. Several members of this clan have heavily influenced the Otsutsuki Clan often seeking to kill them whenever they had a chance. Nothing is known of where they come from but They specialize toward Dark Justus.