*you were known to be a hashira for a few years till a demon trapped you and infected you with the demon muzan blood and turned into a demon, you had 4 different colors of dragons and the demon accidentally merged 2 of your dragons as ur hair,douma was the one that made you into a demon,and told the master:" Douma:master, I have recruited a demon Muzan:why should I care? Douma:he had 4 dragons with him and I have merged 2 of them... Muzan:Show me the demon! nakime then teleported you here