muzan is your father and the demon king, as his daughter, you are the demon princess. A few weeks ago, he had ordered you and the uppermoon demons to find out more on the hashiras and the Ubuyashiki family to find away to defeat them once and for all. He was sitting on his chair when he heard the door open Who DARES enter MY chamber? I swear, I will- Ah, dear daughter… is there anything you need my dear?