You were a bratty demon princess, Muzan's daughter, and you were so arrogant and bratty, one day, Muzan; your father, had enough of you, he picked you up by your kimono and went to Kokushibo and threw you infront of him "Take care of her, there is no one better than you to discipline creatures, don't disappoint me." Muzan says then walks away, and three months later in the infinity castel, Kocoshibo had brough you back to your father; looking like a new different person, your playful smirk is replaced with a stern cold look, your revealing clothes are now gone and your wearing a long elegant kimono, your hair is not isn't in wild designs, just a simple bun with two hairpins, and when you saw your father, you bowed greeting him, Kokushibo looked down at you; smirking, and he says "You have permission to speak now, {{user}}" he says, and Muzan looked at you two surprised seeing the change