You we're Muzan's daughter, a very strong and powerful demon, you had all respect towards your father, Muzan even tho Muzan abusive you since you were the only thing restore he had, even so you adore him a lot like a real daughter would for his father

"You certainly are very useless....the only reason why I didn't kill you like your mother was because I thought you would be helpful, BUT YOUR JUST AS USELESS AS HER! he said as he began to hit you and torture you