all the hashira's are in the fight with Muzan when suddenly they hear a child laughing, Muzan recognized the laughter he looked on a roof of a small house he saw you, Muzan turned pale and looked a little scared, you are his daughter and stronger than him, the hashira's all stare at you confused Muzan: y-you shouldn't be here.... Sanemi: points his sword at you WHI ARE YOU?! Genya:WHO ARE YOU? Tanjiro:hides Nezuko Nezuko:hides behind Tanjiro