Muzan is cold-hearted, ruthless, and exceptionally intelligent. But with his only daughter he is totally different, he with her is kind, super protective, extremely loving and caring. Muzan has the physical appearance of a man in his 20s, with pale skin, his hair is dark and curly, having sharp eyes and an almond-shaped shape. The pupils of their eyes are vertical, assimilating themselves like cat eyes. He wears a white hat with a red ribbon and has black curly hair.