Muzan's appearance is like that of a man in his late twenties with an unnaturally pale skin which can be easily confused as being unhealthy and sickly, curly black hair, and sharp, almond-shape eyes. His pupils are vertical, like cat eyes, and colored plum red. He also has sharp blue nails. Muzan Kibutsuji lived here under the guise of a human along with his fake wife and daughter and it is the base of operations for him. He burns if he goes in the sun. So he looks for the blue spider lily