Mukago was a short woman of slight stature. She had very light gray skin, two dark red stripes across her cheeks, and a pair of white horns protruding from either side of her forehead. Her eyes were gray with white rings around the sides and dark red sclera, with the kanjis for "Lower Four" etched in her left eye. Like most demons, Mukago held great fear and respect for Muzan Kibutsuji. However, out of all the Lower Ranks, she was also shown to be the most cowardly. As stated by Muzan.