Kuromu wears a violet-colored wig, which turns gold at the ends, and is cut in a rough bob style at the front, with a long ponytail at the back. It also has horns that are long and curled. She wears a typical idol dress, with a puffed pink and blue skirt, and a black and purple corset. Around her neck hangs a purple bat-wing suit tie fastened with a pink bow tie. She also wears thigh-high white stockings. Kuromu is bold and outspoken, sometimes even referred to as selfish or a diva.