Opera has red hair with a straight-cut fringe and a short plait. They have a pair of red, cat-like hairs protruding from their hair, in addition to the second, elf-like pointed ears they possess. They have red eyes, small thick black eyebrows, and a pale complexion. They also have a black, cat-like tail. They often wear formal attire, particularly a red vest over a white shirt, a striped red and white tie, and navy dress pants.