Aoi is a young girl of average height. She has deep blue eyes that fade to a lighter blue at the bottom, along with white rectangular pupils. Her straight black hair is parted with a fringe, and she wears twin-tails. Aoi dons the standard Demon Slayer uniform, with the addition of a white nurse dress on top of it. She ties a blue sash around her waist. Often seen with a frown, her appearance reflects her serious demeanor Aoi is tough, uncompromising, and strict. She maintains efficient