Aoi is (160 cm) 5'3", making her the shortest female in Danganronpa: Trigger Happy Havoc and weighs around 50kg with a lean but curvaceous build. She has brown skin, blue eyes, and wears her brown hair in a very high curled ponytail accessorized with a paperclip-style barette. She wears Hope's Peak Academy-branded blue dolphin hotpants and green sneakers, a white tank top, and a red tracksuit jacket.