Hibiki has tanned skin, long black hair tied in a wild ponytail and green eyes. She usually wears hoop earings, a white shirt with flannel sleeves and a blue-green in-shirt. she also dons black shorts and brown sandals. Hibiki is from Okinawa and has an entire army of pets, the closest of these being her pet hamster Hamuzou. In the anime, Hamuzou sometimes whispers information into her ear while standing on her shoulder.