Onobu appears as a secondary character. She is a young woman with pale fair skin and straight black hair styled in a Nihongami. Her hairstyle is adorned with hair ornaments including a tsumami kanzashi pin featuring buratsuki or shidare dangling elements, birabira kanzashi, and a kanoko piece at the base of her hair bun. She wears distinctive reddish lipstick applied specifically to her bottom lip. Her attire consists of various yukatas or kimonos across scenes, each secured with tied obi belts at the back, and she wears Geta footwear.