onikobe rin, symboli kris s (umamusume), umamusume, 1girl, alternate costume, animal ears, artist name, black pants, black shirt, black shoes, brown hair, chibi, closed eyes, cross hair ornament, dancing, dark-skinned female, dark skin, ear ornament, eyelashes, hair ornament, high ponytail, horse ears, horse tail, leg up, long hair, long sleeves, loose hair strand, no mouth, pants, ponytail, shirt, shoes, signature, simple background, solo, split ponytail, tail, very long hair, watermark, white background