sumikawa (sumikawa8v), biwa hayahide (pf. winning equation...) (umamusume), biwa hayahide (umamusume), umamusume, 1girl, ahoge, animal ears, arm under breasts, black shirt, black shoes, black thighhighs, blush, breasts, chibi, chibi only, closed mouth, collared shirt, ear ornament, full body, garter straps, glasses, grey hair, hair ornament, horse ears, horse girl, horse tail, jacket, large breasts, long hair, long sleeves, looking at viewer, neck ribbon, purple jacket, purple skirt, red-framed eyewear, red ribbon, ribbon, semi-rimless eyewear, shirt, shoes, skirt, solo, tail, thighhighs, white hair, yellow eyes