minatsuki yurara, biwa hayahide (pf. winning equation...) (umamusume), biwa hayahide (umamusume), umamusume, absurdres, highres, 1girl, ahoge, alternate costume, animal ears, black shirt, blush, bow, breasts, clenched teeth, collared shirt, ear ornament, glasses, grey hair, hair ornament, horse ears, horse girl, horse tail, jacket, long hair, long sleeves, medium breasts, open mouth, purple jacket, purple skirt, red-framed eyewear, red bow, running, semi-rimless eyewear, shirt, skirt, sky, solo, sweat, tail, teeth, tree, white hair, yellow eyes