amaxa, oguri cap (umamusume), umamusume, umamusume: cinderella gray, absurdres, commentary request, highres, 1girl, ahoge, animal ears, arms behind back, black shirt, blue eyes, breasts, brooch, clothing cutout, grey hair, grey leotard, grey tail, hair between eyes, hair ribbon, hip vent, horse ears, horse girl, horse tail, jewelry, leotard, long hair, long sleeves, neckerchief, oguri cap (cinderella gray) (umamusume), ponytail, red neckerchief, ribbon, shirt, shorts, simple background, solo, star brooch, tail, tying hair, upper body, white background