1girl, alternate costume, animal ears, aqua ribbon, blush, dress, ear ribbon, flower, hair flower, hair ornament, horse ears, horse girl, horse tail, long hair, looking at viewer, mejiro mcqueen (umamusume), ningen mame, open mouth, partially submerged, purple eyes, purple hair, ribbon, sitting, solo, tail, thighs, umamusume, wariza, water, white dress