yamaboshi ryuu, marvelous sunday (umamusume), umamusume, highres, + +, 1girl, animal ears, black hair, black pantyhose, blush, breasts, cleavage, cleavage cutout, clothing cutout, dress, drill hair, drill sidelocks, fang, hair ornament, hairband, horse ears, horse girl, horse tail, large breasts, long hair, long sleeves, looking at viewer, open mouth, pantyhose, red hairband, red ribbon, ribbon, sidelocks, sitting, skin fang, smile, solo, sweater, sweater dress, tail, twin drills, twintails, wariza, white sweater, yellow eyes