sincos, belno light (umamusume), umamusume, umamusume: cinderella gray, absurdres, highres, 1girl, :t, animal ears, bell, belt, bound, breasts, covered groin, dress, hair ornament, hat, horse ears, horse girl, horse tail, interlocked fingers, kneehighs, large breasts, looking at viewer, neck bell, santa costume, santa dress, santa hat, short hair, simple background, socks, solo, striped hair, tail, thighs, tied up (nonsexual), white background