kitasan black (umamusume), umamusume, anime screenshot, cropped, lowres, 1girl, ahoge, animal ears, armpits, arms up, black hair, breasts, cleavage, cleavage cutout, closed eyes, closed mouth, clothing cutout, detached sleeves, dot nose, ear ornament, female focus, horse ears, horse girl, japanese clothes, long sleeves, medium breasts, multicolored hair, short hair, solo, solo focus, streaked hair, two-tone hair, white streaks