terimuku, kitasan black (umamusume), umamusume, commentary request, highres, 1girl, ;d, ahoge, animal ears, bare shoulders, black hair, black sleeves, black thighhighs, blush, breasts, brown skirt, character name, cleavage, cleavage cutout, clothing cutout, dated, detached sleeves, hair between eyes, hair ornament, happy birthday, horse ears, horse girl, horse tail, long sleeves, looking at viewer, medium breasts, multicolored hair, one eye closed, open mouth, outstretched arm, pleated skirt, red eyes, skirt, smile, solo, streaked hair, tail, thighhighs, two side up, white hair, wide sleeves, zoom layer