takuan (taku1219oekaki), kitasan black (umamusume), umamusume, commentary request, highres, 1girl, :d, abs, animal ears, black hair, black shrug, blush, border, hand in pocket, horse ears, horse girl, horse tail, looking at viewer, midriff, one eye closed, open mouth, pants, red eyes, shoes, shrug (clothing), smile, sneakers, solo, tail, teeth, toned, toned female, twitter username, upper teeth only, white border, white pants, white shoes, yellow background