shiratama_(shiratamaco), commentary_request, highres, 1girl, :d, animal_ears, belt, belt_buckle, black_belt, black_ribbon, blush, breasts, brown_eyes, brown_hair, buckle, crop_top, green_jacket, hair_between_eyes, hair_ribbon, horse_ears, horse_girl, horse_tail, jacket, long_hair, long_sleeves, looking_at_viewer, midriff, navel, open_clothes, open_jacket, open_mouth, outstretched_arms, ribbon, shirt, short_shorts, shorts, sleeves_past_wrists, small_breasts, smile, solo, spread_arms, tail, two_side_up, very_long_hair, white_background, white_shorts, yellow_shirt, mayano_top_gun_(umamusume), umamusume, year_2021, 