1girl, o, ahoge, animal_ears, ass, blue_eyes, blue_sky, blush, brown_hair, cloud, cloudy_sky, day, detached_sleeves, from_behind, grey_hairband, grey_leotard, grey_sleeves, grey_thighhighs, hairband, horse_ears, horse_girl, horse_tail, huziiro_matutya, lens_flare, leotard, long_hair, looking_at_viewer, looking_back, mihono_bourbon_(umamusume), open_mouth, outdoors, rigging, sky, sleeveless, solo, standing, tail, thighhighs, umamusume