1girl, animal_ears, ass, aston_machan_(umamusume), black_thighhighs, blush, breasts, brown_hair, buruma, closed_mouth, cowboy_shot, crown, finger_to_mouth, from_behind, green_eyes, horse_ears, horse_girl, horse_tail, lens_flare, looking_at_viewer, looking_back, medium_breasts, medium_hair, original_race_uniform_(umamusume), ponytail, shirt, short_sleeves, shushing, skindentation, smile, solo, standing, tail, tail_through_clothes, thighhighs, umamusume, white_shirt, yami_anko