1girl, animal_ears, aston_machan_(umamusume), bad_twitter_id, beach, bikini, blush, breasts, brown_hair, cloud, cloudy_sky, day, frilled_skirt, frills, green_eyes, horse_ears, horse_girl, horse_tail, kokage_yugure, looking_at_viewer, medium_breasts, medium_hair, ocean, opening_eyes, outdoors, pov, see-through, skirt, sky, solo, squatting, swimsuit, tail, umamusume