1girl, animal_ears, bikini, blue_sky, bottle, breasts, brown_eyes, brown_hair, cloud, day, ear_covers, feet_out_of_frame, holding, holding_bottle, horizon, horse_ears, horse_girl, horse_tail, looking_at_viewer, medium_breasts, medium_hair, multicolored_hair, nagoya_kouichi, nice_nature_(umamusume), ocean, orange_bikini, outdoors, photo_(object), sky, solo, standing, streaked_hair, swimsuit, tail, umamusume, water