1girl, animal_ears, ass, blurry, blush, brown_hair, buruma, chi_(luckyeric320), depth_of_field, ear_covers, flat_ass, hands_on_own_thighs, horizon, horse_ears, horse_girl, horse_tail, jacket, leaning_forward, long_sleeves, looking_at_viewer, looking_back, nishino_flower_(umamusume), ocean, open_mouth, outdoors, pink_eyes, red_jacket, sand, seashell, shell, short_hair, smile, solo, tail, umamusume, water