1girl, animal_ears, bikini, black_bikini, black_hair, blush, braid, breasts, chibi, closed_mouth, ear_ornament, hand_up, horse_ears, horse_girl, horse_tail, large_breasts, looking_at_viewer, mejiro_ramonu_(umamusume), mole, mole_under_eye, multicolored_hair, navel, ocean, one_eye_closed, outdoors, purple_eyes, round_image, skindentation, sky, smirk, solo, star_(sky), starry_sky, streaked_hair, swimsuit, tail, thighs, twilight, two-tone_bikini, umamusume, wading, warashi, water