1girl, ahoge, ameria_(artist), animal_ears, arm_at_side, bikini, bikini_shorts, black_bikini, bracelet, breasts, brown_hair, cowboy_shot, day, glint, hand_in_own_hair, hand_on_own_hip, horse_ears, innertube, jewelry, long_hair, looking_at_viewer, nakayama_festa_(entrust_myself_to_the_dice)_(umamusume), nakayama_festa_(umamusume), navel, necklace, official_alternate_costume, outdoors, purple_eyes, shorts, small_breasts, smile, solo, standing, sunlight, swimsuit, teeth, twitter_username, umamusume, wet