1girl, animal_ears, ass, bad_twitter_id, black_hair, blue_one-piece_swimsuit, blush, competition_school_swimsuit, from_behind, hat, hokuyukis, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, looking_back, one-piece_swimsuit, pantyhose, pantyhose_under_swimsuit, purple_eyes, rice_shower_(umamusume), school_swimsuit, single_vertical_stripe, solo, swimsuit, tail, tail_through_clothes, tracen_swimsuit, umamusume, white_background