1girl, animal_ears, ass, bikini, bikini_pull, black_bikini, blue_bow, blush, bow, breasts, clothes_pull, covered_nipples, ear_bow, horse_ears, horse_girl, long_hair, looking_at_viewer, louche, lying, mejiro_mcqueen_(umamusume), navel, on_back, parted_bangs, purple_eyes, purple_hair, small_breasts, solo, spread_legs, straight_hair, swimsuit, umamusume