1girl, alternate_costume, animal_ears, breasts, brown_eyes, brown_hair, cleavage, clothing_cutout, horse_ears, horse_girl, king_halo_(umamusume), large_breasts, long_hair, looking_at_viewer, lying, navel_cutout, on_side, pantyhose, playboy_bunny, rabbit, solo, tabunshake, umamusume