1boy, 2girls, 4koma, =_=, alternate_costume, animal_ears, black_hair, blush, cheerleader, comic, cosplay, horse_ears, horse_girl, horse_tail, long_hair, marvelous_sunday_(umamusume), medium_hair, midriff, multiple_girls, navel, nice_nature_(run&win)_(umamusume), nice_nature_(umamusume), nice_nature_(umamusume)_(cosplay), rappa_(rappaya), red_hair, t-head_trainer, tail, trainer_(umamusume), umamusume