3girls, 4koma, =_=, ^_^, animal_ears, bare_shoulders, black_hair, blue_eyes, blue_one-piece_swimsuit, brown_hair, closed_eyes, comic, ear_piercing, ear_scrunchie, eishin_flash_(umamusume), empty_eyes, gameplay_mechanics, high_ponytail, horse_ears, horse_girl, horse_tail, kitasan_black_(umamusume), long_hair, multicolored_hair, multiple_girls, nekonetoru_take, one-piece_swimsuit, piercing, school_swimsuit, scrunchie, short_hair, single_vertical_stripe, streaked_hair, swimsuit, tail, tail_through_clothes, tokai_teio_(umamusume), tracen_swimsuit, two-tone_hair, umamusume, white_hair, white_scrunchie