2girls, absurdres, animal_ears, arm_up, black_hair, blurry, blurry_background, blush, braid, breasts, brown_hair, copano_rickey_(umamusume), hair_between_eyes, hair_ornament, hat, highres, hokko_tarumae_(umamusume), horse_ears, horse_girl, long_hair, medium_breasts, multiple_girls, purple_eyes, red_eyes, sack, santa_costume, sodemaru_unagi, twin_braids, umamusume