2girls, agnes_tachyon_(umamusume), alternate_costume, alternate_hairstyle, animal_ears, blush, breasts, brown_eyes, brown_hair, cleavage, daiwa_scarlet_(umamusume), hahakigi, hair_between_eyes, horse_ears, horse_girl, horse_tail, huge_breasts, large_breasts, long_hair, medium_breasts, medium_hair, multiple_girls, santa_costume, tail, thighs, tiara, umamusume, white_background