1girl, alternate_costume, animal_ears, blurry, blurry_background, blush, breasts, brown_hair, christmas, cleavage, daiwa_scarlet_(scarlet_nuit_etoile)_(umamusume), daiwa_scarlet_(umamusume), fang, gloves, hair_between_eyes, hair_intakes, hair_ornament, horse_ears, horse_girl, large_breasts, liukensama, long_hair, looking_at_viewer, official_alternate_costume, official_alternate_hairstyle, open_mouth, red_eyes, ribbon, santa_costume, solo, tiara, umamusume, very_long_hair