1girl, alternate_costume, animal_ears, blush, braid, breasts, brown_hair, cleavage, ear_ornament, hair_between_eyes, hair_ornament, half_updo, hat, heart, horse_ears, horse_girl, horse_tail, long_hair, medium_breasts, santa_hat, satono_diamond_(umamusume), simple_background, solo, sugi_(user_nash8444), tail, umamusume, very_long_hair, white_background, yellow_eyes