2girls, @_@, ahoge, animal_ears, black_hair, blush, breasts, brown_hair, christmas_tree, cleavage, crouching_start, detached_sleeves, embarrassed, gloves, horse_ears, horse_girl, horse_tail, kitasan_black_(umamusume), long_hair, medium_breasts, multiple_girls, one_eye_closed, pantyhose, red_eyes, santa_costume, satono_diamond_(umamusume), tail, thighhighs, umamusume, yellow_eyes