1girl, animal_ears, bell, blush, bow, bowtie, braid, breasts, brown_hair, christmas, cleavage, closed_mouth, dress, embarrassed, frown, fur_collar, half-closed_eyes, hand_on_own_chest, hat, holly, horse_ears, horse_girl, long_hair, looking_at_viewer, neck_bell, off-shoulder_dress, off_shoulder, orange_eyes, red_bow, red_bowtie, red_sleeves, santa_costume, santa_dress, santa_hat, satono_diamond_(umamusume), snowflakes, solo, taku_(312nismo1), tilted_headwear, umamusume, very_long_hair