1girl, animal_ears, blush, brown_eyes, brown_hair, dress, dress_tug, flying_sweatdrops, fur-trimmed_dress, fur_trim, grey_hair, hat, hiyo_(2016.10), horse_ears, horse_girl, horse_tail, long_hair, low_ponytail, multicolored_hair, nose_blush, open_mouth, ponytail, red_dress, red_headwear, santa_costume, santa_hat, sleeveless, sleeveless_dress, solo, sweat, tail, teeth, two-tone_hair, umamusume, upper_teeth_only, very_long_hair, vodka_(umamusume)