hiiragi no1, katsuragi ace (umamusume), mr. c.b. (umamusume), symboli rudolf (christmas emperor tree) (umamusume), symboli rudolf (umamusume), umamusume, 3girls, alternate costume, animal costume, animal ears, antlers, artist name, black corset, black hair, black tail, brown hair, brown tail, capelet, christmas tree, christmas tree costume, corset, covering own face, dress, fake antlers, fur-trimmed capelet, fur-trimmed dress, fur trim, gloves, green eyes, hair between eyes, horns, horse ears, horse girl, horse tail, long hair, looking at another, merry christmas, multicolored hair, multiple girls, ponytail, purple eyes, red capelet, red gloves, red thighhighs, reindeer antlers, reindeer costume, santa costume, santa dress, streaked hair, tail, thighhighs, white hair