matty (matsutomo), dantsu flame (umamusume), umamusume, absurdres, commentary request, highres, 1girl, ahoge, animal ears, bandeau, bare shoulders, blush, box, breasts, brown eyes, brown hair, christmas, detached collar, ear covers, fur-trimmed gloves, fur collar, fur trim, gift, gift box, gloves, hair between eyes, horse ears, horse girl, large breasts, looking at viewer, lying, midriff, open mouth, red bandeau, red gloves, red skirt, santa costume, skirt, smile, solo, white hair