niwatori kokezou, izumi yuki (heaven burns red), kayamori ruka, heaven burns red, commentary request, 1girl, animal costume, antlers, bell, bikini, blush, breasts, character doll, christmas, cleavage, closed mouth, collarbone, doll, earrings, fur-trimmed headwear, fur trim, glasses, green eyes, grey hair, hair over shoulder, hat, highleg, highleg bikini, holding, holding doll, horns, jewelry, large breasts, long hair, looking at viewer, merry christmas, navel, purple hair, red bikini, reindeer costume, round eyewear, santa bikini, santa costume, santa hat, simple background, sitting, smile, solo, swimsuit, white background