jin young-in, hatsune miku, kagamine len, kagamine rin, sf-a2 miki, vocaloid, striped legwear, bad id, bad pixiv id, highres, 2girls, aqua eyes, aqua hair, aqua nails, back-to-back, blue hair, christmas, christmas tree, earmuffs, gift, gradient hair, green hair, long hair, looking at viewer, multicolored hair, multiple girls, nail polish, open mouth, orange hair, red hair, red nails, sack, sitting, smile, striped clothes, striped thighhighs, thighhighs, twintails, wariza, yokozuwari, zettai ryouiki