unjou takehiro, hatsune miku, kagamine len, kagamine rin, kaito (vocaloid), megurine luka, meiko (vocaloid), vocaloid, bad id, bad pixiv id, 2boys, 4girls, animal ears, bell, blonde hair, blue eyes, blush, bow, cat ears, cat tail, christmas, collar, crossdressing, elbow gloves, embarrassed, gloves, hair bow, hair ornament, hairclip, hat, jingle bell, multiple boys, multiple girls, neck bell, number tattoo, paw print, red gloves, reindeer, santa costume, santa hat, shoulder tattoo, tail, tattoo, thighhighs, trap