1girl, 3, animal_ear_fluff, animal_ears, antenna_hair, bare_shoulders, belt, black_belt, braid, collarbone, crown_braid, dress, gift, hair_bun, hakui_koyori, hat, holding, holding_gift, hololive, koumimi, long_hair, looking_at_viewer, official_alternate_costume, pink_hair, purple_eyes, santa_costume, santa_dress, santa_hat, single_hair_bun, solo, virtual_youtuber, wolf_ears, wolf_girl