1girl, barefoot, blue_archive, blush, christmas, christmas_ornaments, christmas_tree, feet, foot_focus, foreshortening, gloves, hair_ribbon, halo, hinosaki, no_shoes, official_alternate_costume, pink_hair, red_eyes, red_headwear, ribbon, serina_(blue_archive), serina_(christmas)_(blue_archive), soles, solo, toes