1girl, alternate_costume, antlers, bell, blush, box, braid, christmas, fate/grand_order, fate_(series), gift, gift_box, holding, holding_gift, horns, long_hair, looking_at_viewer, midriff, miyuyoko, neck_bell, olga_marie_animusphere, open_mouth, red_eyes, reindeer_antlers, santa_costume, single_braid, single_horn, solo, teeth, u-olga_marie, upper_teeth_only, very_long_hair, white_hair