2girls, alternate_costume, arm_warmers, artist_name, backless_dress, backless_outfit, bat_wings, blonde_hair, blue_hair, bow, breasts, christmas, christmas_ornaments, christmas_tree, cleavage, closed_mouth, cropped_legs, crystal, dress, flandre_scarlet, gift, hat, hat_bow, hat_ribbon, holding_hands, looking_at_viewer, medium_hair, mob_cap, multiple_girls, niseneko_(mofumofu_ga_ienai), pointy_ears, pom_pom_(clothes), red_bow, red_dress, red_ribbon, remilia_scarlet, ribbon, siblings, sisters, smile, snowman_hat_ornament, thighhighs, touhou, white_headwear, white_thighhighs, wings