3girls ^_^ ^o^ arm_up bad_id bad_pixiv_id belt blonde_hair bow bow_legwear building christmas christmas_tree closed_eyes copyright_request crop_top elf feathers hat midriff mittens multiple_girls navel night outdoors pointy_ears red_mittens ribbon-trimmed_legwear ribbon_trim ryuuzaki_ichi sack santa_costume santa_hat shooting_star sky smile solo_focus thighhighs zettai_ryouiki