1girl :d ?? aluce animal_costume antlers beatrice bell blonde_hair blue_eyes blush_stickers christmas dress fake_antlers hat highres merry_christmas open_mouth red_hair reindeer_antlers reindeer_costume sack santa_costume santa_hat shaded_face sitting sitting_on_person smile string_of_flags striped striped_legwear thighhighs umineko_no_naku_koro_ni ushiromiya_battler