aruka_(alka_p1), highres, 1girl, animal_ear_fluff, animal_ears, bell, blue_eyes, blush, christmas, christmas_ornaments, dress, hair_between_eyes, hat, holding, holding_sack, long_hair, red_dress, red_hat, sack, santa_costume, santa_hat, sleeveless, sleeveless_dress, solo, white_hair, hibiki_(kancolle), verniy_(kancolle), kantai_collection, year_2021, 