1girl, animal_ear_fluff, animal_ears, ass, bad_twitter_id, blue_archive, blue_eyes, blush, competition_swimsuit, from_behind, grey_hair, halo, light_smile, looking_at_viewer, masabodo, official_alternate_costume, one-piece_swimsuit, shiroko_(blue_archive), shiroko_(swimsuit)_(blue_archive), simple_background, solo, swimsuit, white_background, wolf_ears