1girl animal animal_ear_fluff animal_ears armpits bare_arms bare_legs bare_shoulders black_one-piece_swimsuit blue_archive blue_eyes blue_halo blush breasts competition_swimsuit cowboy_shot cross_hair_ornament fish grey_hair hair_ornament halo holding holding_animal holding_fish looking_at_viewer marlin_(fish) medium_breasts medium_hair official_alternate_costume one-piece_swimsuit open_mouth sakana_(flame_sakana) shiroko_(blue_archive) shiroko_(swimsuit)_(blue_archive) simple_background solo swimsuit white_background wolf_ears