1girl, air_bubble, akashieru, blue_one-piece_swimsuit, bracelet, bubble, covered_navel, crop_top, day, fish, flower, freediving, hair_flower, hair_ornament, holding_breath, jewelry, kantai_collection, light_rays, ocean, old_school_swimsuit, one-piece_swimsuit, outdoors, reflection, ro-500_(kancolle), sailor_collar, school_swimsuit, signature, submerged, swimming, swimsuit, swimsuit_under_clothes, torpedo, underwater, water