1girl, air_bubble, animal_ears, azur_lane, blue_one-piece_swimsuit, breasts, bubble, cat_ears, cat_girl, cat_tail, collar, diving, freediving, i-19_(azur_lane), jacket, large_breasts, light_rays, long_sleeves, ocean, one-piece_swimsuit, oppai_loli, red_hair, ribbon, school_swimsuit, sleeves_past_wrists, solo, submarine, submerged, sunlight, swimsuit, tail, tail_ornament, tail_ribbon, underwater, watercraft, y2