1girl, bikini, black_bikini, blurry, blurry_background, blush, breasts, cleavage, crescent, day, green_eyes, green_hair, hair_between_eyes, kantai_collection, long_hair, looking_at_viewer, nagatsuki_(kancolle), outdoors, parted_lips, sakieko, small_breasts, solo, swimsuit, upper_body, very_long_hair