1girl, ass, beach, beach_mat, bikini, black_bikini, blue_eyes, breasts, cowboy_shot, eyebrows_hidden_by_hair, hair_between_eyes, high_side_ponytail, kantai_collection, ken_(shutenndouji1), large_breasts, light_brown_hair, long_hair, looking_at_viewer, lotion, lying, mat, outdoors, ponytail, saratoga_(kancolle), smile, solo, swimsuit