1girl, alternate_costume, atago_(kancolle), beach, bikini, blonde_hair, blue_sky, blurry, blurry_background, breasts, cloud, cloudy_sky, collarbone, cowboy_shot, day, flower, green_eyes, hair_between_eyes, hair_flower, hair_ornament, holding, holding_innertube, innertube, island, kantai_collection, large_breasts, long_hair, looking_at_viewer, navel, nitamako_(sakamalh), ocean, open_mouth, outdoors, sand, sky, smile, solo, swimsuit, water, yellow_bikini