1girl, amamiya_yuuko, beach, bikini, black_bikini, black_hair, blue_sky, blurry, blurry_background, breasts, chroemaguro, cloud, cowboy_shot, day, ef, front-tie_bikini_top, front-tie_top, innertube, long_hair, medium_breasts, navel, outdoors, red_eyes, side-tie_bikini_bottom, sky, smile, solo, swimsuit, white_headwear