1girl, adapted_costume, ball, barefoot, beach_umbrella, bikini, black_bikini, blue_sky, breasts, brown_hair, cloud, day, hair_flaps, hairband, kantai_collection, long_hair, outdoors, red_hairband, shiratsuyu_(kancolle), shiratsuyu_kai_ni_(kancolle), shorts, sitting, sky, soles, solo, swimsuit, toketa-sekai, umbrella, whistle, whistle_around_neck, white_shorts