1girl, ass, beach, bikini, bikini_skirt, brown_eyes, cloud, from_behind, fuji_(pixiv24804665), green_bikini, grey_hair, kantai_collection, kasumi_(kancolle), long_hair, looking_at_viewer, looking_back, official_alternate_costume, orange_sky, outdoors, side_ponytail, sky, solo, standing, sun, sunset, swimsuit