1girl, arched_back, arm_rest, ass, back, bare_shoulders, bathing, bikini, black_bikini, black_hair, branch, breasts, bush, cherry_blossoms, closed_mouth, flower, from_behind, hair_between_eyes, kantai_collection, kasumi_(skchkko), lamp, large_breasts, looking_at_viewer, looking_back, nagato_(kancolle), oil-paper_umbrella, onsen, outdoors, petals, petals_on_liquid, red_eyes, smile, solo, swimsuit, tree, umbrella, water, wet