1girl, amatsukaze_(kancolle), ass, bikini, black_bikini, brown_eyes, chigasaki_yukari, cowboy_shot, frilled_bikini, frills, grey_hair, hair_tubes, kantai_collection, long_hair, looking_at_viewer, side-tie_bikini_bottom, simple_background, solo, standing, swimsuit, two_side_up, white_background