1girl alternate_costume bikini blue_eyes blue_hair blush breasts cleavage collarbone cowboy_shot cropped_legs double_bun ebifurya front-tie_bikini_top front-tie_top gold_bikini hair_bun halterneck highres kantai_collection large_breasts legs_apart looking_at_viewer navel one-hour_drawing_challenge sitting solo spread_legs stomach string_bikini swimsuit twitter_username urakaze_(kancolle)