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Found Mehrennenka~~

http://i286.photobucket.com/albums/ll108/beto320/pso20130108_003454_000_zps7297aac3.jpg

Indeed, there isn't any 9-star rod listed on the wiki currently as you can see in the following link http://pso2.swiki.jp/index.php?%E3%83%AD%E3%83%83%E3%83%89, though it might be a drop that hasn't...