The 15th edition of Keiji Gotoh's Gocky Club doujin was released today (well, yesterday now, in my time zone at least) and there are already copies up for sale on Yahoo Auctions along with a clear file. The book appears to contain sketches of the Uta Kata characters. For more information:
http://forums.thenexxus.org/index.php?showtopic=1955
