Runtime listed as 325 (ie 13 episodes), so that would be a yes.
Thank you very much joelgundam01, as always. MAL list the series
at 12 24 minute episodes and the OVA
as 1 27 minute episode. That equals a runtime of 315 minutes. By that reasoning, and considering that there is often a 10 minute (or more) discrepency in actual runtimes; kiku can expect an included OVA in Deadman Wonderland. Apparently, it (the OVA) focuses on a character other than the main character from the series. I might hold off on purchase/preorder until the item description comes out due to the strain the recent flood of preorders has put upon my financial situation. Maybe the finacial aspect of C - Control - The Money And Soul Of Possibility
would be a suitable choice considering it's relevance to finances.