 The English dub of the series aired on Anime Network's VOD service from March 10, 2011 to May 26, 2011, and was made available on Microsoft's Zune Marketplace and Apple's iTunes Store on May 27, 2011 and June 27, 2011, respectively.An original video animation episode, titled "Drifters of the Dead", was bundled on Blu-ray with the limited edition release of the seventh volume of the manga on April 26, 2011.It was originally intended for a February release, but was pushed back.