Young Ace
A manga adaptation illustrated by Hiro Kiyohara was serialized between the May 2010 and January 2012 issues of Kadokawa Shoten's "Young Ace" magazine. Four "tankōbon" volumes were released between October 4, 2010 and December 29, 2011. A "0th" volume of the manga was released on May 26, 2012, compiling two extra chapters published in "Young Ace" on December 28, 2011 and February 3, 2012. Yen Press has licensed the original four-volume manga in North America and released it as an omnibus.