新房昭之
is an anime adaptation of the manga of the same name which was written by Hikaru Nakamura. The anime is produced by Shaft and directed by Akiyuki Shinbo. The anime adaptation was announced in August 2009, and aired on TV Tokyo between April 4, 2010 and June 28, 2010. A second season, titled , aired in Japan between October 3, 2010 and December 26, 2010.