 As of March 2015, eighteen volumes have been released.A manga adaptation drawn by Yōhei Takemura started serialization in the September 2011 issue of "Jump Square", with several spin-off manga series also launching in the same year.An anime television adaptation by Feel aired in Japan between January 11, 2012 and March 27, 2012, with an original video animation released on June 25, 2013.