MF文庫J
is a Japanese light novel series written by Hisashi Suzuki and illustrated by Lunalia. Twelve volumes have been published by Media Factory since November 25, 2011 under their MF Bunko J label. A manga adaptation by You Ibuki started serialization in the manga magazine "Monthly Comic Gene" on April 15, 2013 and Kadokawa made the English digital volumes available on BookWalker on October 29, 2015. A 12-episode anime television series adaptation by Madhouse originally aired between January 9 and March 27, 2014.