Monthly Comic Alive
The manga was announced simultaneously with the anime adaptation, on the wraparound jacket of the fourth light novel volume. Artist Kōtarō Yamada launched the series in Media Factory's "Monthly Comic Alive" magazine on March 27, 2009. The ninth volume announced in February 2015 that the series would end in its tenth volume, and the last chapter was published in the magazine's March issue on January 27, 2016.