The series follows the exploits of a human hero and the queen of demons who join forces to bring peace and prosperity to their war-torn world.

She explains how a sudden end to the war can bring further chaos to the world as the Humans, once united to stand against their common enemies, would eventually begin fighting among themselves, with similar issues already occurring in the Demon Realm.

Convinced by her words, the Hero joins forces with the Queen, and together they execute a plan to bring prosperity and a lasting peace to both Humans and Demons alike.

", illustrated by Akira Ishida, was published in English digitally by Kadokawa Shoten, with the first two volumes made available on BookWalker on December 24, 2014.

[11] A 12-episode anime television series adaptation, directed by Takeo Takahashi and produced by Arms, aired in Japan on January 5 to March 30, 2013 on Tokyo MX.