Favaro Leone travels the land, collecting bounties while avoiding a rival bounty hunter. But his life changes when he encounters a mysterious girl from the sky…

Favaro tries everything possible to remove his newly-acquired demon tail. Meanwhile, an elite band of knights is sent to retrieve Amira's God Key.

Kaisar looks death in the eyes when protecting Charioce XVII from Jeanne and Azazel. Meanwhile, Bahamut unleashes a torrent of destruction across the world. As the end draws near, difficult decisions become inevitable.