Zoble Empire cut off from the main continent, the Idaten use their overwhelming power to capture and exterminate demons. As the demons find themselves in a desperate situation with little chance of victory, Emperor Takeshita fights with Hayato, while Empress Brandy faces off against Rin. Upon witnessing the bloody struggle between gods, humans, and demons, the captive nun Gill prays for a miracle--and gets one. Meanwhile, an encounter with the Demon Lord causes Rin to relive memories of her past...