Do you want fries with your hellfire? With their modifications to turn Devil s Castle into a rocket ship finally complete, Maou and the rest of the Ente Islans prepare to mount an assault on heaven. Before that happens, though, there s something the Devil King needs to take care of-fessing up to Chiho s dad about just what the heck he s roped her into! What revelations await Maou and company high above the sky? Can they really take down a god? And at the end of it all, what will become of the lives they ve worked so hard to scrape together in Japan?