Maou (aka the Devil King) and Emi (aka Emilia the Hero) have arrived from another world--and now they're in high school! Things are crazy enough already with classmate Chiho's ongoing crush on Maou, but are these kids going to be ready when a little girl shows up on Maou's doorstep and calls him "papa"?

In this spin-off of the popular novel series, the Devil King Maou and Emilia, the Hero, are reincarnated after their terrible battle as high school students in modern-day Japan! Add in the innocent Chiho, a fellow student with a crush on the former lord of darkness, and you've got a high school comedy devilish in its scale!

The Devil King and the Hero clash in an epic battle--in high school? Maou and Emi's latest feud centers on the race for student council president. The day of the election has arrived, but what will happen when the truth of Chiho's long-held crush on Maou comes to light? If only high school were as easy as a demonic reign of terror!

Do you want fries with your hellfire? Being soundly thrashed by the hero Emilia, the Devil King and his general beat a hasty retreat to a parallel universe...only to land smack in the middle of bustling, modern-day Tokyo! Lacking the magic necessary to return home, the two are forced to assume human identities and live average human lives until they can find a better solution. And to make ends meet, Satan finds gainful employment at a nearby fast food joint! With his devilish mind set on working his way up the management food chain, what will become of his thirst for conquest?!

The Devil King and the Hero have found themselves flung from their world into ours--now they're just Maou and Emi, high school students in modern Japan. They've both got their sights set on becoming president of the student council, and sparks fly as their campaigns get rolling! But when the two get a little too up in each other's faces at the summer festival, their fellow student Chiho (with her crush on Maou) can remain silent no longer! Is there more between these two than they're willing to admit even to themselves?

Do you want fries with your hellfire? Sadao Maou, the Devil King, has finally been promoted to store manager! And who should move in next door to his fortress (actually a tiny studio apartment in a dingy walk-up) but a lovely kimono-wearing lass. But the former devil-crushing hero Emi Yusa is none too pleased with this turn of events, to say nothing of high schooler Chiho Sasaki, who's still nursing a terrible crush on the Devil King. Meanwhile a Sentucky Fried Chicken has opened up right across the street from Maou's beloved MgRonald! It's the first real test of his managerial prowess, and he's facing a pay cut unless he can top Sentucky's sales! Between the two new neighbors, the Devil King's troubles are anything but part-time!

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?