Do you want fries with your hellfire? A portal opens in the courtyard of the Devil´s Castle (a tiny walk-up). From it emerges a little girl who calls the Devil King ´papa´ and the Hero ´mama.´ Ashiya and Chiho are shocked to discover that Maou and Emi had that kind of relationship, but nobody´s more surprised than the two new ´parents.´ Will Maou the breadwinner be able to make the grade when it comes to child rearing? And will this spell the end of the starry-eyed Emi´s romantic ambitions?