Makai Senki Disgaea dj - Akumako

So... you wake up one day after a two-year nap and discover that your father is dead. What do you do? Take over his kingdom and rule with an iron fist, of course! Laharl may be new to the whole Overlord scene, but with the help of the demon-girl Etna and the angel-ditz Flonne, hefs going to be the best ruler the Netherworldfs ever seen. All he has to do is get by the hordes of halfwit hellions determined to challenge him for the throne, foil an interdimensional plot and keep his own vassals from trying to kill him. Sound rough? Hell yeah. (Source: Broccoli Books)

Adell is the lone human being in a world of humans-turned-demons, made by Overlord Zenon. It's Adell's task - and burden - to defeat Zenon and restore his friends and family to their normal selves. But summoning an Overlord is not easy. When Adell tries to call Zenon, he ends up with his daughter, Rozalin. Now, bound by contract, Adell promises to take Rozalin back to her father. However, it will take much more than blind courage to defeat her all-powerful father and save the world. (Source: Broccoli Books)