Disgaea: Tales of the Netherworld

Makai Senki Disgaea, literally Netherworld Battle Chronicle Disgaea is an anime based in the game Disgaea: Hour of Darkness, created and developed by Nippon Ichi. Both of them relates the tale of the young prince of the Netherworld, Laharl, and his companions.His disloyal serveant Etna, the Love Freak Angel Trainee Flonne and the endless army of Prinnies will accompany him in every one of his adventures for getting the title of Overlord, a kind of king in the Netherworld. As far as Laharl continues with his efforts to reach the throne, he finds out many strange things. Besides, as Overlord of a world full of demons he must be very strong for punish the demons who try of usurp his charge. 

Makai Senki Disgaea follows the same general plot as the game, but with several alterations to character roles and the chronology of events. Though his main objetive is getting back the title of Overlord, there are many obstacles in his way, an eccentric demon, the Human Kind, the Power Rangers, his own serveant, even the heaven is involved in many events that will become mad to the Prince.

Nevertheless, though Etna and Flonne help him to complete his objetive, every one has their own goal. Etna's goal is getting back her memories, stolen for the traitor minion: Maderas. Flonne, on her behalf,  tries to comprove if the demons can feel love and kindness.