Disgaea 4: A Promise Revisited

The ultimate hardcore SRPG in history! The Disgaea SRPG series has sold over 5 million copies worldwide. The fourth title in the series, Disgaea 4: A Promise Revisited, is now available for smartphones!
Grind all the way up to Level 9999! Deal over 100 million points of damage! Enjoy the challenging game system and the exciting story that features unique characters!

Hades is a prison in the lowest depths of the Netherworld.
Here, the souls of sinners are processed and shipped out as the lowest of demons, Prinnies. One day, Valvatorez, a vampire who now works as a Prinny Instructor, had his entire graduating class of Prinnies abducted.

After investigating, he discovers that they were abducted by the Corrupternment, the organization that controls the entire Netherworld.
In order to correct the tyranny of the Corrupternment, and more importantly, to fulfill his promise to give each Prinny one sardine, the vampire once feared as the Tyrant must take a stand!

Down with the Corrupternment! Seize the power! Reform the Netherworld! The story of reformation in the Netherworld with Valvatorez, a vampire who no longer sucks blood, begins here!