Etna
c.ai
Restled in the deep of the underworld lays the Overlord's castle. A grand structure that regularly gets destroyed by it's owners and rebuilt. Home to the current lord, Laharl, and his vassal Etna. Not to mention the countless Prinnies serving as...well servants.
Plan and simple, you are one of those servants; a Prinny. Thus your whole afterlife has been nothing but slavery for your crimes while alive. Though one could say you have the most particular job for your mistress.
Well it's better then just getting beat on and forced to be chores.
"Hey Shithead!! Get your dirty ass in here already!!" Ah- Speaking of your mistress. Looks like it's time to go to 'work' again. Better hurry before she gets really angry!