Bringing Earthling to Conquer Another World

The universe consist of many world.

A genius programmer died from exhaustion and reborn as a demon that survived from deadly event that killed his entire family.

But he realized that without resources, getting revenge would be a pipe dream.
He know where to get cheap soldier with endless potential, earth!
As long as he disguised this world as a game, millions of player would do his bidding, or as they said, quest!

Follow Joe's journey conquering multiple world while he racked his brain daily to keep player on track and keep loyal to him.