MMORPG: Rebirth of the Shadow Mage

Summary:

To get some money Leo started playing a popular VRMMORPG, [ FRAGMENTAL ]. Unfortunately he had no talent for the game.
Desperate for Money Leo did everything from
joining an oppressive guild to signing a slave contract making him become an corporate slave
But Life gave him a second chance…
Returning in time and armed with knowledge he gained during his years working as an informant, Leo shall reach the top