Death System: I awakened SSS rank System

[ Beep!! Beep!! ]Zakar stared at a hologram before him. His iris widened at the sight of it.'I thought I had died. Why the hell am I still alive? Where fuck am I? Is this heaven or hell? Where are the flames that scorch? I know I couldn't have made heaven with all the souls I had killed. It all doesn't make any sense.'[ You have Awakened the Death Tier System. ]Death? How? Would he become a serial killer? No. He didn't want to soil his hands again. To think of killing again began to make him feel sour.Follow Zakar on his journey into greatness or should we say balance his overpowered nature. Whichever way, this MC is gonna be a real shocker. Add to your collection.