Using The Cheating System To Become The Strongest

In a world of hunters and dungeons, where they are ranked from F class to S class, there is a kid who dreams to be strong. But the terrifying reality is that he is no more than a normal human being. He works hard, but doesn't earn as much money as even a F class Hunter. One day while he is walking home from another exhausting day of work, he passes a dungeon. To his bad luck, it is a dungeon break that is occurring. He just sees something lunge at him and everything turns dark. Fuck, why me? Why me? Suddenly he hears a *ding*.[Welcome, Host][Upgrading Body Status To Hunter] What the fuck is this?! [This is The Cheating System]