Reincarnated to defeat the dragon king

Devon Heath has had a normal life going from his apartment to DePaul University and then to a game store to get games. When walking down the street he gets ambushed by a guy and got run over. He woke up in a dark room with star-like lights everywhere when a woman comes and tells him he died and was treated unfairly so she told Devon that he will be reincarnated into a world where anything could happen