When he died, he believed that he can finally rest in peace after the chaos in there. Being brought back to life and in the past definitely wasn't part of the deal. With the knowledge of the future breakout, he can change the place for the better. Or can he? New SCPs shall be introduced and all hell will break loose. (Chapter 2 is now updated)
There are many things left unexplained during the Breach. Why didn't the D-Class encounter any other SCPs in the facility? How did the facility recovered? Why was the internet down? All of these questions will be answered here.