Save the World? Don't Make Me Laugh. This Time, I'll Save Myself and Destroy It

In his previous life, Bai Qi activated the Savior System and saved tens of millions of people in the Longxia human race. He even single-handedly ambushed and wiped out hundreds of thousands of enemy troops, which led to an alliance of eight races laying siege to Longxia! But in return, he was betrayed by his own people. Even his fiancée came forward to give false testimony against him. At last, utterly disillusioned, he had no choice but to detonate the System! When he opened his eyes again, he had returned to the day he activated the System. Did he really have to follow the same path as in his previous life?