The Embers and Rebirth of the Seventeenth Year of Chongzhen's Reign in the Ming Dynasty

The history book commented on Song Renzong: He didn't know how to do anything, he only knew how to be an official. Emperor Chongzhen worked diligently until his death, but his country collapsed. When the rope broke through the coal mountain, he suddenly realized—— The emperor is not a god whose orders are from heaven, but the pivot of the world. If you can't turn around these thousands of mountains and rivers, you will only be crushed by them. Abandon Yanjing and cross the Huai River. He put away his ridiculous imperial dignity and stopped talking about looking north. Taking Wu Sangui and Guan Ning's elite cavalry, they marched southward and established a foothold in Jinling. In the north, the Manchus took control, in the west, rogue bandits were raging, and in the south, there were remnants of the Ming Dynasty. On top of the ruins, three pillars stand. How could Chongzhen suppress chaos and resist aggression, and forcibly find a path to resurgence in this collapsed chess game?