Restore the Ming Dynasty and Become King of the South China Sea

In 1644, Ziwei fell and the Tatars entered the country. In the land of China at the end of the Little Ice River, the mountains and rivers changed color and the lives were devastated. The cities were massacred one after another. The massacres caused the Han people to be displaced. There was a wailing, and there was a scene of doomsday everywhere. An ordinary college student from later generations traveled through time and became the weak and incompetent King Zhu Youlang of Yongming. He has no cheats and no force value. In this era where strong men are rampant and demons are raging, how can we save the people and revive the Ming Dynasty? Hold Portugal with your left hand and contact Annan with your right hand? Bind Li Dingguo and Zheng Chenggong to his chariot? Building a united front? To free the Han nation from the fate of being slaves? Step by step toward the world and the road to light?