Civilization After Learning from Disaster Post-Disaster Reconstruction

After a certain irresponsible god borrowed some of the earth's civilizations, due to various unreasonable factors, the civilization he created suffered a disaster. In order to save the civilization he created, he found a friend who was "study" on earth and gave him all his divine powers. Ask for his help to start from scratch and lead the entire civilization to prosperity. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.