Demonic Boy

Two hundred years ago, a sudden disaster occurred, and a nuclear explosion destroyed the surface of the earth. Decades later, when people walked out of the shelter, they were faced with a desolate and gray world. It took people a long time to understand that times have changed, and humans are no longer the protagonists of this era. Today, two hundred years later, mankind is gradually restoring the glory of civilization in the old century. However, all the storms are gathering together, and the era of chaos is about to usher in great changes. But the boy who came from a small town on the border never realized that he was in the center of the storm... He was still tinkering with his can. Ps: teenage growth, disaster, multiple female protagonists.