A World That Is Still a Farming Society but Has Mechas

In 2048, human society was destroyed by nuclear pollution and nuclear war. In order to continue civilization, mankind concentrated its last resources to implement a project called "Fire", burying 100,000 genetically modified human fertilized eggs and nearly 100 million tons of basic crop seeds deep underground, waiting for the earth's ecological recovery. At the same time, the artificial intelligence "Zhang" and three 3D printing cabin launchers are placed on standby in space. In 2058, the last human dies. Human extinction Thousands of years later, the earth's ecology has recovered, organisms have iteratively replaced, and some organisms have increased dramatically in size. However, the Fire Plan failed to be fully activated. Only less than one-tenth of the fertilized human eggs successfully hatched and went to the ground, struggling to survive under the threat of giant beasts...