In his previous life, Lin Xiao, an S-rank “Builder,” was betrayed by his brothers and the woman he loved. His city was destroyed, and everyone died. Reborn one month before mutated beasts descend, he retains all his memories. In this life, he trusts no one. He uses every means at his disposal to stockpile resources and makes the most rational deals with the government. When the apocalypse arrives, others are struggling to survive while he arms an entire city with a matrix of advanced technology. When his enemies come begging for help, he smiles and activates the plasma cannons mounted on the city walls.
