Global Nuclear War: Survival Starts from Being a Security Guard

[Apocalypse + Rebirth + System + Superpowers + Decisive Killing + Struggle for Hegemony + Specialized in Treating Various Dissatisfactions] Nuclear war breaks out around the world and the population plummets by 90% In his previous life, Xia Li was stabbed in the back by a rich second-generation boss and died miserably from nuclear radiation alone in a rental house. After rebirth: "I, Xia Li, only want to do three things when I come back. Revenge, revenge or tmd revenge!" No food? System, change it for me! No weapons? System, change it! System: "Compete to be hired as a security guard first. If you pass the role, you can get materials." Xia Li: "Security? It's the end of the world, of course it's the security captain!" … ("I am a security guard. I only go to work to get off work. I like the owner Xiao Dan. The owner calls me cerebral palsy")