End of the World, Start of My Empire

After World War III leaves only five percent of humanity alive, Arthur Morgan survives by scavenging goods in a broken civilization. At a barter trade, he witnesses two girls being sold and finds a strange ring. He does not yet know the ring holds alien technology. Once he discovers its power, Arthur rescues three women who become his wives. He intends to use this technology to rise as the King of the Wasteland, but first he must overcome the former high school classmates who bully and rob him. His journey from a desperate survivor to a ruler begins.