I’m the Only Man Left in the World

A mysterious virus suddenly breaks out across the globe. It targets the human Y chromosome with pinpoint accuracy, causing men around the world to die one after another in a short time. Wang Lei, a draftsman in the civil engineering industry, unexpectedly transmigrates to that world and becomes the only man left alive on Earth. From then on, he takes on the task of ensuring the survival of humanity, sowing his seed across the world... Years later, the people of that world call Wang Lei their founding ancestor.