Rules of Survival for Experimental Subjects

Foreigners created a biological weapon, codenamed "God's Skeleton", with the purpose of annihilating mankind. Later, the research institute was destroyed by an explosion, and the remains disappeared into the ruins. The foreigners thought he was dead and evacuated in a hurry. But when the human army rushed to the explosion site to investigate, a man stopped the vehicle halfway. "Hello, my name is Li Yuexing, can you give me a ride?" "The destination is... A human city."