Prehistoric Humans Survive in a Posthistoric World

[Resuscitation] + [Pseudo System] + [Mutation] + [Deep Sea] When his eyes opened again, the unfamiliar feeling in his body began to come over him. "Where am I?" Inside is a cold laboratory, There is a fiery beast outside. "Oioi, kid, did you see that I didn't choose to run away but walked like me?" "Is this your specialty? The taste is quite strong." "Who said that you can only become stronger by mutation?" Let the new world see the wisdom of the old world.