This article is an infinitely refreshing article, passionate and funny at the same time. An ancient trial mechanism called "Metaspace" continuously selects humans with Orc genes in their bodies from reality, and puts them into various trial scenes to encourage them to unlock the gene locks in their bodies, awaken their talents and skills, and continue to evolve and grow until they achieve the mission of reviving the Orcs, defeating humans and becoming the masters of the world again! In the process of continuous evolution, the protagonist also learns an unknown ancient secret, so that he completely gives up his identity as a human and chooses to become a generation of beast demon king, and fights endlessly to overthrow human rule!