A seemingly ordinary training exercise led Chen Jian and his squad into a completely different time and space.
In the post-apocalyptic world, monsters run rampant, and the surviving humans struggle to live under their terrifying claws.
To fight the monsters, the living have abandoned everything.
Human nature no longer exists; beastliness is the mainstream.
To defeat them, one must first become them.
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Chen Jian was supposed to be like the others here, pursuing the maddening evolution.
But, when the tungsten-core armor-piercing round first penetrated the Kui Niu's keratin armor, he suddenly discovered...
Perhaps there is another way to stay alive?