Memories of the Primordial World: King of the Mountains

When he opens his eyes, he sees a primeval forest. He is still the smallest and skinniest person in the tribe. In this world, where human lives are as worthless as weeds, the child, not yet grown, has no choice but to fight beasts to the death when natural disasters strike, battle savages, and defy the heavens. Forced to grow from a naive boy into the king of the mountains.