Records of Gods and Demons in Desolate Ruins

The frustrated social animals of the earth fell into the wilderness, defenseless and unable to speak the language. Here ferocious beasts run rampant and humans are their prey. He relied on modern wisdom to survive in desperate situations, and from being the weakest member of the tribe, he finally became the ancestor who fought against gods and demons! Mortals are in ruins, and gods and demons are everywhere!