[No routines, no cool writing, please be careful if you mind].
[Rebirth] + [Power] + [Revenge] + [Big World]
Fifty years ago, in a remote mountainous forest, a secret biochemical experiment accidentally caused a catastrophic accident.
This accident completely broke the tranquility of the world. Various biological mutants that escaped from the laboratory - blood-devouring demons, spread rapidly in the world and wreaked havoc. Their unimaginable destructive power and various special abilities have become the focus of competition among major forces.
During an operation to annihilate the Blood-devouring Demon, the protagonist and his party accidentally discovered many clues about his mysterious life experience hidden in the dark, each of which seemed to point to unknown secrets in his past.
As the investigation deepens, the protagonist discovers that he is gradually uncovering a huge conspiracy, and the surrounding area becomes perilous...
