Transmigrating into Investiture of the Gods: Sign-In for the Chaos Bell from the Start

Since the time of King Zhou, there have been no more human emperors, only Sons of Heaven whose authority was granted by the gods, forced to bow beneath the Celestial Emperor. During the Investiture of the Gods, Heaven used humanity to destroy the human emperor, robbing the human race of its power to stand against Heaven. From then on, the Celestial Emperor ruled the mortal world and unified the Three Realms.

But this time, a soul from a later age transmigrates with the Primordial sign-in System, setting out on the path of resistance...