Devouring a Quasi-Emperor from the Start

[Power fantasy, no female lead] Su Ye transmigrates to a world of profound fantasy with a System. He thinks this is the beginning of an incredible life, but at the age of six, he encounters the remnant soul of the Quasi-Emperor Su Bufan, who attempts to seize his body. Working together with the System, he spends ten years finally devouring the Quasi-Emperor's remnant soul. He inherits ten thousand years of the Quasi-Emperor's memories. Su Ye discovers that he actually has nine sons. Every one of them possesses the makings of a Great Emperor.