Scum Young Master SYM

Ye Ran is a genius scientist, but there is one more identity that he has; he is a spy!
He partake in an undercover mission to infiltrate his nation's biggest rival and steal their high level technologies.
But fate says otherwise, while at the very end of his mission he got caught red handed.
Ye Ran knows what awaits him if he let himself got arrested, so he swallowed his death pill and closes his eyes accepting his death.
"I guess this is the bitter end"
What follows weren't the endless dark void he thought afterlife will be. He somehow could open his eyes.
He's coming into realization that he reincarnated as a notorious scum young master of the Ye family!
This is a story of a man whose name will shook the earth!