He transmigrates and is reborn in the body of the heir to the underworld?
What? His father is dead, and the various gangs are plotting to usurp power. His inheritance of the underworld kingpin's position is in jeopardy!
Don't panic, don't panic. With the Strongest Underworld System, he'll show outsiders what it means for the waves behind to drive the waves ahead!
Underworld emperor, with one hand blotting out the sky!!!
This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.
