Tenmaou: The Strongest Martial Artist

In order to stand on top of the world you need; Money, Power, and Glory. This is the story of an abandoned boy living within The Inside; A lawless land of pure unabashed debauchery and depravity whose aim is to reign supreme in the world of the strong. The story is about the rising of the man known as the Heavenly Demon King (Tenmaou) (OC MC) (OC X HAREM) (CROSSOVER)