I Am the Sixth Book of Jiumen Sang

My dad used to say, “The underworld isn't about fighting and killing. It's about human relationships and social savvy.” Then someone hacked him to death. His brothers, the very men he trusted, took his assets and his mistress. I went from a pampered young heir to a convict serving eight years for brawling. Now that I'm reborn, I'll have my revenge! I'll rise to the top. I'll rule everything! Anyone who stands in my way will be killed without mercy!