Hong Kong Crossover: I Became Hung Hing's Boss from the Start

[System] [Cunning] [Villain] [Gangs] [Undercover] My soul transmigrated into the underworld of Hong Kong Island in a parallel world in the 1980s. Gangs were everywhere, and the whole place was a chaotic mix. In shallow waters, turtles are everywhere, and every corner has a big shot! When you're out in the world, loyalty comes first, of course. If you agree, then just pretend I never said anything.