Hong Kong Crossover: The Day I Got Out of Prison, I Activated the System

Lin Dong walks out of prison and binds himself to a revenge System, gaining the abilities of a martial arts master from the start. With a police undercover mission, he returns to face Boss B, who betrayed him. While everyone thinks Ba Bi is about to hack him to death, he quietly checks the System's new missions: eliminate Ba Bi and take over Causeway Bay.