Hong Kong Films: The Ultimate Undercover, Lighting a Cigarette for the Boss's Wife

[Hong Kong movies + undercover cop + System + power struggles + brotherhood in the underworld]

Li Yun transmigrates into a Hong Kong movie world and binds himself to the Strongest Undercover Cop System.

As a cop, he tells Huang Zhicheng to light his cigarette. If he won't, Li Yun quits.

As an undercover cop, he tells the boss's wife to light his cigarette. If she won't, he'll do it himself.