Special Forces: the Strongest Undercover

I was originally a golden actor, but I came to the world of special forces. In order to save his sister An Ran, he became an undercover agent. "What is an undercover agent? It means putting yourself in his shoes and acting out what you are doing. Yes, I am a drug lord, I am a pirate..." Accidentally, he unified the entire underground world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.