I Beat up the Boss at the Beginning, Do You Call This Undercover?

"If I remember correctly, your profession is undercover, right? You just beat up the boss?!" Zhang Feng was originally a retired killer who was tired of fighting and killing, but something went wrong while enjoying his retirement life. He accidentally traveled to the current world and became an undercover? "Undercover? I can only kill people! What should I do?!" There was no other way, Zhang Feng could only take the wrong approach and beat the boss on the spot in the cell. When the boss was released from prison, he hugged Zhang Feng's thigh and cried: "Brother, please be my little brother!" As time goes by, things get worse and worse: "It was agreed upon for three years, three years and three years, and three years and three years, why haven't you closed the network yet?!" …