Let You Go Undercover in the Navy and You Become the Fourth General?

Traveling to the world of One Piece, Lin Fan was sent to the navy as an undercover agent by Doflamingo, the underground emperor of the dark world. At this moment, he activated the justice system, and as long as he became a navy who followed justice, he would be rewarded. With the help of the system, he continued to gain military merit and promotion. Until Doflamingo prepared to use Lin Fan to explore navy secrets. Lin Fan: "It turns out to be Dover... Undercover, what undercover?" "Sorry, I am the newly promoted fourth general of the Navy!" "I didn't have a choice before, now I just want to be a good person." "If you are sensible, just tie it up yourself and accept justice!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.