One Piece World, a Big Identity Reversal at the Beginning

This is not the One Piece you are familiar with. The world of pirates is in chaos, and the identities of the characters have changed. The pirates became the navy. The navy became pirates. Black Moon Kazama, who had traveled through time, felt a little pain in his head. This is different from the Pirate King he is familiar with. This is the Navy King! Why. Eat a devil fruit to calm down... Note: A newbie is on the road, I hope you can support me a lot. If you have collected anything, vote, please kill me, thank you. Deduction**: None yet This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.