Pirate Luffy Invites Me on Board

The protagonist Moonlight came to the world of pirates and was invited by Luffy to board the ship. The East China Sea, Winter Island, Alabasta, Sky Island, Naga Island, Water Seven Cities, Judicial Island, Thriller Bark, Sabaody Archipelago, the Battle of Marineford, etc. With the joining of the protagonist, everything will be different.