One Piece: My Observation Haki Is Unrivaled

When I was reborn, I traveled to the world of pirates, gained the strongest knowledge, and then lost my memory. I was happy to be the lackey of the Celestial Dragons, shouting about absolute justice, and then led a group of idiots who failed to do anything. The revolutionary army played house, and then liberated the people and saved the world of pirates. Boring →_→