Gintama on Theater 2D: Kintama-hen

When Gintoki returns after a brief absence, he discovers that the world has somehow moved on without him. A flawless replacement named Kintoki has taken his place, and everyone behaves as though the golden newcomer had always been the hero. With Gintoki seemingly the only person who remembers the truth, he must reclaim his bonds before his substitute erases the last traces of him.