(Be Forever Yorozuya) is a 2013 animated film that serves as a high-stakes, time-traveling tribute to the series' core bond. Directed by Yoichi Fujita , it features an original story by creator Hideaki Sorachi and was originally intended to be the franchise's grand finale. Plot Summary

The story follows Gintoki Sakata, who is catapulted five years into a post-apocalyptic future by a "Movie Thief" android. In this timeline, a mysterious "White Curse" virus has decimated the population, and Gintoki has been missing for years. Disguised and unknown to his friends, he must reunite a hardened Kagura and Shinpachi to stop the source of the plague—a threat rooted deep in his own past as the Shiroyasha. Gintama: The Movie: The Final Chapter: Be Forever Yorozuya