Gintama: The Movie: The Final Chapter: Be Forever Yorozuya is a 2013 Japanese animated film produced by Sunrise based on the Gintama manga and anime series. It was directed by the director from the anime series Yoichi Fujita and based on a story by Hideaki Sorachi, Gin Tama's original author. It stars Tomokazu Sugita, Daisuke Sakaguchi, Rie Kugimiya among others. The film focuses on the freelancer samurai Gintoki Sakata in a time travelling story where he encounters older personas of the people he met in Edo.

Gintama is a Japanese manga series written and illustrated by Hideaki Sorachi. It was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from December 2003 to September 2018, later in Jump Giga from December 2018 to February 2019, and finished on the Gintama app, where it ran from May to June 2019. Its chapters were collected in 77 tankōbon volumes. Set in Edo, which has been conquered by aliens named Amanto, the plot follows samurai Gintoki Sakata, who works as a freelancer in his self-established store, "Yorozuya", alongside his friends Shinpachi Shimura and Kagura, offering a wide range of services to handle various tasks and odd jobs. Sorachi added the science fiction setting to develop characters to his liking after his editor suggested doing a historical series.