During the Gintama Ato no Matsuri event, it was announced that the 3-Nen Z-Gumi Ginpachi-Sensei novel is slated to get an anime adaptation of its own. The project is based on Tomohito Ōsaki's novel. The novel takes place at Gintama High School, and it follows Ginpachi Sakata, who is the teacher despite not having the right qualifications.