The film is adapted from the novel of the same name by Akira Masamune. The story takes place in 2020 during the pandemic when the Prime Minister suddenly dies. Faced with an unprecedented crisis, the government's ultimate measure is to "use AI to revive the great figures of history and form the strongest cabinet.". Meibo Hamabi plays a new journalist from the political department of a television station, the protagonist of exclusive news tracking the strongest cabinet, Risa Nishimura, Wei Er Akechu plays the late stage figure Ryoma Sakamoto, who has been appointed as the Chief Cabinet Secretary, and Mansai Nomura plays Prime Minister Tokugawa Ieyasu, who leads Japan's strongest cabinet.
Unfortunately the movie もしも徳川家康が総理大臣になったら is not yet available on HBO Max.
| Writing | Yuichi Tokunaga | Writer |
| Directing | Hideki Takeuchi | Director |
