The Great Yokai War: Guardians is a 2021 Japanese fantasy adventure film directed by Takashi Miike. A sequel to The Great Yokai War, the film is the latest installation of the Yokai Monsters franchise, and was released in Japan on August 13, 2021, by Toho and Kadokawa. Among the film's cast of creatures is the title character from the 1966 Daiei film series Daimajin. Gamera, the iconic kaiju by Daiei also made a cameo appearance in the spinoff prequel, The Great Yokai War: Guardians Side Story Heian Hundred Demon Tale .

Takashi Miike is a Japanese film director, film producer and screenwriter. He has directed over one hundred theatrical, video, and television productions since his debut in 1991. His films run through a variety of different genres, and range from violent and bizarre to dramatic and family-friendly movies. He is a controversial figure in the contemporary Japanese cinema industry, with several of his films being criticised for their extreme graphic violence. Some of his best known films are Audition, Ichi the Killer, Visitor Q, the Dead or Alive trilogy and various remakes: Graveyard of Honor, Hara-kiri and 13 Assassins. He has directed over 100 movies and also plays as an actor in 20+ more.