Kamen Rider OOO: The Birth of Birth X Prologue
As the ancient king OOO continues his onslaught on humanity, Kougami gathers his former employees to create a resistance... and introduce a new weapon in the fight!
- Genre: Action, Science Fiction, Fantasy
- Director: Ryuta Tasaki
- Cast: Hiroaki Iwanaga, Asaya Kimijima, Mayuko Arisue, Takashi Ukaji
- Country: Japan