Kamen Rider OOO: The Birth of Birth X Prologue

Plot Summary

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!

Top Cast

Hiroaki Iwanaga Dr. Akira Date / Kamen Rider Birth

Asaya Kimijima Shintaro Gotou / Kamen Rider Proto Birth

Mayuko Arisue Erika Satonaka

Takashi Ukaji Kousei Kogami