A series of net movies that were released by Toei to promote the Kamen Rider OOO summer movie, "Kamen Rider OOO Wonderful: The Shogun and the 21 Core Medals".

The year is 2021 and the world is in a state of chaos and fear. The ancient king OOO has come back to life after 800 years of dormancy. As the Kougami Foundation mounts a human resistance ...