Kamen Rider OOO: Unlimited Adventure

While attending a Kamen Rider convention, friends Kurogasa Kururugi and Koji Shinamori fall through a portal, bringing them to a world of pirates, magic, and Kamen Rider OOO brought to life. Now, joining with a heroic pirate crew, they must find out what it means to be a hero and discover the truth of their hidden pasts to save an island.