Watch Kamen Rider Kiva: King of the Castle in the Demon World

Kamen Rider Kiva: King of the Castle in the Demon World is an action adventure with some elements of horror added in. The movie focuses on two new riders, basically Japanese superheroes. The only problem is that one of them is possessed of a dark power. As the forces of evil begin to invade from the demon world, it's up to both of them to find their place. Their great power puts them at odds with both each other and the invading forces. As more new monsters with even greater power appear, they must decide how to best face the problem.