Serving as the true ending to Kamen Rider Decade and revealing the origins of Kamen Rider W, this movie is split into three parts. In "Kamen Rider Decade: Final Chapter", Tsukasa Kadoya fully embraces his title as the Destroyer of Worlds. In "Kamen Rider W: Begins Night", Shotaro and Philip recount the night on when it all began. Elements of both parts converge in the movie's final part, "Movie War 2010" as our heroes fight the forces of Super Shocker.

The sequel to "Naked Academy". The story is that the hero who went to rescue the lover who was kidnapped in the first part is appointed as the president of the company and rebuilds the management. A mysterious work in which parody of special effects works can be seen everywhere, such as the main character becoming huge and becoming a naked female president giant.