The special event is a stage show held on December 20, 2009 at Shibuya C.C. Lemon Hall, to commemorate the release of the movie Kamen Rider x Kamen Rider W & Decade Movie Taisen 2010. It features the casts and song artists from the Kamen Rider W TV series.
Unfortunately the movie Fuuto Presents: Kamen Rider W Special Event Supported by Windscale is not yet available on HBO Max.