The new Rider ver. Kamen Rider Heisei Generations FINAL poster revealed a new type of Guardian. This Guardian had 'X' on their chest & face. By seeing this it reminds me of only one Organization which is still in mystery. That is Foundation X.
Foundation X is the Mysterious Organization which first appeared in Kamen Rider W and were seen investing on GaiaMemory, Psycho Soldiers. They were also seen showing interest on NEVER, Core Medals, Astro Switches & Rider Gashat (in Kamen Rider Brave Spin-off). Just what are they? What are they planning to do by collecting & investing on them? Do they have any relation with the organizations from Showa Rider Series?
Some time back when Kamen Rider Brave: Survive! Revival of Beast Rider Squad! was released in DVD, I had whether X would have some hint about when their truth will be revealed. Kamen Rider W was produced as a part of Kamen Rider 10th Anniversary, so could Foundation X have something to do with 10 years? or with the number 10 (Roman Numeral X)? Starting from W to Ex-Aid, there will been numbers found in someway and Build will be counted as 10.
Could the Secret of Foundation X will be revealed this Winter?
Kamen Rider Build & Kamen Rider Ex-Aid's Crossover Film "Kamen Rider Heisei Generations FINAL: Build & Ex-Aid with Legend Rider" will premiere on December 9. Sota Fukushi (Gentaro Kisaragi / Kamen Rider Fourze), Gaku Sano (Kota Kazuraba / Kamen Rider Gaim), Shu Watanabe (Eiji Hino / Kamen Rider OOO), Ryosuke Miura (Ankh), Shion Tsuchiya (JK), Ungirls Tanaka (Chuta Ohsugi), Shun Nishime (Takeru Tenkuji / Kamen Rider Ghost) & Takayuki Yanagi (Onari the Detective) are confirmed to appear in the Movie.