Kamen Rider X Collection

A little girl named Sayoko witnesses the murder of an Interpol agent by the G.O.D. kaijin Hercules. Keisuke Jin saves her before Hercules disposes of her. Sayoko tells Keisuke that G.O.D. is targeting an important official named Kibara. Kamen Rider X has his hands full when G.O.D abducts Kibara and takes Sayoko and her mother hostage.

King Dark, leader of G.O.D (Government of Darkness) has his scientists create a new monster, Frankenbat. Frankenbat, who was kidnapping females for their blood to survive, tries to kill X Rider. Kamen Rider 1, 2, V3, and Riderman come to help X Rider battle Frankenbat and the forces of G.O.D.