A web series which was released as an accompanying special to the film Super Hero Taisen GP: Kamen Rider 3. It introduced a new rider, Kamen Rider 4, who is the fourth Kamen Rider cyborg created by Shocker after Kamen Riders 1, 2, and 3.
Shocker's plan to alter the past to rule the future was foiled, returning the past to its rightful place, at the cost of Go's life. Or has it? Strange events are happening around the Kamen Riders of yesterday and today as Shocker returns to try again to take over the world. But can Drive save Go's life, who seems fated to die?
