Synopsis

A New Year's card from Marshal Armor reached Yuki Joji, prompting him and Kazami Shiro to investigate the return address. Separating to explore, they entered the manor only to find Coelacanth-Kid attacking V3. Riderman was swiftly subdued by Marshal Armor. The mutant then assumed Joji's appearance, transforming into "Destron Riderman" with the intent to eliminate Shiro and the Rider Scouts. Deceived by the imposter's guise, Shiro was pushed from a cliff. The villainous mimic then made his way to