Ride 1: Boku wa Kamen Rider!? (I'm a Kamen Rider!?)

(My own adaptation of Armor Hero XT)

Carddroids. Monsters that are from an object called Nexus Cards , has come to wreck havic on this world. However , one teen , Sean Harada , has the ability and strength to defeat these monsters. But he must also fight against fellow Riders , as well. Follow the journey of the Dragonic Knight , Kamen Rider Gaia!