The infant heir to the throne of another planet is torn from his home and family by human magic & thrown into another world. Using telepathy, he asks a pony to take care of him, and she agrees. Born as royalty, he must live a common life.
Together as Kamen Rider Double, Lyra and Bon Bon attempt to discover the mysteries behind the Gaia Memories, and behind Lyra herself. (Kamen Rider W crossover)