Kamen Rider Decade: A Journey of Those Ten Years

What did Tsukasa Kadoya go through before heading to the world of Zio?

Is Kamen Rider Decade really the destroyer of worlds, or their savior?

Over those ten years, Tsukasa Kadoya went through so much. He became more mature and more powerful.

"I'm just a passing Kamen Rider. Remember that."

[KAMAN RIDE DECADE]