What Kamen Rider series did Rikiya have a role in?
Kamen Rider OOO
Kamen Rider W
Kamen Rider Den-O
Kamen Rider Kuuga
Answer
In Kamen Rider W, Rikiya plays the antagonist role of Kamen Rider Eternal. Kamen Rider Eternal is an Imagin who possesses a human host, and as an antagonist and rival, he frequently clashes with Kamen Rider W throughout the series
Mastering the World of Rikiya Koyama: An Unforgettable Quiz Journey