The relationship between Kamen Rider's moon landings.

Kurenai Wataru changed Kamen Rider's moon landing plan.

Characters in the Japanese special program "Masked Knight Kiva". Like his father Kurenai Otoya, he is also a violin manufacturer. Trying to make a violin beyond my father's achievements. Living in a violin studio that I inherited from my father. Not very good at interacting with people. He was just a gentle young man at first, and began to grow up gradually after fighting as Masked Rider Kiva. At first, he didn't understand why he could reform and why he had to fight. Later, when he learned that he was a hybrid of human and Fangire, he was troubled between the two.