Otoya Kurenai is a major character in the series Kamen Rider Kiva. He is the father of the protagonist, Wataru Kurenai, and is known for his flamboyant and charismatic personality. Otoya was a talented violinist and played a significant role in the events of 1986, shaping the fate of the series’ main characters. Despite his lighthearted manner, he is courageous and deeply caring, often putting himself at risk to protect others from the Fangires and other threats.