Michinaga Azuma is a major character in the series Kamen Rider Geats, where he transforms into Kamen Rider Buffa. Driven by a grudge against Kamen Rider Geats, he is known for his stubborn determination and combative personality. Azuma’s character arc explores themes of rivalry, revenge, and personal growth as he participates in the Desire Grand Prix. His strong, sometimes antagonistic presence is pivotal to the development of the series' plot and the moral dilemmas faced by the protagonists.