Gentaro Kisaragi (如月 弦太朗) is a second-year, later third-year, student at Amanogawa High School, who has a bad-boy image but seeks to make friends with those he meets at the school by forming the Kamen Rider Club. When he meets Kengo Utahoshi, it starts the chain of events leading to him becoming Kamen Rider Fourze (仮面ライダーフォーゼ).