When a powerful new foe known as the Legendorga arises in 2008, Wataru investigates the mystery behind the crisis, which brings him in contact with a man Nago once knew, Shiramine Takato, whose 3WA also possess their own Rider System. When Shiramine explains how everything began in 1986, Wataru uses Castle Doran’s Time Door to travel back in time, leading him to meet his father face-to-face at last. But has Wataru managed to change the future, or will the Legendorga still rise and enslave humanity?
瀬戸康史
as Wataru Kurenai / Kamen Rider Kiva
武田航平
as Otoya Kurenai / Kamen Rider Ixa Prototype
山本匠馬
as Takato Shiramine / Kamen Rider Rey
堀内健
as Takashi Sugimura / Kamen Rider Arc
柳沢なな
as Megumi Aso / Kamen Rider Ixa
杉田智和
as Kivat-bat the 3rd (voice)
加藤慶祐
as Keisuke Nago / Kamen Rider Ixa
高橋ユウ
as Yuri Aso / Kamen Rider Ixa Prototype
Kohei Kumai
as Kengo Eritate
小池里奈
as Shizuka Nomura
松田賢二
as Jiro / Garulu
小越勇輝
as Ramon / Basshaa
