A mysterious person restarts the Mirror World's Rider Battle, thus making Shinji Kido and other war participants regain their memories and transforming abilities. With the appearance of Another Ryuki, Sougo Tokiwa and Geiz Myokoin investigate this event, becoming involved in the war themselves...
Shinji Kido / Kamen Rider Ryuki
Ren Akiyama / Kamen Rider Knight
Goro Yura / Kamen Rider Zolda
Miyuki Tezuka / Kamen Rider Raia
Takeshi Asakura / Kamen Rider Ouja
Tatsuya Kano
Jun Shibaura / Kamen Rider Gai
Kamen Rider Odin (voice)
Kimura / Kamen Rider Verde
Ishihashi / Kamen Rider Scissors
Ishida / Kamen Rider Impala
Tozuka / Kamen Rider Tiger
Kamen Rider Abyss
Sara
Sougo Tokiwa / Kamen Rider Zi-O
Geiz Myokouin / Kamen Rider Geiz
