Plot
The story begins with a regular day with Takumi, Mari and Keitaro, which suddenly turns into a musical number thanks to a mysterious new boom box created by Smart Brain. As it turns out, Yuji, Yuka and Naoya have the same boom box and are greeted by a rapping Smart Lady who reveals that it's part of a new plan by Smart Brain to invoke people into singing all over Japan. The reason: To get the three Rider Belts back!
Trailer
Cast
Kento Handa
Takumi Inui
Yuria Haga
Mari Sonoda
Ken Mizorogi
Keitaro Kikuchi
Masayuki Izumi
Yuji Kiba
Yoshika Gaja
Yuka Osada
Mitsuru Karahashi
Naoya Kaido
Hitomi Kurihara
Smart Lady
Takehiko Kano
Driver Voice
