Ken Mizorogi

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!

The Yamazaki family gathered at Himuro's (Yasukaze Motomiya) office as usual, but they decided to expand the Kenyukai's office so that they could spend their time more comfortably. I was in a hurry. Ishizawa (Hiroto Honda) finally decides to purchase his company's building, but Yamamura (Kenta Kawasaki), who is entrusted with financing by Ishizawa, is reluctant. Just then, he receives a phone call from one of Ishizawa's twin sisters, Arisa.

Tendokai's Washio Kazuma, the underboss of Japan's largest crime syndicate, goes on the warpath when his blood brother and family turn up dead.

In the near future, the world is ruled by the Smart Brain Corporation, with 90% of the population being Orphnoch, and the once prominent human race is nearing extinction. Takumi Inui, Kamen Rider Faiz, was once regarded as mankind’s savior until, in an attack by Smart Brain troops, he was presumed dead. Since then, human rebel groups have staged attacks on Smart Brain’s complex in an attempt to steal the top-secret Emperor Belts, with no success. Kiba Yuji, Naoya Kaidō and Yuka Osada attempt to ease tensions between both races but their peace meeting is interrupted by Smart Brain troops and their newest warrior, Kamen Rider Psyga. Takumi, believing himself a young cobbler named Takeshi, regains his memory and becomes Kamen Rider Faiz again to settle things with Smart Brain once and for all.

Le détective Ukyo Sugishita enquête sur les affaires criminelles selon ses propres méthodes. Ukyo sera accompagnés de différents partenaires au fil des saisons.

When Kyoichiro comes home, he hears that his 14-year-old son Kyosuke was stabbed to death. The person who killed Kyosuke turns out to be 13-year-old Mitsuru. The two boys were classmates. Due to Japan's juvenile law, Mitsuru will not receive commensurate punishment for his crime. Kyoichiro points his anger at Mitsuru and his mother Hatsumi, but Kyoichiro sees that Hatsumi also suffers from her son's actions.