Mitsuru Matsuoka

A boy who suffers from impaired hearing and a young girl pianist try to solve the mysterious connection between a series of murders and the boy's entangled memories.

Kamen Rider 4 is a web series which was released as an accompanying special to the film Super Hero Taisen GP: Kamen Rider 3. It introduced a new rider, Kamen Rider 4, who is the fourth Kamen Rider cyborg created by Shocker after Kamen Riders 1, 2, and 3. The plot goes around a time loop created by the Shocker that resets whenever someone dies, but whenever the loop resets Shocker itself somehow grows stronger and stronger. Thus, it is up to the Riders to decide whether to keep on fighting a useless battle... Or end the loops for good by sacrificing one of their own.

Intercepting the transport carrying Foundation X’s new 2nd generation Gaia Memories, the special-ops unit NEVER, led by Daido Katsumi, intend to turn Fuuto into Hell on Earth. With Daido wielding the T2 Eternal Memory and a Lost Driver, granting him power in the form of Kamen Rider Eternal, Fuuto’s Kamen Riders are left powerless as Daido and his allies take control of Fuuto Tower, converting it into a massive laser weapon…

Chuya (Mitsuru Matsuoka) works as a university professor. His big dream is to make a sound map of Tokyo. He spends his days collecting sounds in Tokyo and analyzing the sounds. One day, his girlfriend Fumi (Natsumi Abe) tells him that she is leaving him and mysterious woman Mariko (Yumi Adachi) appears in front of him. Mariko, who knows about the break up of Chuya and Fumi, suggests to Chuya to wiretap Mariko’s life.

Set primarily before the events of Kamen Rider W Forever, Kamen Rider Eternal tells the story of Daido Katsumi, the formation of NEVER, the mission that led them to target Fuuto, and reveals just how Daido obtained his Lost Driver and got his first taste of the power of Kamen Rider Eternal. As a mysterious woman retells this story to Phillip and Shotaro, they realize that Daido may not have been the simple monster he first appeared to be…

Takashi Habuki (Kenjiro Yamashita) aspired to become a dancer, but he kept failing auditions. He gave up on that dream. To think carefully about his life, Takashi Habuki decides to visit Kibo Temple, which is located deep in the mountain. A rule exists, that when nightfall comes, people should not visit the abandoned temple in the back of the Kibo Temple. Rumors exits about the abandoned temple. One night, Takashi Habuki, who is unable to let go of his dream of becoming a dancer, goes to the abandoned temple and begins to dance. 8 handsome zombies appears in front of him.

Popular theater company director Yuuji Kaieda (Yoshikuni Dochin) secretly marries and lives with his lover Aki (Rin Takanashi). Aki is the main actress of the theater company. Aki’s younger sister Haruna (Anna Ishibashi) then appears. In the past, Yuuji and Haruna had a secret intimate relationship. Yuuji tries to keep his distance from Haruna because of this. Soon, Yuuji and Aki's secret is disclosed.

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.