Takayuki Shibasaki

Geats, Revice, and Ryuki wage a fierce battle royale that transcends beyond the Heisei and Reiwa eras.

An Imagin short shown between Juken Sentai Gekiranger: Nei-Nei! Hou-Hou! Hong Kong Decisive Battle and Kamen Rider Den-O: I'm Born!. Momotaros gloats of his strength until Master Sha-Fu dares him to prove it by swimming. After being made fun of by Urataros and Ryutaros, and bashed by Kintaros, Momotaros is talked into believing he can swim by Deneb.

The Go-Busters must protect the Tokyo Enetower from the evil Vaglass organization. However Enter's new creation Steamloid causes the Buddy Roids to rust, making them unable to fight or be used in the Buster Machines.

Gaim: It begins on the planet Kouta and Mai reside. Suddenly a mysterious enemy appears, then heads for their friends back in Zawame City. What is the enemies’ plan to release the curse of the Over Lords and Helheim? This being has even driven Kouta, who has become an existence like-God. Find out how the series continues after the events of the last episode. Drive: A legendary thief, the Special Unit, and Drive are locked in a showdown. How does the Drive Driver (Mr. Belt) fit in to all of this?

Ikki, Touma, and their allies fight against a Devil with ties to Shocker while attempting to help a Kamen Rider from the future reconcile with his now elderly son.

The Underground Empire Badan makes its move, intending to invert the world. Kouta and Mai are pulled through one of these inversions where the discover a boy named Shu, who also holds the power to invert the world. As the Riders fight to protect Shu, Fifteen appears again, seeking Shu. As Kouta flees, past Riders gather and fight one another, split between the Showa and Heisei era Riders. But, the truth of Badan is not as it seems…

An animated short shown with Farewell Kamen Rider Den-O: Final Countdown. In the short, Momotaros feels bad that it is really the end of Kamen Rider Den-O as Urataros assures him that all good stories have to end sometime. After Kintaros and Ryutaros try to make sequels to classic stories that cannot have a sequel (A Dog of Flanders and Little-Match Girl), the Imagin end up on the moon in homage to Galaxy Express 999, embracing their final story. A later retelling of this short, Be Forever Momotaros: Imagin Terminal Station, provides an alternate ending where the story does continue with numerous new characters and Momotaros freaks out about it.

Four years after an alternate ending to the series, in which Blade seals the Joker, the characters have moved on with their lives: Kenzaki is a garbage man, Mutsuki has graduated high school, and Kotarō has published a book about the Kamen Riders to great success. The Undead have been re-released, and a new trio of Kamen Riders—Glaive, Larc and Lance—have emerged from BOARD, now led by Tachibana. After recapturing two of the Category Aces, Kenzaki and Mutsuki join with the new Riders. When all the Undead are sealed once more, Glaive reveals himself to be the Albino Joker, a white version of the original Joker, and captures Kotarō's niece to obtain the ultimate power, sealing her in the Vanity Card. In order to free Amane from the card, Hajime is unsealed from the Joker Card and the four Riders are again united, intent on saving Amane and stopping the Albino Joker.