A new gamemaster is in place and a new Desire Grand Prix is set in motion that sees the contestants living together to find a spy among them.

The contestants learn that they must vote on who the DisaStar is, and they will be ejected, no matter if they are the spy or not; Jamato arrive to compete in a sports game against the contestants.

The contestants continue their ball game as the time ticks away to place votes for the DisaStar.

Sae must save her family from a bomb while Beroba puts together her own anti-Kamen Rider team.

The Jyamato haven't been sent out in a while, so a new game begins against the Gamemaster - a game of tag.

Beroba has taken Chirami's Driver, rendering the current round of the Desire Grand Prix null.

A local festival is canceled due to frequent reports of Jamato attacks, even though a young boy was looking forward to it so that he could wish his mother well again.

The second game of the Jamato Grand Prix is underway as Keiwa and Neon are turned into enemy combatants for their Sengoku-style contest; Ace is feeling sleepy after using his new Crimson Boost.

Beroba continues her Sengoku game as Ziin comes to a realization after he and Ace almost die.

It's Neon's birthday and her supporters want to throw her a birthday party, but Beroba has other plans and starts by luring Keiwa into a game.

Neon's struggling with the reveal about her past with Beroba targeting her to compete next.

Neon has gone missing while Beroba plots the final round of the Jamato Grand Prix and Buffa's victory.

Archimedel turns on Beroba, claiming that he is the biggest Jamato supporter; Ziin returns with words for Ace.

Daichi asks Neon and Sara for a truce when Sara meets her mysterious supporter.

Sara goes missing after bumping into Daichi during a Jamato attack.

Keiwa is a wreck over losing Sara while Daichi sends the world into panic over the Jamato.

Keiwa has taken Tsumuri and the staff plan to use her to create a new Goddess.

Keiwa gets his ideal world of every competitor returning granted, but it comes at a price.

Beroba recruits DaPaan to be a Rider again while Ace prepares to face Keiwa.

Ace remakes the world back to before Keiwa's wish.

Kekera wipes out all other Kamen Riders to teach Keiwa a lesson.