The finals of the Desire Grand Prix are underway when Keiwa Sakurai, a man down on his luck after a failed job interview, is caught in the midst of things.

Ace has won the Desire Grand Prix and the entrants for the next series assemble as they are tasked to go on a treasure hunt.

Neon is asked by her mother to quit her successful streaming channel when a new zombie round of the Desire Grand Prix begins; Ace and Michinaga have a bet on who will do better in the next round.

Michinaga's job has him renovating Ace's house when they are called in for round three of the Desire Grand Prix: a duos battle that resembles a concentration-like card game.

Keiwa rediscovers childhood memories of what he wanted to be when he grew up; the final boss of this Desire Grand Prix has appeared, who has left previous games with no winner.

Keiwa's sister calls with news of a monster attack, but before the Kamen Riders can finish the round, Keiwa learns a shocking truth about his past.

Ace gets another wish for winning the Desire Grand Prix, now competing with a brand new set of competitors in a new game. A game which includes the staff controlled Punk Jack from last game.

The second round of this game has begun, transporting the players to an alternate dimension where they must each escort a civilian, with Keiwa being among the group of civilians.

A mysterious girl appears to all of the remaining contestants, forcing a competition to reclaim their drivers.

Keiwa and Neon are told that the next round is a hunt to take out Ace, but they and Tsumuri struggle with the gamemaster's decision for this illegal game.

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.

A new game begins that involves the Jamato delivering bombs.

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.

Ace and Keiwa have gone missing and Michinaga now has his wish of the power to wipe out all Kamen Rider.

Desire Royale participants have been chosen; Kekera has a plan to get Keiwa back.

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

Niramu and Win are back and the staff plans to pick up and go to a different era.

Win and Tsumuri go through the Desire Grand Prix archives as the contestants participate in a useless battle.

Sueru plans to replace Mitsume as the Goddess of Creation.

The Desire Grand Prix staff has left, but the competitors still have their memories intact and the Jamato are still on the loose.

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

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