After the defeat of Evolto, Kamen Rider Build and Cross-Z, Akira Kiryu and Ryuken Geki lived in the fused world. That is until Killabus the brother of Evolto erased the memories of Akira and the only thing he has is a rabbit. It's up to Ryu to help...
Akira: "Ok that explains that but how about you Ryu?" He was already back to normal
Ryu: "Ok but first can you explain how did you gone back to your normal looking you."
Ray: "I pretty much found out how to get him back to normal though it wasn't easy."
Ryu: "Who the hell are you?!" Then he forgot to notice the lab coat
Akira: "He's a doctor name Ray Rune aka Kamen Rider Ex-Aid."
Ryu: "...How many riders are there?"
Akira: "...More than 20."
Ryu: "Well dam."
Akira: "Yeah well let's get to your story on how Akeno got knocked out."
Ryu: "Ok."
Flashback
Ryu was running away from Akeno as he bumps into a Kamen Rider
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Ryu: "Ok you know what. Sir protect me from her she's trying to kidnap me."
Akeno: "Ara ara~ that's if you resist." Then suddenly she strikes lightning at the rider which all he did was just dodge "Oh my~" Then the rider pulled out a watch as he press the button on the watch
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Wizard!
Then he places the watch on the left side of his driver as he press the button on his driver and gives it a 360 spin
Rider time! Kamen Rider Geiz! Armor time! Please! Wizard!
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Geiz: "It's showtime." Then it became a battle of fire vs lightning (The irony) as the two started to fight with elements as then Geiz then pulled out another watch and press the button
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Cross-Z!
Then he replaced the Wizard watch with the Cross-Z watch as he press the button in the middle of his driver and gives it a 360 spin
Rider time! Kamen Rider Geiz! Armor time! Wake Up Burning! Cross-Z!
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Geiz: "With this feeling I can never lose!" Then this is where Akeno got a bit pissed off and then started to repeatedly strikes lightning but all that did was just made Geiz still charging as he pulled out his weapon the Zikan Zax to pretty much go for a long rang attack
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Geiz: "Time to end this freaking shtick." Then he press the button on both of the watches on his driver
Finish time! Cross-Z!
Then he press the button on his driver and gives it a 360 spin
Dragonic Time Burst!
Then just like how Ryu uses his regular finisher Geiz does a rider kick as a blue and orange dragon appears and goes for a rider kick causing for Akeno to be knocked out after a crashing into a telephone pole
Geiz: "Oh...well I hope she's not dead." Then he runs
