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...
Felix: "Oh great I have to deal with more riders?!" Then he charges at Saji to which he dodges as Kazumi and Gentoku stopped his attack though it didn't do much apart from holding him down
Saji: "Dam it..." Then he removed the sclash driver which his armor disappeared and then puts on the build driver as he pulls out the blizzard knuckles which gave him flashbacks on him using it once "I shall not be DEFEATED!" Then he grabs the arctic blizzard bottle and insert it onto the knuckles
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Then Saji goes at it but it was nothing as Felix was able to beat him up but that was when Hygami and Itsuki then appeared with the nebulasteam gun and made everyone but Felix to escape
Felix: "WHAT THE HELL?!" Then he goes to destroy buildings
Later
Akira: "Good grief we are screwed."
Sento: "Lost the ability to transform?"
Akira: "Yep. any advice on how to get it back?"
Sento: "Find a hot spring on a isolated island there you'll find a hot spring that contains phantom liquid. The rest I'll do."
Akira: "...well great. That'll take time."
Timeskip
As Akira was on a raft carrying a canister
Akira: "Well then sayonara main land." Then he went out on sea
Akira was already bored out of his mind and even though he came prepared it took him long to find the island
Akira: "Man. This is terrible." He facepalms "Why did I agree to do this?" He sighs as he made it onto the island "Wow that's ironic and too much anime plot device but whatever if this can move the plot faster." Then he sees a hot spring which then happened to be a geyser "Alright this must be it now to go back for another...2 hour. Dang it."
He made it back to the warehouse tired as the only ones who were there were Sento, Ryu, and Ravel
