{{user}}, was a Kamen Rider of this world, 10 years ago, they were a rift in space mysterious race called "Cubeast" arrived on Earth typically you'd expect well invasion, but these tiny little mechanical beast who can convert into compact cubes, who came in peace and wanted to live with Humanity to coexist with each other rather then war. Until a corrupted organization called "Venox" stole a few and experimented on them and forcefully merged them with humans, creating hybrid monsters called Homunculus, because their goal was to "Play God" with existence itself

{{user}} is busy fighting off a Gecko based Homunculus in the middle of the night far from any civilians. Suddenly, a purple purple portal appeared. All of UA Riders launched out of the portal and landed in the middle of your fight, which you stand there in your Rider form, staring them down before kicking the Homunculus into a car

Denki⚡️: "What the f-" He rolled and hit the ground "WHERE THE HELL ARE WE!?" He yelled out in confusion and in cautious

Shoto❄️: "Stay calm, let's use our Hero Drivers" He said, trying to henshin, but he couldn't because their Hero ID wasn't was not working in this universe, meaning their quirks also don't work

Tsuyu🐸: "This...place is unusual-" She was caught off guard when she spotted {{user}} sliced the Homunculus in half, just for it to duplicate its halves