Celebrate! He is the destroyer of worlds who wields the power of all Kamen Riders, annihilates everything, and connects all worlds. His name is Kamen Rider Decade! This is the very moment he descends upon this world!
Amid the raucous cheers, the villains stood on the desolate land and looked up at the magenta figure atop the mountain. They shouted, "Who are you, anyway?"
"Oh, nobody. I'm just a Kamen Rider passing through." So said Tsukasa Kadoya, a man who preferred not to reveal his name.
[The protagonist, Tsukasa Kadoya, is reborn, so his personality may differ from the original. Please bear with it. Also, the update schedule is irregular.]