From the Start: I Have a Kamen Rider Decade Driver in the Middle Ages

After transmigrating to the Middle Ages, he discovers that he possesses the Decade Driver, known as the Destroyer of Worlds.

Unfortunately, chaos is slowly invading this world, with gods and demons running rampant. Luckily, he can transform into any form:

Kuuga, Gaim, Ryuki, Blade, Zero-One.

And when the compatibility between a person and a Rider's power reaches 100%, they can awaken an even more powerful form.

"There's no Rider in this world more compassionate than me!

What do I do when I meet an enemy? My grandma always said the sun is great because it can make even dust shine. Justice is me! I am justice! Henshin!"

What do I do when I face a powerful enemy? "My evolution is as fast as light, and no one can keep up with it. So, henshin!"

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.