Being a Kamen Rider in the Middle Ages

Reborn on the continent of Calradia,

he unexpectedly awakens the Decade System.

What do you do when you meet an enemy? "My grandma used to say that the sun is great because it can make even dust shine. Justice is me! I am justice. Transform!"

What do you do when you face a powerful foe? "My evolution is as fast as light. No one can keep up with it, so... transform!"

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.