Young Ye Yiyu came to the world of Kamen Rider and opened the most powerful demon-encountering system.
Is the King of Demon Time strong? Hmm... Really strong, but my strongest demon will always be above yours!
Kamen Rider is the strongest demon, not just Kamen Rider, he also wants to become the strongest demon king in all worlds.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
