Golden Time and Space: I'm a Teacher, So Why Am I the Demon Lord?

Luo Yu transmigrated into the world of KO Ultimate over a hundred thousand years ago. As a demonized superpowered practitioner, he became the Supreme Ruler of the Demon Realm! The entire Demon Realm and the Twelve Time-Space Dimensions trembled before him. He was also known as the most powerful Demon Lord in the history of the Twelve Time-Space Dimensions and the Demon Realm! Under his rule, the Demon Realm lived in peace with the Twelve Time-Space Dimensions for ten thousand years.

But after ten thousand years, he grew tired of being Supreme Ruler of the Demon Realm, left it behind, and retreated from both the Twelve Time-Space Dimensions and the Demon Realm.

Over a hundred thousand years later,

Luo Yu became a history teacher at KO One, teaching his students.

Just then, the Black Dragon, who sought to become a demon, set his sights on KO One...

At the same time, after over a hundred thousand years, the Demon Realm began stirring once more, planning to conquer the Twelve Time-Space Dimensions...

When the Demon Realm descended...

A figure walked out of a classroom at Bali High School.

At that moment,

the Demon Realm's entire army fell to its knees.

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