Gin no Juujika to Draculea - Volume 04, Chapter 4 - Crimson Cohabitation

When Zhou Yi woke up, he realized that he had become the prison guard of the Heaven Dungeon.Although he was fortunate enough to find a Fruit of Eternal Life, he did not possess any powers to protect himself.In a world of cultivation where demons and monsters roamed freely, Zhou Yi decided to hide himself and train for thousands of years.Time passed by quickly.The child he had freed 100 years ago had become the founder of the Great Qian Empire.The teenager he had helped 1000 years ago had become the elder of a celestial sect.The pet he had kept 10000 years ago had become the Absolute Demon King of Foreign Lands.This is the story of a normal person who has eternal life, the story of how he watched countless events unfold and eventually becomes the Supreme Celestial of Eternal Life.

In the age of the Great Liang Dynasty, the lives of the people were made convenient with steam-powered machines that run on a fuel named Violetstream Gold. Chang Geng, who lived in a small countryside village, shared a distant relationship with his mother while his stepfather was away most of the year round, and the only people he was close to were two little kids, the village teacher, and his yi fu – adoptive father. But his life was flipped upside down one day following the barbaric Man tribes’ invasion, and it turned out that his entire identity had been an illusion – not only was Chang Geng himself not the country boy he thought he was, but also his mother, his teacher, and even his beloved yi fu…

- Description from Novelupdates

Traversing into another world, Zhang Xuan finds himself becoming an honorable teacher.

Along with his transcension, a mysterious library appears in his mind.

As long as it is something he has seen, regardless of whether it is a human or an object, a book on its weaknesses will be automatically compiled in the library.

Thus, he becomes formidable.

“Emperor Zhuoyang, why do you detest wearing your underwear so much? As an emperor, can’t you pay a little more attention to your image?”

“Fairy Linglong, you can always look for me if you find yourself unable to sleep at night. I am skilled in lullabies!”

“And you, Demon Lord Qiankun! Can you cut down on the garlic? Are you trying to kill me with that stench?”

This is an incredible story about teachers and students, grooming and guiding the greatest experts in the world!

- Description from Novelupdates

When he first crossed over, Chen Liguo did not want to accept it.