I Can Make Everything Level UP - Chapter 667: The end? (2)

Lu Yan has traveled to a peculiar world where the entire world would undergo a version update every once in a while.He has witnessed the once-flourishing metropolis replaced by an ancient and authentic Immortal World and been forced to work for a vicious shopkeeper.Luckily, he is the only one who has the ability to know the progress of the current version and choose the next version update.[Current Version: Immortal WorldVersion Update Progress: 99.3%]When ths next version comes, he will make the shopkeeper pay.

His Royal Highness the King of Han, who was afraid of the dark and ghosts and loved to cry, has always been the good baby of the princess.
Until one day, His Royal Highness the King of Han found a book in the bookstore…
Picture book?
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Search keyword: Protagonist: King of Han, Princess of Han

- Description from novelbuddy

Ren has never known kindness. He grew up alone in the slums, learning to survive by staying out of sight and trusting no one. One night, he stumbles into a strange tunnel and finds a hidden shrine forgotten by time.There, he sees a black cat with golden eyes and hears a voice inside his head.The shrine is more than it seems. So is the cat.As Ren is pulled into something ancient and mysterious, he must decide if he's willing to take a different step in life or keep running from the world that hurt him.Because the city doesn't care if he lives or dies, but something in the dark might.(No system, no isekai, no reincarnation, no regression, no harem. The story focuses on mystery and character development.)

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates