RE: Perverted Sugar Daddy System - Chapter 18: Daddy Knows Best

When our protagonist becomes the game character Jun Karentia, she thinks she has it made. She may be just a lowly support mage, but with her knowledge of the game, she knows she can finagle her way to the good ending following around the main character, Fabian. The problem? This game doesn’t end after one playthrough. Jun is prepared to guide Fabian through the second playthrough to the true ending when… Fabian abandons her. Now the Grand Duke Mayer Knox—captain of the Dark Knights and the secret final boss—is determined to have her join his party. Can Jun turn the final boss into the main character? Why is Mayer Knox so intent on having her in his party? And when will these rumors about being his lover stop?!

After ten thousand years of cultivation, he could have achieved immortality. However, his lack of human experience led to his failure to attain immortality.Thus, he resolved to immerse himself in a century of human existence, seeking to enhance his journey toward immortality. What he didn’t anticipate, though, was that upon entering the human world, he would find himself cast as a son-in-law, facing disdain not only from his wife’s parents but also from his beautiful wife herself.Armed with a wealth of cultivation knowledge, how could he transform his drab human life?

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

After Chu Zheng was inexplicably judged to be dead, the only trouble was – spending money.

Since the binding of this system, her waist has not been sore, her legs have not hurt, and she is not even breathing. She lives in fear of spending money every day.

System: Let’s set a small goal and defeat it by 100 million… Miss, stop! Don’t just turn on the invincible mode! (▼ dish▼#)

Chuzheng: Can you first explain what this thing holding my thigh is?

Something: Baby, you can do whatever you want.

Chuzheng: (touching the knife) Well, then I’m welcome.

System: Miss, please put down the butcher knife! ! (▼へ▼メ)

#Miss, you can really do whatever you want, find out#

- Description from novelbuddy