I Have A Martial Dao World - Chapter 195 There is no better reference than this.

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss.

“Honey, be good…Give me your phone…”

“No, no!” The internet-addict girl clutched onto her phone, determined not to give him.

The handsome and noble man slightly sighed. He lowered his body to hug the girl.

“You’re not listening again, hm?” She immediately handed her phone over cowardly as he said so in a clear and distinct voice.

He was the eminent and noble Master Li, a powerful figure in the business world.

She was just from a normal family that suffered from her stepmother’s schemes, a pitiful girl.

An accident made him appear in her world.

Since then, everyone in S City knew that Master Li had a treasure and cherished her dearly. He feared that she might be wronged in the tiniest bit. He will personally tutor her in her studies, personally be her training partner in video games, and even reserve the movie theaters for her movies.

- Description from Novelupdates

Su Ran, a music prodigy, woke up transmigrated into a book.

At that point in time, the main story arc in the book had already been completed. As a villainess female supporting character, not only did she need to take over the original owner’s pitiful life in poverty, she also gained an instant son right at his rebellious period.

Ten or so more years from then, the son would turn into a twisted, evil villain. He would appear in one of the extra chapters to pick on the male and female lead’s children.

***

Su Ran: Son, you shouldn’t be too outstanding.
Su Han: Why not?
Su Ran: ’cause you will be killed.

Su Ran: Son, would you like to learn music from me and become a zen, little fairy boy who only needs to drink dew.
Su Han: No, I want to go into business so I can support you.

- Description from Novelupdates

In the last life, Lan Muyu ran away from home for love, but accidentally bumped into her object – the adultery of the popular actress Fu Yao. In order to keep her reputation, Fu Yao and Xiao San teamed up to drug her, and she jumped down from the thirty-ninth floor so that she would not be humiliated.
Her career was ruined, and all the betrayals left her to recognize her, but after her death, her fiancee Li Ruonan tried her best to avenge her, and she was implicated in her death.​​
Once again, facing the cheating scumbag girl, Lan Muyu, who had learned from her previous life, smiled coldly. She quietly took a video and turned around and ran away. It was uncertain who would win this time.
Looking at the pouring rain, she knocked on the door of the luxury car that had just stopped, “Miss, look at me… hey!”
Before she could finish speaking, she was stuffed into the car – what kind of person was she, Li Ruonan, the fiancée she abandoned for love!
Until Fu Yao and Xiaosan’s resources were cut off, and the company’s investment became a bubble, only to find that Lan Muyu was already in the high starlight, holding the hand of the chaebol heir and smiling in all manners.
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Li Ruonan (attack) VS Lan Muyu (shou) cover is Shou!
Note: Gongshou 1v1 Shuangjie, the Lord of the Year has no children

Content tags: rebirth sweet text cool text revenge abuse scum
Search keywords: Protagonist: Lan Muyu; Li Ruonan ┃ Supporting role: Please pre-receive “I became the villain’s favorite after wearing the book” ┃ Others: rebirth; attack change; scumbag
One sentence introduction: However, he was taken home by his fiancée
Purpose: face danger, live optimistically

- Description from novelbuddy