Seirei Tsukai no Blade Dance - Volume 18, Chapter 1 - Demon King

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

Ella has the most perfect life. A life that everyone could envy her. She has a beautiful face, a beautiful body, abundant wealth.

The most important thing to her is that she has her someone that she thinks is her soul mate.

But a betrayal makes herperfect life shattered. She was lied to, toyed with and thrown into a much worse place than hell.

She was expelled from her family and locked up in a mental hospital, a place that shatter both of her wings.

Five years later, Ella returns with one goal in life. She handed over her body to Christian, a CEO who is notorious for being the cruelest.

In exchange, Christian will help him achieve his dream: REVENGE!

Demons, devils, ghosts and monsters

Plunge the mortals weak in horrors;

Arms of gods and blades of devils,

Shroud the world in untold evils.

Lu Sheng was an ordinary civil servant in the modern world. After waking from a drunken stupor one day, he found himself trapped in a dangerous world where demons, ghosts and supernatural monsters terrorize the land.

In this world, ordinary mortals live in dark fear and helplessness, without any means to fight against the supernatural.

As Lu Sheng struggles desperately for survival, he stumbles upon a game mod he had designed for a mobile phone app in his previous life. It unexpectedly becomes his special ability, which enables him to instantly level up any skill he learns, albeit at a cost.

Thus, Lu Sheng begins his journey, striving for power beyond the reach of a mortal as he treads the way of the Devil…

- Description from Novelupdates