Demon Sword Maiden - Chapter 25Volume 12 - Yomi-no-kuni: – The City Of The Female Queendom

She killed his wife, destroyed his reputation, and ran off with his son. 8 years later, she returned home with her genius son, who already had a fiancée. “Give me the child, or you can’t afford the price.”“A girl who eats meat and vegetables doesn’t suffer, if you want a child, find yourself a woman to give you one.”

Haruto Hayase was a normal high school boy in his third year, living a quiet life until his younger sister, Haruka Hayase, joined the same school. Haruka’s beauty and charm made her the center of attention, quickly becoming the school’s prima donna. But when a notorious gang leader set his sights on her, he did everything in his power to protect her—only to fail tragically. Haruka was brutally assaulted and tortured, and Haruto himself suffered an agonizing death. However, in a twist of fate, Haruto is given a second chance, waking up a year before the events that shattered his life. Armed with the mysterious ‘Debauchery System Slave’, he vows to exact revenge on those responsible. This time, he will use his newfound powers of the system and charm to seduce the loved ones of his enemies. From their mothers, sisters, and lovers to their closest friends, Haruto will make them his. His enemies will suffer as he steals what they hold dearest, ensuring their downfall in the most devastating way possible.

Su Yan adored Xie Yu for many years and finally got what she wanted, but Xie Yu ran away on the wedding day, making her a laughing stock. At that time, Bai Xingfan appeared in front of her. He held a black umbrella in his skeletal hand to shield her from the heavy rain, and the other hand stretched out in front of her with a gentle and determined voice: “Don’t be afraid, still With me.” Su Yan was stunned with tears in her eyes for a long time, and finally, she reached out to Bai Xingfan.

- Description from Novelupdates

This novel is also known as Turns Out, I'm from a Real Aristocratic Family!

After staying in the Bai family for eighteen years, Ou Yan realized that she was a fake daughter. The real daughter came back, she was abandoned, and she was about to be sent back to the poor mountain valley…

Unexpectedly, the so-called poor mountain valley was actually the most expensive villa area for rich people in the whole country! Overnight, she changed from a fake daughter of an ordinary wealthy family to a real daughter of a top wealthy family!

The biological parents dote on their daughters like crazy, they spend tens of millions in pocket money, drive the luxury cars in the garage, and buy high-end products all over the world. Want to go to school? You can choose from top schools! Don’t want to go? Come, the company at home will play with it! What Ouyan didn’t expect the most was that she actually had a fiancé…

The fiancé came to the door and wanted to divorce, but Ouyan didn’t care, but why did this person entangle her after mentioning the divorce? Every now and then I want to hold my little hand and kiss my little mouth.

Ouyan was annoyed, “Sir, who are you?”

“Baby, I’m your husband.”

“Oh, no husband, only one ex-fiancé who wants to divorce.”

The world’s richest man, Si Yechen, who was feared by everyone outside: “… ”

I really want to kill that idiot who made a high-profile divorce without even meeting her…

- Description from novelbuddy