Strongest Among the Heavens - Chapter 1: DASHA: Staring at Death

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

He was the powerful and influential heir of B City, the merciless head of the commercial world, but the divorce papers made him lose his cool.

“Sign the divorce papers, daddy,” said the 5-year-old boy.

This man had the divorce papers thrown in his face by his wife six years ago, and was now being pushed by his own son to sign the papers.

“That would make you a single-parent child,” said Gu Juexi coldly.

“Mommy said unicorns don’t exist but men like you do,” the boy leered at his father and said.

Gu Juexi’s face fell. ‘That damned woman.’

“You haven’t signed the papers,” the boy reminded as the man left. As usual, the door shut in his face.

Good lord… Dad and mom are not getting a divorce and are giving him a baby brother? How worrying!

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

Her wedding had also become her funeral.
Her stepsister and her fianc�� had gotten together at some point in time. It turned out that they had been the ones who had done it all along. She had been disfigured, raped, plagiarized, and her father had died in an accident.. All of this.. It turned out that they were the ones who had done it all.
She really regretted trusting the wrong person and misunderstanding the person who loved her... ...
After being reborn, she returned to her high school days.
She became a Straight-a student, won a grand prize, fought against the stepsister, confessed to the scumbag, and got lost. Her sister's lies were all broken. Faced with the shadow of rape, she came to recruit them. The chicken was braised with mushrooms, and a grand party was held. She made a name for herself. She was strong. She opened a shop, bought land, and earned a lot of money to be a boss But in front of him, she was a little woman that he doted on.
"Hei di, madam ran out again. She said she wanted to earn a lot of money to buy milk powder. "
Blue veins popped up on the man's forehead. "Here it comes again. Bring her back and open a bank for her. "