My mother's SON-IN-LAW - Chapter 44: THE DEAL

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

When he got tangled in a fight with a few punks in this different world, he fell off a cliff and miraculously found himself still alive, with two more voices ringing inside his head. They were Sword Master and Saber Master. In the company of them, he continued to find out more about this whole new world. He took the sect entrance examination, entered the sect, met a strange man in black, and even participated in a major competition of the sect to have a chance to win over his peers!
In this whole new world, he was born again and got to explore the fantastic martial world!

- Description from Novelupdates

Li Qiao, a soft and glutinous girl, dresses up as the little daughter-in-law of a poor family.

Rural household registration, two dilapidated houses.

What she didn’t know was that her husband, who was not stingy at home, would become a business tycoon in the future, possessing supreme status and untold wealth.

What’s more, she didn’t know that the reborn step-sister was determined to take her place as the rich wife.

The step-sister is often persuaded to leave: brother-in-law drinks and fights, and is not good enough for you.

Li Qiao is irritable every day: He said he deserves me to death.

The step-sister added: He is too poor, you and your children suffer hardships with him.

Li Qiao blushed: He said that it is difficult to divide a child unless there is another one.

stepsister: …

- Description from novelbuddy

In her seven years of marriage, she and her husband click perfectly well, sharing a loving and sweet relationship.