MTL - People Are Collapsing, Cheating is Bouncing - Chapter 237

After his death, Bern awakens 10 years into the past as the third prince of Kailis, the enemy country.

Leng Rongrong is the eldest daughter of the Leng Family, yet she is abandoned to the countryside when she’s little. As she reaches a certain age, her father and his stepmother trick her into returingn home just to marry her to Mo Linyuan, the Fourth Master of the Mo Family who is supposed to be crippled, poor and ugly.

When Leng Rongrong marries Mo Linyuan, she finds that Mo Linyuan is actually a very handsome man seated in a wheelchair. So she decides to take good care of him by becoming an actress to support the family. However, Mo Linyuan is simply pretending to be crippled for the moment, because he is investigating some peculiar affairs happening to his family. Yet as he spends time with Leng Rongrong, he finds her quite interesting and fun, and gradually develops feelings towards her.

In the meanwhile, Leng Rongrong also defends herself against other undesirable trouble that keeps coming towards her whilst trying to find out the past of her supposedly deceased mother.

The leaves of the chess game beside Lanke, and there is no one playing chess among the old trees
Xing caused Tian Yuan’s first son, and then looked back at the vast mountains and seas
When he woke up, Ji Yuan became a half-blind beggar in a dilapidated mountain temple.
A real person has a sword and a magic stick has a mouth, which is the foundation for Ji Yuan to settle down in this terrifying world.

- Description from novelbuddy

It’s a story about a man who got transported into a novel and possessed a slum boy. He met a noble girl and served her as a butler for 13 Years. Now the girl has already fallen from her noble life and lives in an abandoned mansion with paralyzed legs. Why did she become like that? Of course because she is the villainess in the novel.