Ryuu Kusari no Ori -Kokoro no Uchi no “Kokoro”- - Chapter 6.04

The doomsday fell upon the earth when a dragon coffin sealed under a snow mountain for ages shifted, and the civilization of gods and devils began. The whole universe turned into a fantastic new world where everyone could rise to the top through cultivation. A lucky young boy seized the opportunity, and started his journey to be an overlord in cultivation.

- Description from Novelupdates

Just when I got to know her, the hairy girl only wants to beat me up!Prim childhood sweetheart treads on me underfoot!Childhood friend turned sister suddenly demands I repay the kindness of upbringing?...Are all these twists of human nature, or the moral decay?Surrounded by young girls wielding knives, Shen Mo Dust trembles: 'Author, why do I only meet bad women?''What exactly are you not satisfied with, let's switch roles!'Jealous at having crafted the protagonist's peak of life with his own hands but without a single girl by his side, the author furiously slams the keyboard!(Spotting the little whips raised by the venerable readers, he picks up the keyboard again)The alternate titles of this book are 'They Shine Like Stars' and 'They Are Lonely Like Stars'.

This novel is also known as Master Fu's Mysterious Darling Wife

She is the The Young Miss of Military family Shen, her face is peerless, her temperament is cold, and she is her family’s treasure, but isn’t accepted as one’s child by her mother;

He is The Sole Heir to the top giant Fu Family, his power is unparalleled, indifferent high-born, the captain of the mysterious military force, and the youngest commander-in-chief.

Because of her grandmother’s wishes, she married him at lightning speed. She thought that it was a marriage that she needed, but she didn’t expect to be greeted with his extreme pampering.

- Description from Novelupdates

A genius schemer, creating an emperor!

“Only when your brother is happy can you be happy.”

She committed all kinds of evil deeds to make him Emperor. However, Artezia’s devotion was repaid with betrayal. It was the Grand Duke Cedric, a righteous enemy, that gave her a hand of salvation at the threshold of death.

“Devise a plan.”
“…”
“I can’t think of anyone but you who can reverse this situation. Marquess Rosan.”
“…”
“Lend me your strength.”

There is no plan that can reverse the already declining power and save the fallen empire. However, there is a method. To turn back time before everything went wrong.

With tears of blood she sacrificed her body to an ancient magic. This time, she will not fall.

Artezia, who returned to the age of 18 before death, resolved to become a villainess for the Grand Duke Cedric.

“Please give me your hand in marriage. I’ll make you emperor.”

In exchange for kneeling to the devil, the devil shall dirty her hands for you.