World Development System - Chapter 68

A story of time-travel. Sly and cunning, she unexpectedly became a sickly noble lady whose fiancé is merciless and demotes her to a lowly concubine. She sneers and bravely breaks off the engagement. To hell with scumbags, marry heirs to lords, blind the courts with her brilliance.

I exist in the darkness, disappear under the bright light, and will eventually devour the sun and turn into the shadow of all things… Known by people as the indescribable terror of darkness; the king of shadows; the dark day; the existence of the shadow of the world , is still just a somewhat special high school student, facing a weird death game…

- Description from novelbuddy

The Revered Master, Yu Yan, known as the number one in the cultivation world, waited for sixteen thousand years, and finally took in a disciple. He taught her carefully, and took care of her diligently. He watched her as she slowly grew stronger as she comprehended the laws, and just as she was about to soar into prominence… she died!

It took a long time for Yu Qingjia to learn that she was the original heroine in a Mary Sue Novel, and the other party held the female supporting system in their hands, and She was gearing up to grab her opportunity.

Hehe…

Anyway, sooner or later, she’s going to die, so it’s better to live a more comfortable life. Yu Qingjia completely let herself go, relying on her status as a legitimate daughter, she played her life against her father’s new beautiful concubine. This little concubine is not a good stubble either, as they come and go, the relationship between the two of them becomes bigger and bigger. Later, she gradually realized that something was wrong.

Why is her formidable enemy a ‘man’?

He is also a wanted man of the royal family, the youngest son of the deposed prince, and a famous tyrant in the future!

The royal family of this dynasty has a secret. For example, although these royal men are all beautiful and good at fighting, they are bloodthirsty, paranoid, and cruel from their genes.

Murong Yan fell from the clouds into the dust when he was young, and even had to disguise himself as a woman to avoid spies in the backyard of his followers. After great changes, the tyrannical element in his body could hardly be controlled until he met Yu Qingjia, his nominal “daughter”. In his restless and dark world, the sun suddenly radiated in.

- Description from Novelupdates