The Strongest Dandy in the City - Chapter 42 Teaching

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.

In novels with a stud there is always a Senior Martial Brother like this:

In the early stages of the novel, his innate talent is high, his cultivation is good, his appearance is handsome, and he has an intelligent, cute younger Martial Sister as a fiancée.

In the middle stages of the novel, he is caught unprepared and defeated by a young disciple (the protagonist) in the sect who’s hardly remarkable at all. From then on, he falls from his godly altar and loses his brilliance. Even his young Martial Sister leaves him for someone else.

In the late stages of the novel, he continues to turn dark, going down the Demonic Path and becoming the major villainous boss. However, the protagonist still ruthlessly defeats him and his soul is eternally sealed.

Once Qin Mo opened his eyes, he discovered that he had become this Senior Martial Brother.

- Description from Novelupdates

"An accident. She's pregnant. How unlucky. She got pregnant in one shot!

Once, because of a pair of purple eyes he was scorned. He is a wangye known across the land, cold and bloodthirsty, looking disdainfully upon the world.

Once, because of a mother’s death she received a father’s resentment. She is a publicly known junzhu whose looks have been destroyed, pitiful and weak.

In reality, he has a pair of this world’s most beautiful eyes, the most formidable background, the most imposing strength.

In reality, she has a peerless face, the most unshakable background, and the most ingenious medical skills.

She, Lan You Nian, aloof and cold-hearted, underneath the appearance of a celestial maiden is a battered, wounded heart.

When the cruel and ruthless him met the indifferent her, who adores who most deeply? Who once again puts a smiles on for whom?

- Description from novelupdates