Arifureta Shokugyou de Sekai Saikyou (WN) - Chapter 497

What’s worse than finding out you’re that Louis XIV when you’re a baby?

Of course there is, for example, it’s still a magic version.

- Description from novelbuddy

Bai Aoxue, the best mercenary in the 21st century, is accidentally sent back to the Chengxi Dynasty in Great Continent due to an explosion in her mission, and trapped in the first daughter of Prime Minister. After her rebirth, she is set up by her father to marry the 5th prince Jun Yeyan who wears a mask all day long.
In the face of bloodthirsty enemies, discord between brothers, collusion among courtiers and invasion of enemy state, can Bai and Jun resolve the crises? What will happen to their political marriage? How will the fierce battle for the throne end?
With many twists and turns, the book brings you to experience palace revolution, love and hatred thousands of years ago.

- Description from Novelupdates

In the past life, he was an aerodynamic engineer of a well-known company, and in this life, he is a college student of a famous school.

When the two identities are perfectly integrated, what sparks will appear.

His life experience is also slowly uncovering the mystery, whether he can beat the tycoons of this era, and whether he can stand at the peak of world business.

- Description from novelbuddy

A young love leads to a lifetime of entanglements. Zhao Mo Sheng is a university student with a sunny disposition. The bright and cheerful Mo Sheng fell in love at first sight with He Yi Chen, one of the top students from the Law Faculty. However, his poor communication skill, makes her depart sadly for overseas. Seven years later, Zhao Mo Sheng returned home and spotted him immediately in a crowded supermarket, …….

This is a very short and sweet story about two college sweethearts, who separated on a bitter note but fate tosses them together again seven years later.