The Witch Hunter System - Chapter 946: The World’s True Master?

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Lin Yan is a professional car racer who fell from grace after her sister set her up. She becomes an actress for the sake of her boyfriend, who later cheats on her with her sister. Her life, career and relationships reach a slump.

Enter Pei Yucheng, the president of the JM corporation—a multinational conglomerate. He is unfathomable, cold and aloof. At random, he would mysteriously lose control of himself, and Lin Yan is the only one who is able to calm him down. The first time she meets him, she feels an indescribable fear deep within her soul. Unbeknownst to her, they had met each other a long time ago, but she had chosen to forget him…

Soon, something puzzling and strange begins to happen to her. Occasionally, she loses consciousness and ends up in Pei Yucheng’s room the next day, completely unaware of how she ended up there. She suspects that something has possessed her…

You are the ruler, I am a subject, you want loyalty, I’ll give you loyalty. You are the ruler, I am the subject, you want my sacrifice, I will sacrifice for you. This lifetime, we’ll only be ruler and subject…… cannot become the one who accompanies you to experience everything.

A deposed empress, a failure of a substitute. Charging into battle, he was the emperor, and she, his general. But within the intimacy of their military tent, he was her husband, and she, his wife.

But everything was star-crossed. For the one he loved the most, he would push her into hell again and again.

- Description from Novelupdates

The first time they met they had battled fiercely, just for a mere bunch of herbs. She needed it to save people, and he wanted to use it to save his own life.