Demonic Dragon: Harem System - Chapter 378: Rogue (R-18)

Luo Zheng is at the bottom of the Luo Clan hierarchy, despite his family being the founders of a power refining technique that could instantly defeat any opponent.

One night, enraged by unfair treatment from a family steward, Luo Zheng burns the family records. In doing so, the hidden magic in the book engulfs him and Luo Zheng becomes a new skilled fighter. Fleeing his home and despicable clan, Luo Zheng must learn to harness his powers to rescue his younger sister while his own cousins are on his pursuit.

- Description from Novelupdates

That day, my head was struck by an unknown object, and after I woke up, I realized that I’m able to, through titles, understand a person’s truest side.

In her past life Gu Wei Wei’s heart was dug out by the man she loved, and transplanted into her best friend’s body. However, after rebirth she become Hua country’s number one conglomerate, Fu Han Zheng’s little girlfriend. She is being careful trying to take revenge against the people that hurt her. He protects her everywhere, pamper her to the extreme. Everyone said that Fu Han Zheng is cold and without emotion. That perfect husband that everyday tease her until she blushes and her heart beat, pamper her regardless anything, is it a fake husband?

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.