I am, Flame-Chaser of Previous Era - Chapter 44: Explain

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

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.

Su Ci was forced to marry the dying Second Master Shen, and the entire S City awaited her tragic fate. However, half a year later, Su Ci cured Second Master Shen and was adored by the Shen family. She is a personal disciple of a miraculous doctor, a top hacker, a racer, and the founder of a globally popular cosmeceutical brand. International conglomerate CEO Xiao Yizhou, genius director Lu Mingchen, and e-sports god anti all declared: “Su Ci is our dearest junior sister!”The man, rumored to be cold and violent, cornered Su Ci against the wall, gritting his teeth: “How many more identities do I not know about?” Su Ci smiled warmly and kissed the man's lips, “Just one last one, Mrs. Shen.”

What is it that makes a man fall in love with a woman at first sight? Appearance? Aura? Wealth? NO, when campus prince and gaming expert, student Xiao Nai first saw Bei Wei Wei, what made him fall in love was not her extraordinary beauty; but her slim and slender fingers that were flying across the keyboard and her calm and composed manner!!! Embarrassing, no?

At the same time, gaming expert Bei Wei Wei was on the computer methodically commanding a guild war, and won a perfect and glorious victory despite being at a disadvantage; completely unaware of the fact that cupid is nearby.

Soon after basketball player; swimmer; all-around excellent student; and game company president, Xiao Nai, uses tactics both on- and offline to capture this beauty’s heart. Therefore this romance slowly bloomed.