Reborn: The Godfather Has Fallen For Me - Chapter 1

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

“Even in oblivion, you all shall tremble at the demon that lies beyond...”---Beaten, betrayed, discriminated against, and then sent into hell. Those were the words that defined Khan's life, if he ever bothered to think about it.In a cold world where the hearts of people surged in preparation for the next cataclysm that had the potential to wipe out the entire world, who had the time to care for a feeble, golden-haired anomaly with no memories of his first ten years?Sent away from the orphanage with the mission to end his life, fate was still not satisfied with punishing him enough.He found himself in front of a demon god who raised children into killing machines, known to complete every mission irrespective of the danger.Among a group of madmen, he was the maddest, given the name “The Hollow” due to his unfeeling attitude.But in essence, all he ever needed was a place he could call home and when his life flashed before his eyes and he awakened his memories, he embarked on that path.-----“My origin might be ten thousand light-years away from Earth, but even if I have to walk on the corpses of a million to reach it, then so be it...”-----But now he won't be walking this dark path alone:[Congratulations, the Host has successfully fused with the system.][Congratulations, Host has awakened The Bio-Nanotech System!]--------[Also Check Out My New Novel: Infinity Guardian System]

Xia Zhijun got the title ‘study god’ after scoring first place in the whole city. He’s the model of a good student in a teacher’s eyes: good grades, good manners, and quiet. When he wasn’t smiling, his entire body emits a cold abstinence aura. The girls only have the guts to look from afar and not get close.
Later, it was rumored throughout the entire school that even the study god would fight and hit on girls. Whoever dared to provoke his girl, he would teach you how to be a person at every minute. The night of the graduation ceremony someone saw him blocking Gu Siyi in the corner. He didn’t stop kissing even when she cried. He bit her lips and said in a raspy voice, “I’m going crazy…”
During college finals, Gu Siyi almost bursted out crying, “I’m such a failure. I won’t be able to find a good job in the future…And if I can’t find a good job, I can’t provide for myself…”
Xia Zhijun played with her pink earlobe and remarked, “I’ll take care of you.”
After they graduated, Xia Zhijun created a research company and Gu Siyi became the boss’s wife.
The commercial rocket, “Star of Siyi” was successfully launched. So everyone knew that the new technology superstar, Xia Zhijun has a wife who he spoils a lot.

- Description from Novelupdates

As the heir apparent of the Ye family, Ye Xuan went through fire and water for his family, but Ye Lang, who had just awakened his Divine Soul, usurped his place. In order to keep his position, Ye Xuan challenged Ye Lang to a Life-death Duel. With a broken Dantian, would he be able to win this fight?