The Ruler Of Darkness - Chapter 15Book 6:

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.

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

☆The original novel of Netflix's hit drama Accidentally in Love☆

Chen Qing Qing is the daughter of a wealthy family, desperately wanting to avoid an arranged marriage and find love on her own terms. On the day of the wedding, she flees town and heads out to enroll in the same college where her parents studied, hoping to find out more about their death.

She changes her appearance and name in an effort to hide her true identity and does her best to blend in with her classmates. Her desk-mate in school turns out to be the famous singer, Si Tu Feng, whom she's already had multiple run-ins with. The two don't start off on the right foot, quarreling constantly and causing each other trouble. But could there be more between them?

Thus starts Qing Qing's quest for answers about her parents' death and a chance at real love.

A surgeon accidentally got the blessings of a system, shocked the medical industry, and rejuvenated countless people.

- Description from Novelupdates