MTL - Blackstone Code - ~ Two thousand one hundred and fifty nine

In the current era, people are either normal or are with ‘special abilities’. Cases related to the latter are managed by the “National Anomaly Prevention and Control and Special Species Management Office”.
Qi Zheng Emperor Sheng Lingyuan was reawakened a thousand years later after he jumped off the fiery Red Lake. Xuan Ji, a newly transferred staff to the Reparations Division of the Deviant Control Office, finds himself having to clean up the mess of a revived tyrannical monarch. The two seemed to share something from the past, but unbeknownst to them, a big conspiracy is stirring right underneath their noses that could destroy the balance of the world.

- Description from Novelupdates

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Xie Changgeng, the governor of Hexi, married Mu Fulan, the princess of Changsha.

Xie Changgeng, who had not even seen what his bride looked like on their wedding night, finally returned home after more than half a year only to find that she had returned to her parents’ home.

Although very dissatisfied, he could only chase after her.

- Description from Novelupdates

Wang Li thought dying would be the end of his troubles. Instead, it was just the beginning.After his untimely death, he finds himself reborn in a world of powerful cultivators, ancient sects, and deadly rivalries. With a mysterious Primordial Rebirth System, he has a second chance to reach the peak of cultivation. There's just one problem…All of his ex-girlfriends from his past life are here too!From the cold and ruthless Mu Yuechan, the Ice Demoness of the Frozen Lotus Sect, to the fiery and unpredictable Lin Ruoyan, the Scorching Sun Saintess, and even the cunning and seductive Feng Yuling, the Fox Demoness of the Thousand Illusions Pavilion—each of them remembers their past with Wang Li.And they all have unfinished business with him.Some want revenge. Some want redemption. Some… might even still have feelings for him.But in a world where love can be deadlier than any sword, Wang Li must navigate sect politics, ancient grudges, and divine conspiracies—all while trying to survive his vengeful, jealous, and ridiculously powerful ex-girlfriends.Can he mend broken relationships? Can he avoid being frozen, burned, or seduced to death?Or will he somehow turn this chaotic mess into the greatest cultivation harem in history?One thing’s for sure—cultivation has never been this complicated!