Fated To Not Just One, But Three - Chapter 6: Apology

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

Vahn was an atypical youth. Due to a rare mutation, his blood had the potential to target and attack ailments within the human body. Touted as a universal cure, people had elevated his status above the norm and given him the classification "Panacea". In the media, he was hailed as a great hero who would usher in a new era or human wellness. However, behind the scenes things weren't so bright. Being a unique individual, Vahn spent his entire youth locked up in a lab with various scientists and research teams using his body and blood to perform endless amounts of experiments. The only solace in his suffering was the various anime and manga made available to him between experiments. He often imagined himself as the protagonist in a world of his own, finally in control of his own destiny. For years he nurtured this desire, until at the age of 14 he died when an organization had tried to kidnap him from the lab...

A hundred-year-old ghost who had been haunting the world had become the real daughter of the Stephens family who had some mental problems.As soon as she returned to her family from the village, her fiancé immediately came to break off the engagement and chose her cousin instead.Even his cousin who was adopted to be her parents’ son had also mocked her, “I’m sorry that I have taken your place. In the Stephens family, anyone that cannot contribute will be discarded.”Just when all the other rich families were waiting for the jokes that she would make, those who were perceptive realized that she had changed.She had risen from the bottom of her class to become the top student.Anything she said would become real. Even great scientists, merchants, and martial artists chose to become her follower.Leaders of all the fields: If she’s garbage, then I’m less than garbage. Have you ever seen anyone as good as her ending up as garbage? The Si family must be blind!While she was afraid of being alone, the CEO that loved her introduced her as he stood next to her, “This is my one true love.”

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates