I Became the Billionaire's Target After Pulling Out From My Marriage - Chapter 150 - : Creating a Chance Encounter

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

What would you do if you could restart your life?

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.”

Leon Cromwell was hit by a truck and died. He thought he would never open his eyes again, but when he did, it was not what he expected.

“What? Black bones?! What's going on? Where am I?!”

He had been reincarnated into a world of magic and war! With his new situation, Leon had to find a way to get strong quickly and be able to hold his ground against the countless enemies that will come his way!

Follow the black skeleton, Leon, as he explores this new world, makes friends, finds love, and gets down to the bottom of his sudden death.