Mushoku Tensei - Volume 23 Chapter 3 — The Person They Were Searching for

The first version: The life of Zach the Vampire in Barton City.

The second version: a vampire brought a bunch of nonhumans to live in Barton city.

The third version: strange creatures were secretly moving into Barton City.

Final version: The Barton explosion of nonhumans.

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

Kim Jeongjin, an editor of a publishing company on the brink of closing due to bankruptcy, ends up transmigrating inside a fantasy novel as the incompetent youngest son of a wealthy family.

And here he thought that he should live a rich life in this life…

“Why was I given a high-level skill? Don’t even bother!”

Traveling through the world in the book, he also became a dog-licking villain. Fortunately, with omniscience and omnipotence, Su Hao successfully reversed his fate.

Su Hao set a small goal for himself, to play the villain well first, so that the heroine would hate him, so he directly took the drunk CEO Bingshan to open a room, and forced him to be afraid, but the heroine in his arms not only did not dislike it, but Eager to try you…

- Description from novelbuddy