MTL - Marvel: Trading From the Ninja World - v2 Chapter 307 to the universe

The great journey of an ordinary martial artist.“Once your habit is tainted, you have no choice but to live as a dog forever. Do not turn the wolf inside you into a dog.”

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

Lin An woke up and found himself in an Eastern Fantasy world.