A Time Traveller's Guide To Feudal Japan - Chapter 223 - Inwards

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

After the final high school exams, Zheng Qing didn't go to the long-desired Imperial University. Instead, he packed his bags, hugged his fox, followed an enigmatic notice, and ventured into an unknown university.Here, there was no advanced math, English, or political philosophy; they were replaced with divination, astronomy, and the philosophy of magic.Extracurriculars here involved demon hunting,And the hobbies were curious and diverse.He would sail the sea of learning and climb the mountain of books.This bewildered young man started his tumultuous journey as a wizard.(Group created: Six Two Three Eight Five Eight Nine Three One, you're welcome to join.)

Dying in a tragic accident Marcus Ferrous gets transferred to a fantasy world of monsters and magic, except when he arrives contrary to what he expected he is now level one and a ghost. Left with nothing on a strange new world, Marcus will struggle with everything he has on his journey to get stronger and uncover the secrets of his new world.