Very Happy - Chapter 51 - Flattery

After dying in laboratory tests, Klaus transmigrated to a Sorcerer World, in a strange and peculiar character whose existence is an enigma. He knew this world, for it was the world of the novel one of his students wrote. He also knew the character because he created it. But it was a discarded character; it never appeared in the novel. How could he have transmigrated in it? Reality hit him soon after when he was sent to cross through the first test that every sorcerer must pass to awaken his abilities. There, he will have to fight against powerful monsters, which they call Curses, and against other Sorcerers, all to try to enter the select group of Sorcerers to discover the secrets that await in this world and understand his arrival to this and his existence. Just when he thought his journey might be boring, he received a peculiar and mighty power bordering divinity, capable of making him reach unimaginable heights. Although a bit dangerous...

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

The MC entered the body of the An family eldest son, An Ziran, an arrogant 16 years old boy who weighed 78 kg (~171-172 lbs), who only knew how to eat, play and sleep. Seeing his current body, An Ziran decided his first priority was to LOSE WEIGHT!

Transcending to the Otherworld, with the power of unique Attributes, to become the ultimate sovereign.Welcome to my world....Accidentally transported to the vast and boundless world of immortals and heroes, where the strong are revered and immortals and demons coexist.MC discovered that he possessed a peculiar attribute ability, which enabled him to quickly rise on the path of cultivation.With this talent, I have gone through numerous challenges and trials, constantly breaking through my own limits, mastering unparalleled immortal techniques, refining incredible artifacts, and forming an unbreakable bond with many immortal warriors and powerful individuals