MTL - The Dead Cycle - Chapter 5 Recruit

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

In a tyrannical world, what is evil? What is benevolence? All living creatures are brutal. Passing through the heaven road to find one’s purpose in life. Struggles to be stronger is not an easy path. The whole journey thistles and thorns, one blade chops open a path, I alone will be supreme!

- Description from Novelupdates

“Teacher Zhu, the retake student from your class has arrived.”When the security guard brought Chen Nan to the entrance of Class One in the third grade, Zhu Keren's beautiful eyes instantly revealed a look of disbelief, but more than that, there was panic and unease.She hadn't expected that the young man she had encountered on the bus would turn out to be a student in her class.This made her scalp tingle, and she felt almost suffocated.After all, she was an advanced teacher at the school, whose reputation and teaching ability were well recognized.Yet previously, she had behaved like a slut, taking the initiative to grab Chen Nan's vital part, even seeking pleasure in her own private area.

Reborn as an Evolving Space Monster.The Paru is a peculiar Species that can be found billions of light-years away from Earth, on a small planet covered by strange minerals and crystals. The Parus are peaceful, as they can eat anything. From earth, to minerals, all suits their tastes. Why would such a peaceful Species develop the ability to Evolve by Devouring? The Parus Devour the minerals and crystals, which allow their shells to grow tougher and tougher every day. What happens when a person is Reborn as a Paru? What happens when a Paru isn't seeking a peaceful life, but one filled with adventure, adrenaline-pumping fights, and otherworldly beauties?The peaceful Species turns into a Calamity feared by this universe, and the next.