Academy's Silver Gatekeeper - Chapter 6

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

Doomsday comes, and human beings enter the heavenly world.
Ten years later, Yang Chen, who was betrayed tragically, returned strongly with the Tianyu bug. In this life, he vowed to make the betrayal pay the price. He has a powerful bug bonus, just like an open hang. Frightened to hear…

- Description from novelbuddy

[Starting in Tokyo, staying overnight for the first time. 】

[Only by becoming stronger can you stop everyone’s mouths. 】

【Only by becoming better can you live without regrets. 】

A boy reborn in Tokyo, my high school life began when I met a girl from a family.

This book is also known as “Sign-in begins with cohabitation”, “I play games in Tokyo”, and “The Perfect Life Begins with Private Toyosaki”.

To care about the people you want to care about, to protect the people you want to protect.

starting today.

“System, I’m not a human anymore!” – by Kato Yusuke

(This book is a comprehensive daily love story, sweet text.)

- Description from novelbuddy