The World's most Overpowered Side-Character - Chapter 373 Through the Capital City.

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 the midst of a mall parking lot turned battleground, Korig stands with a crowbar in his hands, blood-stained and bewildered.

Chaos reigns as the world crumbles into a nightmare of undead horrors.

Amid the panic, a digital screen materializes, thrusting Korig into a twisted game of survival.

“Main Objective: Survive the Zombie Apocalypse for an hour.”

“Bonus quest: Kill 100 zombies.”

The countdown begins, and Korig must navigate the terror around him, battling both the flesh-hungry undead and the enigmatic rules of a malevolent system.

As time slips away, Korig's past and present collide, revealing secrets that could be the key to his survival.

Will he conquer the unholy countdown, or become another victim in this relentless System Mania?

……………………………………………………………

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Good news: I have transmigrated to Teyvat and become the Heavenly Principle.Bad news: The world of Teyvat doesn’t have much time left.Good news: I have a system that allows me to devour two-dimensional worlds.Noah looked at the countless familiar worlds, tears of sorrow streaming down his face, and announced on the spot:“I will not only be the Heavenly Principle of Teyvat but also the Heavenly Principle of countless worlds.”“So, my rules are the laws.”From then on, one Heavenly Principle and a group of fierce Gods embraced trembling worlds one after another.After devouring the world of Demon Slayer, Teyvat’s lifespan increased by 5,000 years.After devouring the world of Akame ga Kill!, Teyvat’s barriers were strengthened by 100 times.After devouring the world of Inuyasha, Teyvat forms the cycle of reincarnation.…

With less than a year left before the night of genocide, Uchiha Habara decided to run away.

As a result, he never expected to activate the system that had not been activated for fifteen years, and was kidnapped by the Uchiha clan.

Fortunately, the system is not without rewards, and the stronger Uchiha is, the richer his rewards will be.

So what he can do now is to make Uchiha great again!

- Description from novelbuddy