Undead Mage from a Cell - Chapter 581 - 579: A New World

“Why is it that everyone has hated you since you were little?”“Why do you always manage to explode with power when you’re in dire straits?”“Why, despite having no weak chakra control, can’t you even walk on water?”Kurama (Nine-Tails) looked up and laughed heartily: “There’s only one answer—”“You are! The one who nearly destroyed Konoha and killed the Fourth Hokage twelve years ago! The Jinchuriki of the strongest tailed beast, the Nine-Tails Kurama! Hahahahahaha!”

On that fateful day, a voice in the sky told everyone on Earth that the world they called home has just been part of some sort of simulation.

Throughout this current life of mine, I will pay no attention to my past lives, nor will I seek future lives. I wish to live vigorously, to pay back debt of gratitude and fulfill duty to avenge, to defeat valiant heroes from all species, and to proudly laugh at all the Gods and Demons of the Six Path of Reincarnation!

- Description from Novelupdates

Seeing the cause of justice, the student Ning Tianlin, who was strangled, accidentally gained a combat system in the local government and returned to Yang.

What the hell, your fighting power is only fifty, then you still pretend to be me! I’m sorry to tell you 10,000 points of combat power!

What are you doing, have you been boiled down, trained in martial arts, and practiced iron gear? The fighting power is five hundred? That has something to do with me, I won’t tell you, the clothes I wear, but combat equipment! Just a single underwear, can add a thousand fighting power to me!

Hey, why do you say my combat power has increased so fast? Can I tell you that if I step on an ant and destroy a cockroach, can I increase my combat effectiveness?

- Description from uukanshu