Naruto: Konoha's Kanpu - Chapter 922: Sasuke vs. Lee

In the year 1368, at the end of July, deep crimson shall descend from the heavens.

- Description from Novelupdates

Meng Yu’s Golden Finger was called “Corruption Strengthens Tenfold, Becoming a Demon Strengthens Hundredfold,”both extremely fierce and convenient to use. “Those who consume Qi are divine and long-lived, constructing the foundation of ten-thousand generations, and on the day they achieve immortality (’Dan’), they break the self of yesteryears (’Infant’), transforming into heaven and earth, thus becoming immortals.” This is the eternally correct tale of the Qi Refinement Practitioner Meng Yu’s grand cultivation adventure.

Hagoromo Gensou transmigrated to the Naruto world and, through his own efforts, became a prominent figure in the ninja world.Until one day, the newly appointed Five Kage teamed up and ambushed him immorally. It was only then that the system finally appeared, claiming it could help him rise to become the strongest in the ninja world.However...Just as he was about to confront the Five Kage head-on, Gensou silently looked at the first task issued by the system.[Quest: Ninja School Comeback Initiated! Please defeat your dead-last classmate, Uzumaki Naruto.]“System, do you know what year it is now?”[Year 60 of Konoha]“Right now, it's Year 2 of Konoha! Is there something wrong with this system?!”...Many years later, Gensou opened his eyes again, standing on the rooftop of the Chunin Exams building. Looking at the Third Hokage, who was ready for battle, he smirked slightly:“Although it's a few decades early, I finally made it.”[Raw: 火影：我都硬刚五影了，系统才来]

There is no master god, no system, no exchange, and some are just source codes that are fused in the mind to open up the world, not to be forced or suppressed, but to constantly go through in order to become powerful Look at my infinitely powerful source code …

- Description from uukanshu