MTL - Metropolitan System - Chapter 2013 Difficult to solve

Jotaro awakened his Stand at 17 years old, but unexpectedly bound to a bastard system. Under the system's effect, he was forced to go to other worlds. In order to return to his own world, Jotaro had no choice but to complete the tasks issued by the system.Demon Slayer world: “Yare yare, Muzan, there's only one reason you failed, and that is, you pissed me off!”One Piece world: “You bunch of guys, I’ll be the one to judge you!” While violently beating up the Celestial Dragons, Jotaro completed a research paper on sea king-type creatures.Naruto world: “The one judging you is my Stand, Star Platinum!” Star Platinum, the true god of ninjutsu, ultimate hand sign speed. You call yourself the Copy Ninja?Originally, Jotaro only wanted to find a traditional Japanese woman to marry and have children, but he seemed to have underestimated the Joestar bloodline's attraction to women. Unknowingly, the women surrounding him grew more and more, and all willingly.The chatter of lovely women behind him made him extremely annoyed.He suddenly turned around and shouted, “Yakamashi! So annoying! You stinky hags!”[1st World: Demon Slayer2nd World: Tokyo Ghoul3rd World: One Piece4th World: Naruto]

I died in my world… and woke up in someone else’s story.But not as the hero. Not as the villain. Not even as a side character who mattered. I’m… an NPC—a nobody, a background observer, invisible to everyone.At first, I thought I was powerless. But then I discovered something strange: I could leave notes, whisper hints, move objects… small nudges that subtly changed the story. Every tiny action rippled through the plot, shaping outcomes, saving lives, and altering the fate of heroines, heroes, and even villains.The catch? The story is alive. It resists interference. Push too hard, and accidents happen. Plot twists turn against me. Minor disasters loom. The more I try to influence, the more the story fights back.So I play carefully. I study. I manipulate quietly. I watch the heroines, heroes, and overlooked side characters, weaving invisible threads that guide them. I don’t fight. I don’t cheat. I survive—and maybe, just maybe, I can change the story from the shadows.From an unnoticed NPC to the hidden hand behind the world, I’ll prove that even a nobody can rewrite the story.

Follow Chen Ming as he accepts disciples, establishes a sect, and fights his way in a world that deems him a cannon fodder.
He goes against any common sense using his wits and novel knowhow to finish missions and arm himself against his cruel fate.

- Description from Novelupdates

Gao Gong transmigrates into a Cyberpunk world and finds himself on the verge of death. Surrounded by at least a dozen of enemies, he awakens a system, and the first mission he receives is running for his life.[Task: Life-taking Sprint]Difficulty: NormalTask Brief: As an outstanding Mechanical Hunter, you encountered a sudden battle, ending with your death. Was it really an accident? The urgent matter now is how to save your skin.Task Objective: Return alive to the Black Rose Petrol Bar or find Black RoseTask Reward: Experience +1500 A dog's life