Counterattack System appeared when I'm already At The Mahayana Realm - Chapter 522 - : 521

Genius, antisocial, solitary, intractable , maniacal.

At the turn of every era, it is he who raises the flag of the rebel cross.

Winners take it all, losers take the fall.

He who brings order to a chaotic world, assembles talents and masterminds.

He who hides among the crowd, yet stands on the top of the world.

— The one and only, him.

- Description from Novelupdates

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]

Ashley Gusman, a determined young Filipina, was driven by her sole ambition to provide a better life for her family. She was willing to go to great lengths to achieve this goal, even taking on the role of a surrogate mother for a Billionaire Heir.***~***CEO Tanaga Jones, who needed an heir for his empire, was adamant about not wanting a wife. Ultimately, he contracted with a woman to bear him a child.

Jack regarded himself as the greatest failure in the world; a broke unemployed law student who does nothing but laze around all day.This was until he was chosen by the Urban System.[Urban System Activated.]With its activation, the system elevated him beyond ordinary, gifting him the kind of video-game skills only protagonists possessed… and exposing the world’s real, long-buried truth.In reality, no human in the world was actually human. Everyone were descendants of fantasy races, each possessing strange powers and abilities that was supposed to exist only in myths and legends.Moreover, with the activation of the system, he had inherited the fate of the previous user who live the truth of the world all his life.Now Jack must confront that destiny, facing the dangers of a world far more fantastical… and far more perilous… than he ever imagined.