Systems Stories

Dudley Dursley was always just a background character in Harry Potter's story. The spoiled cousin, a boy destined to be forgotten. I didn't think much of that character either. Until the day I woke up in his body, carrying memories that didn't belong to this world and a system capable of redefining my limits. Destiny no longer felt absolute. And accepting the role of a mere observer, while the future of the world rested in the hands of a child, simply wasn't necessary. Some people believe Harry's path is already set. They're about to be surprised by the impact I can have. Magic, ambition, and a system have shaped who I am in this new life. This is the story of my rise as Dudley Dursley.

Ragnar awakens in the Naruto world during the Second Shinobi World War He survives because of one cheat - a God-Tier Treasure System that grants him powers from a distant pirate world. His first reward: all three types of Haki. When Ragnar unleashes Conqueror's Haki, his will alone crushes the battlefield, dropping tens of thousands of shinobi in an instant. Then come the Devil Fruits. Flame and stone fuse into a sun-like force, burning the sky and turning armies to ash. Chakra, bloodlines, and destiny mean nothing before absolute will. In an age of endless war, a new legend rises - the first Hakimaster of the shinobi world. @Patreon.com/TofuChan

Shendai obtained a system called the God-Level Comic Shop. As long as customers read comics, they can receive rewards-and Shendai can freely decide what those rewards are. Pain: "Boss, when will Hunter x Hunter be updated? Can that author be more consistent?" Kakuzu: "I want to read rich-man comics. Boss, are they available?" Tsunade: "After seeing Observation Haki, I've been winning nonstop. I've already made a fortune." Madara: "I've read One Punch Man three times. When will I get a Saitama-level body as a reward?"

[Pokémon · Power Fantasy · System · Transmigrator · Multiverse Crossover] Ding-Newcomer Gift Pack activated. You have obtained the Minato Namikaze Package: Rasengan · Shadow Clones · Flying Thunder God · Sage Mode. After dying unexpectedly, Aaron is reborn in a Pokémon world and awakens a System that grants abilities from other universes-Naruto, One Piece, Fairy Tail, and more. Starting with Greninja and expanding his team along the way, his Pokémon gain powers that should not exist, pushing battles beyond evolution, biology, and common sense. A system-blessed trainer is rising- and the Pokémon world will never be the same again.

Reborn into the world of Marvel, and now bound by a Devil Fruit system, the style of the world started to change. Deadpool: "It's amazing! The Smooth-Smooth Fruit has restored me to my peak appearance!" Iron Man: "I have my eyes on the Arms-Arms Fruit, and no one can snatch it from me!" Thor: "Impossible! The thunder and lightning this person summons are even stronger than mine!" Captain America: "Thanos, if you dare, eat another punch from my Quake-Quake Fruit!" ___________________________________________________________ I didn't create this; I'm just translating and editing it to make it more reader-friendly.

David was just an average guy living his regular life-until one day, he was unexpectedly reincarnated by a mysterious force known as Truck-kun. Now reborn in the One Piece world, David found himself in quite a predicament, as his knowledge of this universe was limited and fragmented. While he was an avid fan of Naruto, having researched everything from character backstories to even the sizes of their pants, his familiarity with One Piece was not as extensive. His soul was dragged into the abyss, and due to some unknown circumstances, it ultimately attached itself to a Lunarian. When he spawned in Little Garden as a Lunarian ninja, David hoped life would be easy. However, as he explored this new world, his body began to remember things from his past life. Will he uncover the truth about this new body, or will he meet his demise before he can piece it all together? Read on to find out! A/N I don't own Naruto that Kishimoto stuff, and One Piece is Oda stuff, this is just a fanfic.

(Sub: Ninja Scientist: Defeating Gods with Aerodynamics and Dust Explosions) "Don't hold us back, Tetsu," Fugaku Uchiha said, his Sharingan spinning with cold pity. "In this world, bloodlines are everything. A civilian like you should stay in the lab." I didn't argue. I just pushed up my glasses, calculated the precise air density, and flicked a handful of ordinary flour into the air. "In science, Fugaku, there are no miracles-only reactions." Ten seconds later, the invincible Uchiha fire-style met a massive Dust Explosion. As the smoke cleared, the genius finally understood: his eyes could track my movements, but they couldn't see the laws of physics. Transmigrated as Nishikawa Tetsu, a modern researcher in the brutal era of the Second Shinobi War, I have no bloodline and no system. All I have is a PhD-level understanding of the universe. While others waste chakra on flashy hand signs, I'm calculating muzzle velocity and fluid dynamics. From teaching Minato the aerodynamics behind the Rasengan to outfitting Konoha with weapons that make Susanoo look like a toy, I'm here to prove one thing: A railgun at Mach 7 doesn't care about your destiny. What to Expect: [Physics Over Bloodlines]: Dismantling S-rank Ninjutsu using high-school chemistry and advanced logic. [The Genius's Teacher]: Watch Minato and Fugaku go from "protecting the weakling" to asking for homework help. [Absolute Fix-It]: No Uchiha Massacre. No Minato's sacrifice. A high-burn, tactical survival story where science wins. [Smart MC]: No shouting for power-ups. Every victory is a calculated, brutal masterpiece of research.

I reincarnated into the brutal world of shinobi. To avoid becoming cannon fodder in the bloody Ninja Wars, I made the smartest choice possible: I became a Medical-nin. Stay in the backlines, heal some scrapes, and survive. That was the plan, anyway. Then, I awakened the [Miracle Savior System]. The rules were simple: Heal the injured, resurrect the dying, and farm god-tier rewards. Suddenly, the Shinobi world gained a terrifyingly "helpful" anomaly. Orochimaru: "Chiba, Nawaki's body is half-charred. His internal organs are fried. He is beyond saving." Me: "Stand back. I can fix him." 【Ding! Target Saved. Rewarded: Flawless Senju Bloodline (and Tsunade's eternal gratitude)!】 Anbu Operative: "Lord Sakumo's body has been cold for hours. It's over... let's just collect his corpse." Me: "Did I say he was dead? Move." 【Ding! Target Saved. Rewarded: Supreme Physique (Eight Inner Gates Unlocked)!】 The Entire Ninja World: "Are you out of your f*cking mind?! WHY WOULD YOU HEAL HIM?!" I didn't care about their screams. I only cared about the beautiful blue holographic screen flashing before my eyes: 【Ding! Target Saved. Rewarded: The Rinnegan & Six Paths Senjutsu!】 Years later, after emptying the System's reward pool, I looked at my hands in confusion. Weren't the Otsutsuki supposed to be self-proclaimed Gods? Why couldn't they even survive a single slap from a humble Medical-nin like me? [Warning: The MC is extremely pragmatic. He doesn't save enemies out of kindness; he farms them for loot. Fast-paced, ruthless progression, and maximum face-slapping!]

Gu Xicao travels through time, becoming an orphan girl who illegally immigrated to Hong Kong in the 1990s. At the start, she has no money and is about to be kicked out. Her only special advantage? A Gossip System! Gu Xicao: Don't panic. Watch me pull off some slick moves. Hong Kong in the 1990s was a place of dazzling wealth and economic boom. From street vendors to high-ranking officials and nobles, everyone was superstitious about feng shui and metaphysics. Gu Xicao bursts onto the scene. She doesn't need to do fortune-telling or read faces. She only needs a name to see through your past, present, and future. "Mr. Wu, bad news: your wife is in cahoots with your best friend, and they want you dead. Good news: your ex-wife and daughter still care about you." The big shot in the legal world changes his expression, immediately gets a divorce, and rushes to beg his ex-wife for a reconciliation, even offering hundreds of millions in assets. Everyone in Hong Kong is astonished. A serial killer strikes repeatedly, terrifying Hong Kong citizens so much that no one dares go out at midnight. The police headquarters issues a strict order: the real murderer must be caught within three days. However, Inspector Lam arrests the killer the next morning. Facing reporters, he says, "I caught the killer all thanks to Master Gu's accurate calculations!" Suddenly, Gu Xicao's reputation soars, and she becomes the top fortune-teller in Hong Kong! Countless newspaper headlines feature her deeds, and countless wealthy and powerful people just want her phone number! Gu Xicao: At first, I really just wanted to earn enough for a month's rent.

Alex was an ordinary person with the dream of one day being transmigrated to a magical world. But what he didn't expect is that he would be transmigrated to a world much more than that, a world he knew very well, but instead of being given a system that would empower him, he was given a system that allowed him to make games, and the more people played, the more powers he would get. Tony Stark: Son of a bitch, I can do in real life everything this Watch Dogs guy does, but why can't I stop playing? Hulk: HULK HATES DARK SOULS!!! HULK SMASH DARK SOUS ARRRHHHHGGG!!! Nick Fury: If any agent can't complete the Hitman game by next week, that agent will be fired from the Shield! A world of superheroes, but who controls everything is "only" a game developer.

Thrown away by the Zenin clan before he ever had a chance to matter, Ren awakens a system of eight impossible arts that lets him devour curses, forge weapons, command spirits, and break every chain. Satoru Gojo was meant to stand at the top. Sukuna was meant to be the nightmare at the end. Ren Zenin was never meant to exist. Now the timeline is breaking in this Jujutsu Kaisen AU.

[The Boys Fan Fiction + Soldier Boy + Pure The Boys, No Other Worlds + Resolving the Original Series' Tragedy + Educating Homelander] When Mike Lee woke up, he found himself transmigrated into the world of The Boys at the beginning of Season 1, in Soldier Boy's body... At the same time, he also gained a Son-Training System. As long as he educated Homelander by any means necessary, changed him, and guided him onto the right path, he would grow stronger... Educate Homelander? Then he might as well educate The Seven while he was at it. No, better yet, he might as well overhaul all of Vought. ... Fan translation of 穿越黑袍，开局成为士兵男孩 by 幸运儿小朵, if you can, please support the original author.

'Just how long have you been messing around in the Shinobi world? I've been here since the Sage of Six Paths founded Ninshu!' I was there for the battle against Kaguya. I was still there during the clash between Indra and Asura... I have witnessed the rise and fall of eras, sitting idly by as the Shinobi world wages its endless wars. Though I rarely lift a finger, legends of my existence are etched into every corner of this world. Time is a ruthless blade that strikes down even the brightest of prodigies, but I intend to stand taller than time itself. I am the one who knows all there is to know in the Shinobi world-a true Immortal! .............................. "Let's take a look at your 'Shinobi Age'." "Oh? You've already reached a century old? My, you gave me quite a fright!" "Let me give you a baseline number, just so you can grasp the sheer caliber of the veteran standing before you..." "My age in the Shinobi World is.... 5,000 YEARS!!!"

In the shadows of Konoha, the Uchiha were never defeated by rebellion. They were erased by fear, secrets, and silence. Toyoma Uchiha is not a prodigy chasing power, nor a fool blinded by revenge. He carries knowledge of a future where his clan is destined to be sacrificed-not for justice, but for convenience. As conspiracies tighten and loyalties fracture, Toyoma chooses a different path. Not blind obedience. Not reckless defiance. But careful resistance. With a handful of elders who still remember what it means to protect family, and enemies who smile while sharpening their knives, the Uchiha stand at the edge of extinction. This time, the future will not unfold quietly. This is not the story of a massacre. It is the story of a clan that refused to disappear. Disclaimer: Naruto and all related characters belong to Masashi Kishimoto. This fanfiction is written for entertainment purposes only. plot in this fanfic and characters used other than original belong to me. Early Access Available: Get 8-10 chapters ahead by supporting the story on Pat***n support-pat*****/hear_tteeth (18+)

Reborn in My Hero Academia, Yuto wakes with the Gura Gura no Mi, a Devil Fruit no Quirk registry can explain. With a system and memories of the future, he enters U.A. as All Might fades and the League of Villains rises. The world trembles as he aims to surpass the Symbol of Peace.

Reborn as Robb Stark, the heir of Winterfell, I awakened in a world that was not my own. The kingdoms are still at peace... for now. But I know what is coming: betrayal, death, and the cruel fate that awaits House Stark. The fall of the Young Wolf is already written in history. But this time will be different. I will not repeat the mistakes that doomed the real Robb Stark. In this game of thrones, the direwolf will not be the prey. He will be the predator. When winter finally comes, all of Westeros will learn to fear the Wolf of Winterfell.

This year, Hogwarts School of Witchcraft and Wizardry broke centuries of tradition to welcome a peculiar new student: a sixteen-year-old First Year. His name is Elian Thorne, and he didn't arrive in the Wizarding World empty-handed. Awakening the [Sorcerer Supreme System], Elian possesses artifacts that defy the laws of magic: the time-bending Eye of Agamotto and the loyal Cloak of Levitation. [System Alert] Ability Unlocked: Telekinesis Ability Unlocked: True Flight Skill Acquired: Astral Projection Voldemort: "I didn't sign up for this. I just wanted my nose back... is that too much to ask?" Dumbledore: "In all my years, I have never seen such potential. He is not merely a wizard; he is a force of nature unparalleled in our history." Hermione and Luna: "Elian really is charming... perhaps it's time to start planning for the future?"

When August acquired a Two-Way Dimensional Portal, he fully expected to be dumped into a zombie-infested apocalypse. Instead, he hit the isekai jackpot: a safe, randomized transport straight into the lively streets of Orario-the setting of DanMachi. August isn't some hot-blooded teenager looking to play hero. He's a pragmatic adult. He knows he has no combat experience and no magical lineage, so his survival plan is simple: keep his head down and fly entirely under the radar. As Hestia's divine blood again spills onto his back, it does more than just activate his muscles. It forcefully accelerates his abilities, carving a transformative status board onto his skin at Level 1. [Spatial Resistance] [Temporal Resistance] [Spatial Backpack] [Magic: Healing Fire] August just wanted to lay low. Now, he's the most wanted man in Orario!!

The MC's transmigrated into Marco's body, at the start of the Marineford War. Will he save Whitebeard? Will he save Ace? Will he save Both?? Check it out!!

After transmigrating, Vash Dale arrives in the world of Cyberpunk 2077, ruled by megacorporations, where street violence is mixed with high technology and low desires. Right from the start, he activate a God-Level Daily Check-in System and enter Night City as a free drifter. 『 Check-in successful! Host has obtained the 〈Perfect Driving Skill〉! 』 『 Check-in successful! Host has obtained the 〈Perfect Weapon Mastery Skill〉! 』 『 Check-in successful! Host has obtained the 〈Perfect Iron Man Cyberware Suit〉! 』