When I awoke, I found myself in the perilous world of Demon Slayer. Bound to a mysterious system-the Ultimate Defense System! Mitsuri Kanroji murmured in awe, "His strength surpasses even mine..." Kagaya Ubuyashiki nodded in admiration, "Truly, the Demon Slayer Corps' strongest shield." Even the fearsome Kokushibo conceded, "You embody the strongest defense our generations have ever seen." Akaza acknowledged me as an equal, "To master defense to such a degree... you have become a warrior worthy of fear." And the Demon King Muzan Kibutsuji-once unshaken-finally lost his composure, "No... no living being should possess such durability!" In a world where offense reigns supreme, I chose the path of resilience. I do not wield a blade to kill. I stand to protect. No demon shall pass me. No comrade shall fall behind me. I am not the hero this world expected- I am its unbreakable shield.

(Please Read) Before there was demons roaming the world it was the time of the Samurai and Ronin, wars were with normal people. Two men more like brothers and bound to one another just came back home from a war with a notorious Khan who was trying to take over their village and the surrounding area, their names, Andrew Urufuhāto and Yoriichi Tsugikuni. Yoriichi was married to Andrew's sister while Andrew was married to Maki, a beautiful woman from another strong clan. It was peaceful for a time, Yoriichi and his wife welcomed a little girl to the world and the family couldn't be more happy for them. Until one day a member of a rival clan found a virus that would strengthen him enough to take down anyone he wanted but the side effect made him the very first demon. He caused havoc all around until Andrew and Yoriichi stepped in after they learned a type of Battle Breathing, Andrew became the first Lunar Breather and Yoriichi became the first Sun Breather, they were opposite from each other but when combined together they were unstoppable, along with a select few who learned Battle breathing including Maki set off to protect the innocent making it the first Demon-Hashira War. The war lasted five years, in the fifth year Muzan was desperate and decided to hit the leaders of the Hashira were it hurt.. Their home... Andrew and Yoriichi didn't make it back in time and found His sister, Yoriichi's wife and daughter with their necks ripped out. This sent them in a rage, cause written in their blood was a note written on the wall telling them to meet him in a nearby valley that will eventually be referred to as The Valley Of The Dead. In the end it was only Andrew, Maki, and Yoriichi and Muzan with his top general Akaza. They Fought to near death until Muzan cursed Yoriichi's bloodline and mortally wounding Andrew to the point he was most certainly going to die. After Muzan was defeated Yoriichi and Maki took Andrew home to try and save him.

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+)

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!]