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Welcome To Demon School ! Iruma Kun 『 Sasuke Uchiha 』

Welcome To Demon School ! Iruma Kun 『 Sasuke Uchiha 』

IamSHIYAM
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Synopsis
In the shinobi world’s final moments, Sasuke Uchiha dies protecting Boruto from Code’s ambush. But instead of fading into nothingness, his soul is pulled into another world — one where demons roam, humans are rare, and cruelty reigns. At that exact moment, a baby is born in the human world: Iruma Suzuki, to parents who never wanted him. He doesn’t cry. His eyes are too sharp. His aura feels... wrong. That’s because deep within him, the soul of Sasuke Uchiha now sleeps. Iruma is raised not with love, but with burden. Forced to work and obey, he becomes a silent tool to his parents, used and forgotten. When they sell him to a demon merchant, Iruma believes this is the end. But fate has one more twist. Iruma is Sold to Sullivan, one of the 13 Demon Crown Kings. Instead of cruelty, Sullivan offers him warmth, love, and a family — something Iruma never had. That’s why Iruma Never hides his sword and seals his eye behind a handband. But How did he unlock Mangekyou sharingan ? But before that, Iruma Long ago think as 3 years ago Iruma see a man . He stood at the edge of the cliff, the wind tugging at the long, obsidian cloak that draped over his frame like a shadow given form. A single sword hung at his hip, the sheath worn from countless battles. His outfit, dark and sleek, clung to his form for ease of movement—high-collared, with muted blues and blacks blending into the night. A metal guard wrapped around his wrist, and a single cloth band tied across one eye, hiding the power that could shatter mountains. He rarely spoke unless necessary, and when he did, his voice was low, calm, and carried the weight of a man who had seen too much. His name is Kuro Akari. He is a very kind guy. When he saw Iruma in that position, working so hard, he thought he could help him. So he took Iruma with him, although Iruma returned home at night every day. And now, he works under him. He trains Iruma like a teacher, giving him some tips—although he doesn’t need to—but he still did. Iruma, seeing this, was reminded of his old self『 sasuke 』… but in a better version [ Like kind heart and pure soul ]. So he accepted his offer. And that’s how it began. One day, an unknown demon crossed the borderline and came to the human world. And by some fate, that demon met Iruma. With just a glare, Iruma was scared. Although Iruma had trained hard, in front of that demon, he was like an ant facing the sun. At that time, while trying to protect him, his teacher—Kuro Akari—came and stood in defense. That demon rushed toward Kuro and, while toying with him for two minutes, Iruma ran to hide. Later, that demon killed Kuro-sensei. Iruma was really hurt. This time, it felt just like how he lost his family, brother, and clan. Now it was the same. When Kuro is killed by a powerful demon, Iruma’s world collapses again. His grief ignites the Raven Eye — a mysterious mutation of the Rinnegan. He takes up his mentor’s cursed sword, born from pain and vengeance. His power awakens fully… but so does his hatred. 『And that Demon name is Lucifer ! The strongest and First Demon To ever exist』 But throughout Iruma’s training, Iruma unknowingly got a new skill activated — Soul Connect. If somebody dearly says something to him, he can’t refuse. [ Like Original Iruma ] But if somebody has guilt or bad intent, he can sense it. This is not the tale of a hero nor a villain.
actionadventurecomedymagicweaktostrongsurvivalvillaintragedynarutonaruto crossover
Table of contents
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Chapter 1 - Power

Power System – Sasuke's  Era Powers 

Main Powers :

1. Rinnegan Abilities (left eye): Amenotejikara: Instant short-range teleportation/switching places.Space-Time Ninjutsu: Opens portals to other dimensions.Chibaku Tensei: Gravitational black hole-style jutsu.Preta Path: Absorbing chakra-based attacks.Universal Pull / Almighty Push (basic Rinnegan stuff).

2. Mangekyō Sharingan (right eye): Amaterasu: Black flames that never extinguish.Kagutsuchi: Control over Amaterasu flames (shaping them).Genjutsu: Strong illusions.

3. Kenjutsu & Taijutsu: Master swordsmanship with Chidori-imbued katana.Flash-step speed, especially with his teleportation.

4. Chidori Variants: Chidori Stream, Chidori Sharp Spear, Chidori Senbon.

5. Lightning & Fire Release: Expert in both elements.Can coat himself in lightning to boost speed (Body Flicker style).

6. Six Paths Chakra: Boosts all stats.Lets him sense chakra from far away.Buffs his physical and mental abilities.

 

7. Summoning Jutsu: Summons Aoda, a massive snake. And can also summon many animal . [ But for this fanfiction he can only summon crow ]

8. Sasuke's Susanoo Powers:

Height: Towering, about the size of a building (and bigger at full form).

Weapons: Can summon a giant bow, sword, or arrow, all chakra-enhanced.

Speed & Power: Incredible striking force, can cut mountains.

Defense: It acts like a chakra armor. Nothing normal can break it.

9. Summoning: Kagekarasu (Shadow Crow)

Disappears in a burst of crows (like Itachi) – fast escape or dodge.

Flock of Illusion: Surrounds enemy with crows to confuse or distract.

Shadow Bind: Crows trap enemy movement.

Mega Crow Fusion: Crows combine into a giant bird demon for aerial battles.

Messenger Mode: Carries messages or scouts.

Iruma's New Familiar: "Kagekarasu" (影烏 – Shadow Crow) - Naberius Kalego .

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