Inside a swirling void of space and time, Uchiha Obito's eyes narrowed.
He stood alone in the vast emptiness of the Kamui dimension, his Mangekyō Sharingan spinning slowly. After several moments of silence, he frowned.
"…Still nothing."
With a slight twitch of his eye, the distorted space around him swirled again, depositing him back into the real world. He stepped forward with a sigh, shaking his head.
"Just a wall," Obito muttered. "It looks like Kakashi stored something inside Kamui again. He's either in a fight or experimenting with that damn eye technique."
His voice grew darker as he added, "What a pain…"
The thought alone made Obito's temples ache. Kamui was his pride, the cornerstone of his combat style. It gave him a near-invincible edge—intangible when he wanted, untouchable in most battles. But now, another person—Hatake Kakashi, of all people—had awakened the Mangekyō Sharingan and was starting to meddle within the Kamui space. Obito's Kamui space!
Worse, Kakashi wasn't just anyone. He was the man who once wielded Obito's left eye, the one he had gifted so long ago.
Now that eye had awakened.
Now, he might start throwing explosive tags in there. Or—Obito's brow twitched—what if Kakashi simply wandered in and bumped into him by accident while hiding from an enemy? What kind of absurdity would that be?
"I'm telling you," Black Zetsu said in a quiet, persuasive tone, "you should really consider retrieving that eye. Having both Mangekyōs would significantly boost your strength."
Black Zetsu wasn't wrong. With only one Mangekyō, Obito couldn't even activate Susanoo—one of the most powerful defensive and offensive techniques of the Uchiha clan. If he recovered both, it wouldn't just be about raw power—it'd be about versatility. Dominance.
But—
"Shut up," Obito snapped coldly. "There's no need. Even with one eye, I control the Fourth Mizukage, don't I?"
"Yes, yes…" Black Zetsu murmured, backing off slightly.
Obito's personality was always hard to navigate. He dreamed of Infinite Tsukuyomi, of reshaping the world—but remained stubborn about retrieving something so crucial to his own strength. The logic of it eluded even Black Zetsu.
White Zetsu interjected next. "Speaking of the Fourth Mizukage… there's trouble brewing in Kirigakure."
Obito turned to listen.
"That old fogey Yuanshi," White Zetsu continued, referring to the respected elder of the Hidden Mist, "has a trusted aide named Ao. They've been making moves—subtle, but noticeable. Ao seems to be preparing to verify if the Fourth Mizukage is under genjutsu."
The meaning was clear.
They suspected something was off. They were investigating the illusion Obito used to control the Mizukage.
"Hmph." Obito's eyes flashed. "That Yuanshi… does he have a death wish?"
"Be careful," Black Zetsu warned. "Yuanshi holds a lot of influence in the Mist. If you strike him directly, you'll only stir up chaos."
After a moment of thought, he added, "But… if Ao were to be eliminated discreetly, then the illusion might remain hidden. No one else would verify the Mizukage's condition."
Obito nodded. "We'll see. Eliminate the threat at its root."
Then something else came to mind.
"What about the Ichibi?" he asked suddenly. "Has Orochimaru handed it over yet?"
"No," White Zetsu replied, his voice tinged with frustration. "Orochimaru's like a snake—slippery, cunning. We haven't been able to pin him down."
Obito's eyes darkened. "What the hell is Nagato doing then?! We have so many members, and they can't even bring down one rogue Sannin?!"
"There's no need to worry too much," Black Zetsu said calmly. "He can't hide forever. With our network, Orochimaru will slip up eventually."
Meanwhile…
Far away, in the Land of Wind, deep within the ruined remnants of Loulan, something incredible had just happened.
Kakashi was standing still, his left eye covered by his palm.
Pain throbbed behind the socket—far beyond the discomfort of watching a full night's worth of "Make-Out Paradise." This was something else. Something deeper. Sharper. Yet… also more alive.
His breathing slowed as he looked at the two people in front of him—both utterly dumbfounded.
"You… Kakashi…" Obito stammered. "Your eye…! You awakened the Mangekyō Sharingan?!"
That shouldn't be possible.
He wasn't Uchiha. He didn't have the bloodline. He shouldn't be able to awaken that level of ocular power.
Senju Hashirama scratched the back of his head, puzzled. "Strange… Tobirama always said the Sharingan evolves due to emotional stimuli. Something about a specific part of the Uchiha brain producing a chakra secretion. But Kakashi isn't Uchiha… So how did he—?"
Obito's breath quickened. "No, it's not just that…"
His Mangekyō flared to life.
"The pattern… Kakashi's Mangekyō pattern—it's the same as mine!"
Impossible.
Every Uchiha's Mangekyō was unique. A reflection of their individual soul.
Hashirama's brows lifted as realization dawned. "Hold on… wasn't that eye from another world's Uchiha—your alternate self?"
Obito stiffened.
That's right. Kakashi's current Sharingan wasn't the same one from his world. It was from the alternate reality's Uchiha Daiou. It was Obito—just from another timeline.
If they were essentially the same person… then having the same Mangekyō pattern made sense.
Obito muttered under his breath, "…So the link goes that deep."
Then his voice hardened.
"What about the eye technique? What ability did you awaken?"
Kakashi blinked. "Eye technique?"
He glanced toward a partially shattered wall. "You mean that? I think it's called… Kamui? I just focused my vision on the wall and—bam—it vanished."
Obito's face went pale.
Without saying another word, he activated his Mangekyō and disappeared into the Kamui dimension.
A few seconds passed.
Then—vortex. He returned, holding a jagged, floating brick in his hand.
Kakashi pointed. "I did that?"
"…Yes," Obito whispered. "You tore it straight out of the dimension."
He looked ready to faint.
This didn't make sense.
Kamui was supposed to be his exclusive ability. In the Empire, where science and chakra had merged, Mangekyō evolution was an exact science. When Obito awakened his Kamui, it was under the precise manipulation of His Majesty—a ruler who used illusions and controlled emotional stimuli to engineer awakening.
Obito had been selected due to his high potential.
His Sharingan was first upgraded to three tomoe using chakra fusion. Then, through an emotional illusion sequence constructed by the Empire, he experienced targeted trauma, which stimulated Mangekyō evolution.
That led to Kamui—an ability that had caused a stir even among the elite of the Empire.
A personal dimension. At the Mangekyō level! Not even Rinnegan users achieved that with such ease.
Everyone had been jealous. Especially the Uchiha clan.
Even years later, dozens of Uchiha had attempted to reproduce his Kamui by undergoing the same emotional trap—but no one succeeded.
Kamui was his pride.
Now—
"You…" Obito's voice was hoarse. "What… what were you thinking when you awakened your Mangekyō?"
Kakashi scratched his head. "Hmm… I was thinking about… revenge. I remembered my father—how he was betrayed by the village. I thought about Shimura Danzō and how badly I wanted to cut that bastard into pieces."
Obito's mind blanked.
That was it?
That was enough to awaken Kamui?
Senju Hashirama whistled. "Well… strong emotions really do do wonders."
Obito groaned internally. Somehow, without scientific guidance, without chakra tech, without artificial stimulation… Hatake Kakashi had done what dozens of Uchiha failed to do.
And it was his technique.
Meanwhile, in another corner of the world…
Deep underground, hidden beneath a base cloaked in genjutsu and seals, a pale figure stood before an ancient scroll.
Orochimaru.
Golden, snake-like eyes flicked toward the shadowy silhouette beside him.
"So… Kakashi awakened Kamui, did he?" Orochimaru whispered, a cold smile spreading across his face.
The figure beside him, an artificial body with no chakra signature, nodded.
Orochimaru turned back to the scroll, excitement coursing through him.
"Interesting. The transfer of ocular power across dimensions has more hidden variables than expected. If we could harness this… perhaps there's a way to manipulate bloodline evolution across time and space."
He licked his lips.
"The Sharingan… the Mangekyō… Kamui…"
His voice lowered.
"…What a delicious little gift this world has given me."
To be continued.
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