The Three-Tails, Isobu.
A gigantic turtle-like tailed beast covered in countless spikes, possessing three massive tails. It excelled at aquatic combat and had previously been sealed within the Fourth Mizukage, Yagura Karatachi. After Yagura's death, Isobu eventually reappeared in a vast lake within the Land of Water.
Land of Water, border.
A young girl whose charm could not be concealed even beneath sunglasses and a hat easily slipped past the border guards and entered the territory of the Land of Water.
Who was this beautiful girl?
Of course, it was Chinatsu.
"Traveling abroad~ I never even got to do this in my previous life, so I guess this counts as fulfilling a dream. But… the air here is so humid. Just walking around makes me feel sticky all over… uncomfortable."
Chinatsu admitted that she wasn't particularly obsessive-compulsive, but after spending years living in Konoha, suddenly arriving in the perpetually misty Land of Water felt rather unpleasant.
Fortunately, she wasn't wearing a dress.
Otherwise, the sticky sensation alone might have made her turn around and run straight back to the Land of Fire.
"Let's finish this quickly. I don't want to stay here any longer than necessary."
Chinatsu sighed helplessly as she pulled out a rough map of the Land of Water.
Although she couldn't pinpoint Isobu's exact location, searching around large lakes while following rumors of mysterious aquatic monsters greatly narrowed the possibilities.
Chinatsu: Although everyone including me keeps saying I'm not very smart, I'm actually incredibly clever in many situations!
Chinatsu grinned proudly.
After lingering near the border for too long, she noticed the guards beginning to pay attention to her position.
Without hesitation, she stomped her foot and disappeared using the Body Flicker Technique.
The guard blinked repeatedly and rubbed his eyes.
Another guard who had noticed his reaction hurried over.
"What happened?"
"I think I just saw a girl…"
"A girl? That's serious! We should report it immediately!"
"No… maybe I imagined it. She appeared for an instant and then vanished. But it didn't look like an ordinary Body Flicker Technique. I know what those look like."
As a border guard, he was naturally an experienced shinobi.
Unfortunately, not all Body Flicker Techniques were the same.
After all…
This was the Body Flicker inherited from Shisui Uchiha's bloodline.
Shisui's little sister, Chinatsu, reporting for duty!
Using continuous bursts of Body Flicker, Chinatsu quickly arrived at her destination a massive lake hidden deep within the Land of Water.
She first concealed herself among the nearby trees and carefully observed the surroundings.
No sign of Deidara.
No sign of Sasori.
Good.
Only after confirming this did she step out from the forest.
"Phew~ Just as I thought. My efficiency is way higher than Deidara's and Sasori's. They probably haven't even reached the Land of Water yet."
One hand resting on her waist, Chinatsu looked proudly at the peaceful lake before her.
Nobody would have guessed that a tailed beast was sleeping beneath its surface.
According to the original story, Isobu would eventually be captured by Deidara and Tobi.
However, because Shukaku remained safely in Konoha and Sasori was still alive, this time the original duo of Deidara and Sasori would likely be sent together.
Even so, Chinatsu didn't think Isobu could defeat them.
Tailed beasts without Jinchūriki simply couldn't display their true combat potential.
Only Jinchūriki and especially Perfect Jinchūriki could fully utilize a tailed beast's power.
Chinatsu rubbed her chin thoughtfully.
Since Deidara and Sasori hadn't arrived yet, waiting around would be boring.
"Hmph~ Guess I'll try talking first."
"Cough! Cough!"
She cleared her throat and inhaled deeply.
Then, gathering the same energy she normally used while disciplining Naruto and Sasuke, she shouted toward the lake:
"ISOBUUUUUU!!!"
The shout echoed across the entire lake.
Wave after wave of reverberations bounced through the surrounding mountains.
The moment she heard her own echo, Chinatsu's face reddened slightly.
The previously calm lake immediately reacted.
Countless bubbles erupted from beneath the surface.
Huge ripples spread outward.
Seeing this, Chinatsu instantly formed hand seals and raised a massive Earth Release wall in front of herself.
A few seconds later
BOOM!!!
A colossal figure burst from beneath the lake.
Water exploded outward like a tsunami.
Fortunately, Chinatsu remained completely dry behind her Earth Release barrier.
Had she not prepared beforehand, she would have been drenched from head to toe.
And she hadn't packed spare clothes.
"Who are you? How do you know my name?"
Isobu stared suspiciously at the tiny human before him.
Very few people knew the true names of the tailed beasts.
Even many Jinchūriki never learned them.
"Don't be so nervous. I'm not a bad person. On the contrary, I'm a good person. A very, very good person."
Chinatsu stepped out from behind the earth wall and smiled brightly.
Then she even made a heart shape with her hands.
"...."
"...."
"Ahem. Don't look at me like that. I really am a good person. Of course, it's normal that you don't believe me. Unfortunately, I never learned Naruto's Talk-no-Jutsu, so I'll have to use a slightly different approach."
Chinatsu coughed awkwardly.
Meanwhile, Isobu suddenly felt an ominous premonition.
"What is this feeling…? Why am I afraid of a human girl? No… this pressure… these eyes…!"
Before Isobu could react, Chinatsu's eyes transformed.
The Eternal Mangekyō Sharingan appeared.
For a brief instant, Isobu's vision went completely dark.
When the darkness vanished, both of them were standing within a spiritual space created by their consciousnesses.
Chinatsu stood calmly with her hands behind her back.
The Eternal Mangekyō Sharingan radiated overwhelming pressure.
"Isobu, I'm really a good person."
She smiled.
"After all, if I were a bad person… I'd already be controlling you."
Isobu's enormous body instinctively trembled.
It wanted to believe her.
It truly did.
But every tailed beast carried memories passed down through generations.
Memories of being enslaved by those crimson eyes.
Memories of Madara Uchiha.
Memories of Uchiha manipulation.
Memories of becoming nothing more than weapons.
And now…
Another Uchiha stood before it, smiling kindly while displaying an Eternal Mangekyō Sharingan.
From Isobu's perspective, that was not reassuring in the slightest.
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