As an Uchiha I became the Jinchuriki of Senju Tobirama

Senju Tobirama had no time to reject Uchiha's evil pupil power, and subconsciously adapted to this excellent observation ability, observing the details of the explosive tag very carefully...

The more he looked, the faster the tomoe in his eyes spun, to the point where they almost formed a single image.

This scene made Kazuki laugh.

"No, how could this be possible?"

Senju Tobirama blinked his scarlet eyes, fell into great confusion, and his mind was in turmoil.

At this moment, he began to recall the day he met Kazuki.

The gears of fate began to turn from that night.

From Kazuki's water release, genjutsu and kenjutsu, which were identical to his...

To Kazuki's answer on the test paper on the Will of Fire, which expressed the same idea he had proposed when he was a child - "Shinobi must learn to control their emotions."

To Kazuki's talent for learning and transforming ninjutsu...

Countless fragments flashed through Senju Tobirama's mind, connecting them together like a movie.

And the anchor of all these thoughts stayed on this explosive tag today...

"Tobirama, am I right or wrong? Why don't you say anything?"

"Wait, wait, Kazuki... let me process this for a moment..." Tobirama replied, not even realizing that he hadn't called Kazuki a 'brat' for the first time.

Kazuki shrugged, and he was already happy in his heart.

"No, it's not right..." Tobirama muttered to himself. "When Kazuki taught the fire release technique to the monkey's son, he used the same methods as Uchiha Madara and Izuna. At that time I thought..."

At that time, not only Uchiha Madara noticed the abnormality, but also Senju Tobirama.

The third person who is most familiar with the changes in the nature of Uchiha Izuna and Uchiha Madara's fire release technique is not any Uchiha, but Senju Tobirama who has studied them the most!

Although Tobirama had found the resemblance uncanny, he hadn't come to the conclusion that Kazuki was Izuna's reincarnation.

After all, one or two fire release techniques were not enough to reveal the full picture.

Madara was convinced that Kazuki's kenjutsu was a sign that he was the reincarnation of Izuna, but Tobirama simply thought that Kazuki had used fire release to enhance his kenjutsu, with no connection to Izuna.

Tobirama had selectively ignored the fact that, after so many years of fighting, his and Izuna's kenjutsu had mixed, becoming almost indistinguishable.

Especially, Senju Tobirama was the one who was best at stealing skills. He plagiarized Uchiha Izuna's moves without any psychological pressure, and he was proud of it instead of being ashamed...

So, at that moment, Tobirama simply thought that he had been unlucky enough to deal with such an idiot in his previous life...

Then in this life, Kazuki, who is like Izuna, should accept his transformation and work for the Will of Fire!

Until today, Tobirama had considered Kazuki's similarities to him to be an extremely rare coincidence.

However, this explosive tag seemed to be questioning everything Tobirama had believed until now.

Is this really all just a coincidence?

At that moment, like Madara, Tobirama remembered the most widespread theory among the Senju and Uchiha clans...

The theory of reincarnation!

"It's impossible. If my chakra is reincarnated, how can Kazuki be so proficient in Uchiha Izuna's fire release? No, I am actually quite proficient in his fire release..."

Senju Tobirama frantically searched for the answer in his heart, and slowly looked at Kazuki's face, and he was stunned.

After Uchiha Madara blew up his bloodline as a reward, Kazuki's appearance and aura had begun to change little by little.

Although the change was subtle, Tobirama, with his sharp eye, noticed it immediately.

At first glance, Kazuki didn't look much like Izuna, but the more she looked at him, the more he reminded her of Uchiha Madara.

Could it be that Kazuki is the reincarnation of Uchiha Izuna!

No way! If so, how is the explosive tag explained?

Except for himself, no one can so easily unlock the restrictions in this space, Senju Tobirama is very sure of this.

Furthermore, Kazuki was not only skilled in fire release techniques, he also perfectly mastered his water release...

Senju Tobirama stared at Kazuki, the Sharingan burst out with an extremely powerful pupil power, as if to see through Kazuki from the inside out!

Kazuki laughed to himself, enjoying the old man's confusion.

It must be admitted that the Sharingan suits Tobirama well. His eyes were already a deep red, and now with those tomoe spinning... there's nothing out of place!

"Why don't you say something, Tobirama? Are you pretending to be a master if you don't say anything?" Kazuki said, trying to provoke a reaction.

But Tobirama was still in shock, not taking his eyes off Kazuki. The tomoe in his eyes were spinning at full speed.

Finally, after a long silence, Tobirama opened his eyes wide, having come to an absurd, yet compelling conclusion.

'Damn Uchiha Izuna, even chakra is competing with mine for reincarnation!'

Senju Tobirama suddenly ignited his fighting spirit, roaring in his mind: 'You can't imagine it! My chakra and soul are in Kazuki's body, one against two, the advantage is mine!'

'When I find your chakra in Kazuki's body, I will definitely wipe you out completely!'

Make bold assumptions and verify them carefully…

As a scientist, Tobirama has always maintained this attitude.

This applies to people and things.

So, Tobirama could come up with such a creative explanation.

When he calmed down for a moment, got out of the bold assumption stage, and began to verify carefully…

But he found that the logic was really self-consistent, and he didn't even find any loopholes!

Kazuki knows his water release and kenjutsu, which are in the aspects of ninjutsu and fighting, and belong to external manifestations.

And the words on the test paper of the will of fire that are exactly the same as Tobirama's childhood thoughts are internal manifestations.

And the ultimate proof came when Tobirama remembered how Kazuki explained the way he had summoned it inside his body.

If it wasn't his chakra reincarnation, how could he accurately sense his soul from the Pure Land without a medium?

Furthermore, Kazuki had managed to establish a bond of power with him, handling his strength as fluidly as if it were himself, and could even access his unique explosive tag space.

After this series of evidence, Senju Tobirama could no longer tell himself: This is a coincidence.

How can there be so many coincidences!

On the other hand, Tobirama also realized that the evidence that Kazuki was the reincarnation of Izuna was also quite strong...

Izuna's Muramasa sword was a perfect match for Kazuki, their fire release techniques were identical in nature and form, and most crucially, the Uchiha blood coming from Madara made him almost certain that…

Kazuki must have a connection with Izuna and Madara!

From Senju Tobirama's perspective, Kazuki is the descendant of Uchiha Kagami. Doesn't he know whether he has a blood relationship with Uchiha Madara's lineage!

So, apart from the reason of bloodline, there is only one possibility, reincarnation...

[From the target Senju Tobirama: You have obtained the Senju bloodline (Senju Tobirama version)!]

Kazuki looked amused at Tobirama, who seemed deep in thought.

Senju Tobirama exhaled a long breath.

As the head of the Senju clan, he had of course heard of the reincarnation theory and even did research on it.

'Because of that rumor, I made an analysis of the personalities of the leaders of the Senju and Uchiha clans...'

'Although each of them has similarities, they still have their own distinct characteristics. Therefore, the influence of my chakra and Uchiha Izuna's chakra on Kazuki is also limited...'

But Kazuki also has my soul in his body!'

Senju Tobirama instantly ignited!

He would never lose in a competition with Uchiha Izuna!

Kazuki looked at Senju Tobirama speechlessly. This old man had been trapped in his own world since he took out the Explosive Tag, and now he was inexplicably aroused...

Even his hair seemed to stand on end, and the tomoe on his Sharingan spun so fast that they left shadows. If he continued like this, Kazuki feared that Tobirama would awaken the Mangekyo Sharingan before him.

"Kazuki, little brat, I accept your explanation for the time being."

Senju Tobirama pretended not to see Kazuki's playful expression, coughed and said: "In the future, if you want to borrow my power under reasonable circumstances, you can still come to me for discussion..."

Kazuki raised his eyebrows.

"Forget it, Tobirama, your power is just so-so..." Kazuki looked at Tobirama's Sharingan with a smile, and whispered: "How is it, isn't the power of Sharingan very intuitive and powerful?"

Senju Tobirama subconsciously wanted to nod, this eye is really useful, and it is a perfect match for his fighting style.

But then, he shook his head disdainfully. "Little boy, don't brag, I don't need to tell you who Uchiha Izuna was defeated by?"

"Who asked you?" Kazuki rolled his eyes at Tobirama. "Okay, the matter has been explained clearly, I'm going to practice."

Tobirama stared at the disappearing image of Kazuki. I don't know if it's a psychological suggestion, but Tobirama always felt that Kazuki, who once resembled Madara, now had an air that reminded him of himself...

...

Hokage Residence.

"Old man, I must refuse this. When I returned to Mount Myoboku this time, the Great Toad Sage gave me a new prophecy..."

Jiraiya waved his hands repeatedly, his eyes solemn. "The prophecy has changed greatly compared to before. I must find the child of prophecy as soon as possible. I am afraid I don't have time to take Asuma and this Uchiha kid..."

Jiraiya didn't say anything else. His apprentice had the opportunity to become the child of prophecy. If he accepted Asuma and Kazuki, he might break the predetermined fate and make the whole shinobi world more chaotic...

Sarutobi Hiruzen narrowed his eyes, lit up his pipe, and smoked slowly.

He was very dissatisfied.

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