Naruto: The Strongest Sage.

The first year of the Konoha New Calendar.

After defeating Iwagakure and Kumogakure, Konoha officially established its position as the leader of the ninja world. It was not the kind of seemingly right and wrong leader that it had been before. It was a position that was truly won with human lives.

Taking advantage of this trend, Aoba once again promoted a reform to re-establish Konoha's legislation and designated the new year as the first year of the Konoha New Calendar.

Interestingly, after Konoha changed its legislation, Sunagakure was the first to respond and announced that it would also change to the Konoha New Calendar.

Afterwards, several younger brothers around him immediately responded to their elder brother and switched to using the new Konoha calendar.

At this time, it can be said that it is natural for the surrounding small countries to lick the country.

Didn't I see that the other big countries were defeated? The current Konoha is not the same Konoha as before.

In the old Konoha, a gentleman could be bullied by a gentleman, but in the current Konoha, if you don't provoke him, he will want to provoke you. If you don't hurry up and save him, when will you wait?

Iwagakure and Kumogakure insist on using the old calendar, but their influence is no longer as great as before.

As for Kirigakure, they were in a closed state again. No one knew what was going on inside. Even Konoha's intelligence system could not penetrate it.

Qingye deduced that it might be Uchiha Madara who had moved in. With his means and strength, the remaining three or two cats in Kirigakure had no chance of resistance.

However, this makes Mei Terumi and her group even more pitiful. They can't afford to offend any of Kirigakure, Konoha, or even other ninja villages. They can only stay in Konoha and wait for the opportunity.

It's not a good feeling to live under someone else's roof. But even Mei Terumi couldn't think of a better way.

Konoha Research Laboratory, the highest laboratory.

This laboratory was re-established later. Its confidentiality level surpassed all previous laboratories because this laboratory contained part of Black Zetsu's body.

Previously, the four Hokage teamed up to capture Black Zetsu, and although it seemed like a failure, they actually did not gain anything.

At the last moment, Black Zetsu forced his way into the Kamui space, even at the cost of tearing his own body apart.

The key point is that it is not simply possessing and controlling Obito's body. Instead, it is deeply integrated with Obito's body.

Therefore, during the tearing process, part of Black Zetsu's body was inevitably left behind.

Aoba attaches great importance to this part of Black Zetsu's body tissue. In a sense, this thing can be said to be the pure-blooded descendant of the Otsutsuki clan.

Because this was split from Kaguya herself. It was asexual reproduction. It was not contaminated by the genes of the ninja world at all.

Studying this thing might allow him to find the secret of the Otsutsuki clan.

Judging from the plot of Boruto after Naruto, the Otsutsuki clan can be called a clan born as gods.

Kaguya is just a low- to medium-level existence in the Otsutsuki clan, but she is already a final boss-level existence in the ninja world.

There are many Ōtsutsuki clans wandering around in the universe who are more dangerous than her. If you want to fight against this race, you need to truly understand them.

Unfortunately, the research on Black Zetsu was not going smoothly. For several months, there was almost no progress.

"So far, we only know that this is some kind of advanced Yin-Yang escape creation. But we cannot infer how it did it.

Its composition does not conform to our understanding of biology at all. From my observation, the genes of this thing are in an unstable state. According to conventional biological concepts, this thing should not have life at all.

But in fact, they are still alive. Even these separated parts still have incredible vitality. It doesn't fit our understanding of biology, and I don't even know where to start studying it. "

The person in charge of this project is the second generation Hokage, Senju Tobirama. As a master of Konoha's forbidden techniques, his research ability is absolutely top-notch. At least Aoba does not have the advantage of foresight, and is definitely not as good as him.

But now, Senju Tobirama is also helpless.

"Don't be so anxious. The ninja world has entered a brief period of peace. It can be said to be the calm before the storm. But we still have some time."

"But there's not enough time, is there? The more I study, the more terrifying I feel this thing is. A creature that does not conform to the biological concept of this world. I am now beginning to believe that these things come from outside the world. We need to do more preparation."

Tobirama is similar to Aoba in some ways. They are both the kind of people who plan ahead and look ahead.

After realizing that Black Zetsu was special, they immediately realized that what Aoba said to them might not be alarmist. They were facing a threat from outside the world.

Black Zetsu's research progress was slow, so Aoba focused his energy on himself.

He has completely mastered Shisui's Mangekyō. He can also skillfully release Susanoo. Now it's time to solve the problem of pupil power.

Aoba has Mirror's Sharingan in his hand. According to Aoba's test, the pupil power of these eyes is at the level of a kaleidoscope. But I don't know what the power is.

According to the description in the original plot, after the fusion of the Eternal Kaleidoscope, the pupil techniques of the two pairs of Kaleidoscopes can be selected.

However, Qingye had already made a choice in his heart, and that was to choose the other gods.

He didn't think Uchiha Kagami's Mangekyō was that powerful. Because if it was really powerful, he wouldn't have died so early and left so little information.

Not even Tobirama knew the other party's abilities.

According to the information provided by Tobirama, Uchiha Kagami died at the hands of Kinkaku and Ginkaku. And he was eaten by the other party after he transformed into a tailed beast. So there was not even a corpse left, and it was impossible to summon it through the Impure World Reincarnation.

This also fully shows that his kaleidoscope ability should be very ordinary. If it were someone of the level of another god, he would have been killed on the spot.

After such a long period of research, Qingye also completely figured out the fusion method of the Eternal Kaleidoscope.

First, he needed to consume all the pupil power in his eyes and make his Sharingan go blind, or at least reduce it to a level where he could hardly see.

This is because even if they are blood relatives, the pupil power of the Sharingan will interfere with each other. Therefore, one must be cleared before they can merge.

The power of the Sharingan does not come entirely from the eyes, but from the brain behind the eyes. After all, it is emotions that stimulate the Sharingan, and emotions come from the brain.

The normal Sharingan is a joint effort of the eyes and the brain to display the effect of a kaleidoscope. However, after the pupil power is exhausted, the eyes still exist, but the core essence inside will shrink and disappear, and eventually return to the brain for storage. The reason for this phenomenon is that the Sharingan itself is incomplete.

The operation of a kaleidoscope is like a rubber band connecting the eyes to the brain. If the rubber band is not long enough, you can only reach both sides by forcibly pulling it. When it is stretched, the rubber band consumes a lot of energy, so if you use it too much, you may go blind.

When the pupil power of the eye disappears, it is equivalent to the disappearance of the pulling force on the eye side. The rubber band naturally retracts to the brain side.

At this time, another pair of Sharingan with rubber bands joined in. Two or one and a half rubber bands were linked together, and the length was sufficient. Naturally, there was no need to tighten them, and there was no danger of blindness.