Reborn into Naruto World with Tenseigan

‘If even the population of the Uchiha Clan was restored to normal levels within several years after the internal conflicts, then why is it that the population of the Hyuga Clan is declining, despite the fact that there have been no such conflicts in the Hyuga Clan?’

The more Kuroto thought about this situation of the Hyuga Clan, the stranger he felt…

At the same time, he couldn’t help but think of the branch family of the Ōtsutsuki Clan on the moon.

As far as Kuroto knows, when the branch family of the Ōtsutsuki Clan on the moon officially started a Coup d’état, they had already gathered everyone’s Byakugan and used them on the Giant Tenseigan… so at the time of the final war between the main family and the branch family, the branch family was able to wipe out the entire main family quite easily with the help of the Giant Tenseigan while remaining unscathed themselves.

In other words, during the last stage of the war between the main family and the branch family, the main family was wiped out completely, while the branch family did not lose any of their men thanks to the fact that they used the Giant Tenseigan in the war.

If this is the case, then a very strange question comes into Kuroto’s mind.

The branch family of the Ōtsutsuki Clan did not suffer any major damage in the war because of using the Giant Tenseigan, and after the demise of the main family, the branch family had no enemies on the moon, so why are there only three or four people currently alive in the branch family, and why did the rest of the branch family perish?

It couldn’t have been because of the repeated internal marriages, right? After all, the branch family had at least several thousand clansmen… so a recessive genetic disorder caused by inbreeding couldn’t have been the reason why the branch family of the Ōtsutsuki Clan is on the verge of perishing!

And if this isn’t the case either, then Kuroto feels that the branch of the Ōtsutsuki Clan on the moon started to perish for seemingly no reason.

While pondering over this issue, Kuroto suddenly thought of a hypothetical possibility.

The Ōtsutsuki Clan on the moon created the Giant Tenseigan and started the system of gathering and merging the Byakugan of the deceased ones into the Giant Tenseigan after Hamura passed away… and after the main family was annihilated, the branch family continued that tradition.

So, it won’t be wrong to say that over the years, the Giant Tenseigan has continued to get stronger and stronger and all the Chakra of the deceased Ōtsutsuki clansmen has continued to become part of the Giant Tenseigan.

However, we know that for any period, the total amount of Chakra(energy) seems to be fixed.

After all, energy can neither be created nor can it be destroyed, it can only be transformed from one form to another… (Law of Conservation of Energy: basic physics.)

So, when more and more Chakra became part of the Giant Tenseigan, free Chakra continued to decrease, and because of the decrease in the free Chakra, the number of newly born individuals also decreased with each year…

And if this is the case, then the main reason why the branch family of the Ōtsutsuki Clan on the moon perished is very likely the Giant Tenseigan.

The presence of the Giant Tenseigan on the moon is a suppression of the branch family of the Ōtsutsuki Clan, and as that treasure continued to become strong with each passing year, the population of the Ōtsutsuki continued to decrease with each passing year.

Although this is just a hypothetical possibility, it is very likely to be true.

And if this is indeed true, then Kuroto couldn’t help but make another bold guess.

‘If this is indeed the case, then doesn’t it mean that Ōtsutsuki Toneri––who was born even under the suppression of the Giant Tenseigan––should also have the aptitude to naturally awaken the Tenseigan…?’ It’s possible, but only if the Giant Tenseigan on the moon has reached its strongest state and can no longer become strong any further by relying on the Chakra of the Ōtsutsuki Clan on the moon.

Given Toneri’s high aptitude and unparalleled natural talent, it’s very like to be true.

Regardless, after hypothesizing the possible cause of the demise of the Ōtsutsuki Clan, Kuroto returned his thoughts to the Hyuga Clan.

Quite like the Ōtsutsuki Clan on the moon, the population of the Hyuga Clan is also decreasing with each passing year… although the rate of decline is not as serious and exaggerated as was with the branch family of the Ōtsutsuki Clan on the moon that the entire clan perished, the records of the past three hundred years on the genealogy clearly shows that it is indeed happening.

Thinking so, Kuroto reopened the records of the bizarre and mysterious deaths of hundreds of Hyuga shinobi that happened about three centuries ago.

The cause of those hundreds of deaths is not written in the documents of the Hyuga Clan, but the deaths have not been hidden… this could lead to three possibilities.

One, the Hyuga Clan itself didn’t know the cause of the death of those hundreds of clansmen, second, the cause was probably written, but was lost over the years… and lastly, the cause was known to very few people, and they chose not to describe it here for some reason.

Kuroto feels that the third reason is very likely to be the case… and using that line of thought, he started to postulate the possible reasons why it was kept secret.

‘What could be the cause of the death of hundreds of Hyuga shinobi that even its records would be hidden?’

Given the arrogant and proud nature of the branch family of the Ōtsutsuki Clan on the moon and given that they were fully aware of the fact that a large number of Byakugan can be used to create a Giant Tenseigan, their first choice shouldn’t have been to dig out the Byakugan of their own clansmen.

Their first choice would be to not harm their own clansmen but to find other ways to merge the Byakugan into the Giant Tenseigan to strengthen it.

And the Hyuga Clan that lived in the Shinobi World was obviously a very good target.

After all, the Hyuga Clan also has the Byakugan.

Moreover, considering that the goal of the branch division of the Ōtsutsuki Clan on the moon was to destroy the entire shinobi world to fulfil Hamura’s decree, they will have no hesitation in digging out the Byakugan of the Hyuga Clan.

If the timeline of the Shinobi World is considered, then the time around which the civil war of the Ōtsutsuki Clan on the moon happened and the time when hundreds of deaths in the Hyuga happened seems to match quite well…’

Those hundreds of mysterious and bizarre deaths and the time of the Coup d’état of the branch family most likely happened around the same time… that is about three centuries ago.

This means that the two incidents had some connection with each other.

But Kuroto also remembers that the Giant Tenseigan on the moon is made up of the Byakugan of the branch family, and the main family of the Ōtsutsuki Clan, not from the Byakugan of the Hyuga Clan, which means, although the branch family might have had the intentions of stealing the Byakugan of the Hyuga Clansmen, they probably failed to do so.

However, considering that the strength of the branch family of the Ōtsutsuki Clan is naturally stronger compared to the Hyuga Clansmen, the cause of their failure is a matter to ponder about.

And this takes us back to reason three.

The main reason why the cause of the mysterious and bizarre deaths of hundreds of Hyuga Clansmen is not mentioned is that it is probably, intentionally hidden from the later generation.

But, using his foreknowledge from his previous life, Kuroto was able to draw out several possibilities… and one of them seemed perfectly reasonable and matches the situation before him.

Because a very similar case happened on the moon when the elders of the branch family of the Ōtsutsuki Clan concealed the existence of the graves of the main family of the Ōtsutsuki Clan from the young Toneri.

Their reason for doing so was probably to hide the sins of the branch family.

And a similar situation is in play here… where the Hyuga Clan is also trying to cover up their sins, while not hiding the danger that the Ōtsutsuki Clan poses to the Hyuga Clan… this is why the cause of death of hundreds of Hyuga shinobi is hidden, yet their deaths have not been hidden.

The most probable cause of the death of the hundreds of Hyuga Shinobi is the Hyuga Clan itself… And the elders of the Hyuga Clan probably didn’t want the later generation to know why so many people of the Hyuga Clan died.

Of course, the reason hundreds of Hyuga Clansmen died or rather ‘killed’ was probably to protect the Hyuga Clan from the branch division of the Ōtsutsuki Clan.

It is very likely that they ‘died’ to create a weapon of the sort that gave the Hyuga Clan confidence to protect itself against the branch division of the Ōtsutsuki Clan and stopped the branch division of the Ōtsutsuki Clan from approaching the Hyuga Clan with ill intentions of stealing their Byakugan.