What, You Don't Want Your Rinnegan Anymore?

"Ensei..."

"This power is too strong... I..."

At the Uchiha Clan's training ground, Hinata Hyuga hovered in midair, surrounded by a green glow of chakra. She struggled to control the power Uchiha Ensei had given her.

Ever since seizing that body from Jigen, Uchiha Ensei had gained some understanding of Karma.

He still could not replicate it, but applying a similar principle to grant power to someone else had proved surprisingly easy.

At first, Uchiha Ensei had wanted to observe how Hinata Hyuga's body developed. After all, the Byakugan was important to the Ōtsutsuki Clan.

And Hinata Hyuga was one of the few people described in the original story as possessing the purest Byakugan in the Hyuga Clan.

But as his research into Karma progressed, Uchiha Ensei discovered that while the Byakugan was standard among the Ōtsutsuki Clan, what truly mattered to them was chakra.

Other people's chakra might be much the same, but each member of the Ōtsutsuki Clan had distinct chakra.

Of course, not all their chakra had that property. The crucial part was the chakra that contained every piece of information about its owner.

The Ōtsutsuki Clan called it "Karma"!

As long as that chakra energy called Karma remained, a member of the Ōtsutsuki Clan could revive in a suitable vessel.

Their revived body should even be identical to the one they had before death.

So chakra is the true body. That's somewhat like Hagoromo Otsutsuki in the Pure Land.

Did Hagoromo Otsutsuki realize that on his own, or did he merge with the Ninja World's native power?

While Uchiha Ensei pondered this, Hinata Hyuga beside him had reached a dangerous point.

By rights, Hinata Hyuga should still have been learning the basics at the Ninja Academy. Even as a member of the Hyuga Clan's Main Family,