The Nine-Tails sealed within the rock wall did not resent Naruto, the Nine-Tails Jinchuriki. On the contrary, because of Hyuga Kagami's previous display of pressure and Minato's influence, it instinctively felt a sense of closeness toward Naruto.
Others might find it difficult to imagine that this half of the Nine-Tails, sealed by Minato with the "Reaper Death Seal," had not been at odds with Minato inside the Reaper's stomach. Instead, they had gotten along quite well.
That was also why the Fourth Hokage, whose seal had been undone by Orochimaru and who had been brought back through "Impure World Reincarnation" in the original timeline, could inexplicably activate Nine-Tails Chakra Mode.
It could be said that when it came to becoming a Jinchuriki, the Fourth Hokage seemed even more suitable than Kushina, a member of the Uzumaki Clan. If the village had chosen the Fourth Hokage to become the Nine-Tails Jinchuriki back then, perhaps the Nine-Tails Incident could have been prevented at its root.
"Sensei, thanks to you, my father's soul has finally been freed!"
Upon learning that his father's spirit had been unsealed, Naruto respectfully bowed to Hyuga Kagami.
Hyuga Kagami shook his head. "You don't need to thank me."
He had gone to such lengths to undo the Reaper Death Seal mainly for the half of the Nine-Tails inside Minato. Besides, Minato had now been brought back through Impure World Reincarnation by Orochimaru, so it could hardly be called liberation.
Of course, allowing Orochimaru to temporarily control the Impure World bodies of the First Hokage, Second Hokage, and even the Fourth Hokage had also been intentional.
When it came to dealing with Akatsuki, he and Orochimaru were on the same side. Until Akatsuki was completely eliminated, letting Orochimaru temporarily control the Impure World bodies of the First, Second, and