Kushina leaned over and pointed at the seal on Naruto's stomach. "Isn't this the Eight Trigrams Seal you developed from the Four Symbols Seal, Minato?"
If it were the Four Symbols Seal, that would have been easy enough to explain. When the Uzumaki Clan was wiped out, many of its sealing techniques had spread to the other nations of the ninja world.
But the Eight Trigrams Seal was exclusive to Kushina and Minato.
The mystery only grew deeper!
Who was this boy with the Nine-Tails inside him? Why did he have Minato's Eight Trigrams Seal on his body?
Why did he have both Minato's and Kushina's chakra inside him?
"It's actually quite simple. I'll know once I connect with the chakra inside him that shares my origin!"
Minato placed his hand on the Eight Trigrams Seal on Naruto's stomach and connected with his future self's chakra within it.
Chakra possessed a wondrous power. Even when life and death separated people, it could unleash miracles.
Within the Eight Trigrams Seal, the future Minato's chakra transmitted everything he had witnessed inside Naruto's stomach to Minato in the form of chakra.
The future Minato was also delighted that Naruto had returned to the past. He hoped this timeline could turn out differently, that Naruto could have a family of his own instead of being all alone.
Through his future self's chakra, Minato gradually learned everything.
It was a timeline untouched by Liao Wu's influence.
The Third Shinobi War ended, Minato was chosen as Hokage, Kushina became pregnant, the Masked Man attacked Kushina, and the Nine-Tails broke free of the seal and attacked the Leaf Village...
Minato used the Reaper Death Seal and sealed the Yang Nine-Tails inside Naruto. Then he and Kushina died, leaving their chakra within Naruto's seal before their deaths...
Naruto's