Konoha.
Ninja School.
Bustling with activity.
It was time for new students to enrol again.
And this time, Satoru came as a father, with Ayame accompanying him.
They each held a child's hand.
Tenyu and Maki looked at the children of various sizes around them, all their age, with excited faces.
They were finally going to school.
There would be many friends to play with here.
And it meant they were about to embark on the path of a Ninja.
"Grandpa, I don't want to go to school, I want to stay home."
Just as they were anticipating, a voice came from the school's main entrance.
They turned to look, and a little kid wearing a scarf in the hot weather was yelling at a familiar person.
"Konohamaru, how can you not go to school? You're already grown up. If you don't go, Grandpa won't talk to you anymore."
Hiruzen Sarutobi held Konohamaru's hand, a helpless expression on his face.
Then he saw Satoru, who was also holding a child's hand, and walked over with the reluctant Konohamaru.
Today, Hiruzen Sarutobi was not wearing his Hokage robes, but rather casual, leisurely clothes.
Satoru turned to look at Hiruzen Sarutobi: "Hokage-sama, hey, Konohamaru has grown up."
Konohamaru was still quite cute, just like in the anime.
"Who are you? I'm the Hokage's grandson, you should call me Young Master!" Konohamaru shouted loudly.
He was very displeased with how he was addressed.
"Nyah nyah nyah, my Young Master doesn't want to go to school, how shameful!" Maki suddenly mocked him.
Tenyu educated Maki: "Sister, we're outside, we need to give Hokage-sama some face. Although this guy named Konohamaru acts a bit like a three-year-old, we shouldn't say that."
Then he turned to Hiruzen Sarutobi: "Hokage-sama, I'm sorry, my sister was impudent, and her words were a bit harsh."
...After a moment of silence, Konohamaru instantly exploded, pointing at them and furiously saying: "You brats, this Young Master is going to beat you to a pulp!"
With that, he was about to rush forward to fight.
Don't think he could hear the sarcastic tone.
"Hey, Konohamaru, they are your companions, you can't fight!" Hiruzen Sarutobi sighed, grabbing Konohamaru's scarf.
He kept flailing his arms and legs.
His eyes were full of anger.
Slap!
Satoru patted both their heads: "How are you talking? Apologise to Hokage-sama and Konohamaru-nii."
They were getting out of hand, their guts were growing, daring to even talk back to the Hokage.
"Yes, we apologise, Hokage-sama, we apologise, Konohamaru-nii."
The two were very obedient and immediately apologised.
These were years of experience with strict discipline.
"Hmph, even if you call me Konohamaru-nii, I still won't forgive you!" Konohamaru said, a smug look on his face.
He thought they were afraid of his status, just like everyone else.
"Haha, Satoru, these two little rascals are very energetic too!"
Hiruzen Sarutobi said, looking at Tenyu and Maki with a smile.
Satoru used to say how obedient his children were, but now it seems they were nothing special.
Quite similar to Konohamaru!
He had been thinking for years that he had too many responsibilities as Hokage, and couldn't even teach children as well as others.
"Yes, they're finally going to school. I hope they can become someone like you, Hokage-sama."
Satoru said politely.
He sighed in his heart at the passage of time.
Before he knew it, his children were of school age, which also meant that Naruto would graduate in another year.
It also meant that the Fourth Great Shinobi War was not far off.
"The Hokage can only be me!" Konohamaru was immediately displeased when he heard these two guys were trying to compete with him for the Hokage position.
"Hmm, do you think carving your head up there would look good?"
Tenyu pointed at the Hokage Rock behind the Ninja School.
At this moment, the Fourth Hokage's statue looked particularly majestic, gazing down at the eager students below.
Hearing this, Konohamaru also looked at the Hokage Rock, imagining his own head carved next to the Fourth's statue.
"Isn't this great?" Konohamaru felt it was very good, how could it not look good?
Ayame, beside them, also greeted Hiruzen Sarutobi: "Hokage-sama."
"Enrollment time, the opening ceremony is starting," Hiruzen Sarutobi nodded and said.
The Ninja School gates opened.
Then, under the teachers' arrangement, the children were led inside.
Their parents watched from outside.
Konohamaru, Tenyu, and Maki, still disliking each other, turned their heads away and walked in.
"Hahaha, children are still so energetic!" Hiruzen Sarutobi chuckled.
Satoru: "Yes, Third Hokage is old, and I'm getting old too!"
He was twenty-five, and with both lives combined, he was over fifty.
...Hiruzen Sarutobi choked...
Analysis Team.
"Contact Evolution."
Satoru's Ninjutsu, which he had been researching for over five years, had its first complete stage officially named Contact Evolution.
He placed his hands on the corpse of a Hidden Cloud Village Ninja.
The corpse was now covered in tree-branch-like Texture.
And an even greater amount of information than the Mind Reading Technique rapidly flooded his mind.
This wasn't memories, but various kinds of information.
And within his mental space, using the Second Heart Steel as a transfer point, this massive amount of information was quickly processed, with useless information filtered out and useful information absorbed.
In just an instant, the four major tissues, eight major systems of the human body, the Eukaryotic domain, Prokaryotic domain, DNA and chromosomes, and so on.
A vast amount of information was processed in this way.
And the excellent information was absorbed by the nerves, etched into them.
Satoru's body slightly heated up as the information was etched in.
Then it disappeared again.
The process was extensive, but Satoru had already conducted many experiments and was very familiar with the human body, knowing what aspects were useful to him, so from an outside perspective, it was just an instant.
"The first complete stage of the trump card is perfect.
Next is the second stage."
Satoru was very satisfied with this Ninjutsu of his.
This would be his strongest cheat method, besides his brain.
Evolution.
To solve the problem of insufficient Chakra in his body, and also to solve the future Ōtsutsuki problem.
It took him many years to achieve the first step of his envisioned outcome.
Not being a Jinchuriki, not having a Sage Body, and not having Asura's bloodline, the only way to achieve Chakra freedom was naturally through modification and evolution.
Modification was Orochimaru's method, but Satoru didn't want to modify himself.
So he thought of a method, which was evolution.
Proper evolution, naturally, was to develop a Bloodline Limit, and then slowly engrave it into one's own genes, causing the physique to change.
But this takes a very long time.
Why was Ōnoki's Kekkei Tota from the Hidden Stone Village learned and not innate?
It was because since the development of Dust Release, they hadn't fully engraved the nature transformation into their genes, and could only rely on talent and the experience left by the Second Tsuchikage.
This was not something one generation's development could achieve.
Just like Mei Terumī, the Mizukage, even if she got married, her bloodline couldn't inherit the ability.
She could only inherit the legacy of her Bloodline Limit development, and then develop it based on her talent.
Only after several generations of inheritance, when it's engraved into the genes, can it fully become a Bloodline Limit.
Only then can the physique be changed, and a greater amount of Chakra be possessed.