After Kushina painstakingly rewrote the entire Reverse Four Symbols Seal from scratch inside the Hokage's office—explaining its structure and operational principles stroke by stroke—the Third Hokage finally accepted that the forbidden jutsu had indeed been successfully developed.
The result was immediate.
Teacher and student were both highly praised, and Hagoromo—who had only just graduated from the Ninja Academy—was even directly labeled a genius by the Third Hokage himself.
…Well, to be fair, in the Naruto world, genius was a rather inexpensive title.
With the Hokage formally accepting the sealing jutsu, the S-rank forbidden-jutsu development mission was officially completed. Kushina no longer needed to devote any effort to it.
Any further refinement or testing would be handled by other departments—it was no longer their concern.
Of course, in practical terms, that also meant a very generous mission reward.
Since this jutsu had been developed as a forbidden art from the outset, once completed it would be sealed away. Only a very small number of shinobi would ever know of its existence. As for the remaining ninety-nine percent of Konoha's ninja, most of them would likely go their entire lives without ever hearing the name Reverse Four Symbols Seal.
As for how the Hokage intended to handle it afterward, Hagoromo didn't particularly care.
Because if one asked who understood this jutsu best, the answer was obvious—Kushina Uzumaki, its primary developer.
And who came second?
Naturally, Kamishiro Hagoromo, who had assisted in its development.
The Hokage might have believed that a child couldn't possibly memorize such a complex seal formula, but in reality, Hagoromo remembered it perfectly. If necessary, he could even use it himself.
…Please ignore his tragically insufficient chakra reserves for now.
Hagoromo's Mission Record
Name: Kamishiro Hagoromo
Age: 11
Rank: Genin
Shinobi Registration ID: 009887
Completed Missions:
D-rank: 9
C-rank: 2
B-rank: 0
A-rank: 0
S-rank: 1
Excluding Hatake Kakashi, Hagoromo was likely the first among his batch of graduates to complete an S-rank mission.
Granted, this S-rank mission had absolutely nothing to do with combat, infiltration, sabotage, or reconnaissance—it was completed through forbidden-jutsu development.
That said, forbidden-jutsu development was generally considered a high-risk category, and while this success was largely due to him clinging shamelessly to his teacher's leg, the fact remained:
On paper, and in official records, he had completed an S-rank mission.
As for his pitiful number of low-level missions over the past three months, the reasons were simple:
Hagoromo himself had little interest in low-level missions (≈20%).
Kushina had even less interest in dragging a kid around on low-level missions (≈120%).
Self-Evaluated Ability Scores (Unofficial)Ninjutsu: 8
Taijutsu: 7
Genjutsu: 2
Intelligence: 10
Strength: 5
Speed: 8
Stamina: 7
Hand Seals: 9
Total: 56
→ Solidly high-chūnin level
Of course, these numbers were for reference only.
Notably, a score of 10 had two meanings:
The individual truly reached the upper limit.
The stat had already hit MAX.
For example—despite learning a large number of jutsu from Kushina, Hagoromo's Ninjutsu score was still only 8. Why?
Because in real combat, the number of jutsus he could actually use frequently and effectively was still very limited. The rest were situational or impractical.
Still, when it came time to learn new jutsus, he had no intention of stopping.
Which meant—
Kushina was now officially out of things to teach.
The Teacher's Dilemma
In just three months, she had already taught Hagoromo every ninjutsu and fūinjutsu she reasonably could, including several extremely advanced sealing jutsus.
What remained were jutsus she either couldn't teach, or he shouldn't learn.
For example:
Reaper Death Seal (Shiki Fūjin)
Could Hagoromo learn it? Yes.
Would Kushina teach it? Absolutely not.
Teaching a guaranteed-suicide jutsu to a rookie ninja was asking for disaster.
Or:
Adamantine Sealing Chains (Kongō Fūsa)
Incredible offense and defense—extremely practical.
Would Kushina teach it? She would love to.
Could Hagoromo ever use it? No.
It required Uzumaki bloodline chakra, making it fundamentally impossible for him.
Thus, the inevitable problem finally surfaced.
Because of her student's terrifying learning speed—
She had nothing left to teach.
If Hagoromo had any sense, he would have left the mountain, departed Shaolin, and gone to seek another master.
Unfortunately, he lacked that sense.
He continued to thirst for knowledge with tireless enthusiasm.
After all—
To those who crave knowledge, any knowledge is like poison taken to quench thirst.
…Wait, was the protagonist about to turn into Orochimaru?
No.
Absolutely not.
Kushina's Home
Hagoromo, the disciple, was busy in the kitchen like a diligent housewife.
Meanwhile, Kushina lounged lazily nearby—legs stretched out, upper body slumped over a low table, chin resting on the surface, eyes unfocused as she stared into the courtyard outside the window.
She was not spacing out.
She was thinking.
Understand?
Expecting Kushina to cook was unrealistic. Even after marrying Minato… well, her cooking still wouldn't be great.
So really, relying on Hagoromo was the safer option.
After tasting his cooking once, Kushina had permanently retired from the kitchen.
While his food wasn't exactly delicious, compared to hers—
Well.
Objectively speaking, it was more than edible.
So what was Kushina thinking about?
Simple.
First:
She was bored. Now that the S-rank mission was complete, she had nothing to do.
Second:
What on earth should she teach Hagoromo next?
Then—
"I've got it!"
Hagoromo had just set the food on the table when Kushina slammed her palm down so hard it nearly flipped the dishes.
"Uh… Kushina-sensei?" he asked cautiously.
"What exactly have you 'got'?"
Her eyes sparkled as she stared at him.
"Honestly, Hagoromo—your attitude toward learning ninjutsu is extremely satisfying, and your progress is ridiculously fast. As your teacher, I've already taught you everything I can."
Hagoromo stiffened.
…Wait, was this the expulsion-from-the-sect speech?
Fortunately, her next words took a different—and far worse—turn.
"Hagoromo," Kushina continued cheerfully,
"I know of a place. There's a very special scroll there—one that records a large number of incredibly powerful jutsus."
She grinned.
"Well? Interested?"
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