Chapter 6: Sick Danzo
"Night, this is Lord Danzo's latest instruction."
A Root ninja handed Mugetsu a scroll.
He nodded silently and took it. Night—that was his codename in Root.
They exchanged no further words. The Root ninja vanished as quickly as he came. Mugetsu was considered a hidden piece, and too much visible contact could attract the attention of ANBU—something Danzo wouldn't risk.
Before the ninja disappeared, Mugetsu activated Identification.
Name: Hirata Iro
Potential: B
Chakra: 7000
Evaluation: A Jonin with solid strength.
Looking at the man's absurd chakra count, Mugetsu couldn't help but feel a pang of envy. He didn't even have 5,000 himself—about five or six six-year-old Shisuis behind.
Once he confirmed through his sensory ninjutsu that the Root ninja had completely left the area, Mugetsu entered his room and opened the scroll.
---
"Uchiha Shisui, student of your class, is a known genius of the Uchiha clan. Observe his behavior. Confirm his disposition. Evaluate his potential."
Mugetsu sighed.
Danzo's paranoia about the Uchiha really borders on illness.
Shisui was only six. He'd just started the Academy.
And yet, just because the clan had started whispering about his talent, Danzo already wanted detailed surveillance.
Of course, it was also possible Danzo had other plans—perhaps recruiting Shisui into Root.
But Mugetsu didn't believe that would happen.
The Third Hokage might tolerate Root's existence, but he would never allow it to grow too powerful.
A genius Uchiha with Six Paths bloodline was a variable too dangerous. If he was to be trained outside the clan, the Hokage would ensure it happened under ANBU, not Root.
After reading the order, Mugetsu used a Fire Release technique to burn the scroll to ash.
This kind of instruction was still within acceptable limits. In fact, even without receiving it, he had planned to report Shisui's talent. Trying to hide it would only make Danzo suspicious.
Concealment was riskier than transparency.
After disposing of the scroll, Mugetsu created a Shadow Clone to continue practicing ninjutsu while his main body sat cross-legged and began chakra cultivation.
Right now, chakra was his greatest limitation. It didn't matter how many jutsu he mastered—if he lacked the chakra to use them effectively, they were just fancy techniques he couldn't afford to cast.
A ninja with low chakra would always have an upper ceiling. A ninja with high chakra—even with average skill—was rarely weak.
Chakra dictated both floor and ceiling.
---
The next morning.
Mugetsu had no class scheduled, so he took the opportunity to visit the Academy archives.
He wanted to organize old Fourth Grade exam papers. While he was at it, he also pulled out some from First Grade.
Helping Obito and Guy pass their theory exams wasn't just a gimmick—it was a real goal. And one he fully intended to meet.
As he flipped through the past exams, he noticed a pattern. The structure barely changed year to year. Questions were mostly reworded variations on the same few formats. Some were even exact repeats.
Hayate nodded, confident that the two boys could pass. They wouldn't even need to grind out tons of practice—just doing the past two years' exams would be enough.
He collected the relevant materials and headed for the office.
---
"Yesterday she listened to me talk the whole time. She was clearly interested!" Ikeya was saying.
"Or," Aya replied dryly, "she just didn't want to talk to you."
"And when the bill came, she offered to split it! She's already treating me like a potential partner!"
"Or maybe she was just afraid you'd use the 'I'll treat you next time' line to force another date."
Mugetsu walked in just in time to witness Aya shooting down every one of Ikeya's hopeful assumptions.
He glanced at Sugito, who was enjoying the show from the side.
"Ikeya went on a blind date yesterday," Sugito explained. "Now he's analyzing every moment and asking us how to pursue her. But Aya thinks the girl's not interested and told him to give up."
"Mugetsu-sensei, you came at the right time. Do you have any special techniques for pursuing girls?" Ikeya asked the moment he saw him enter, immediately abandoning his argument with Aya.
He had always felt that Mugetsu looked like someone who had dated plenty of girls.
"Special techniques…" Hayate paused, then answered casually, "I think if you can make the other person feel your sincerity, that's enough."
Whether such techniques existed or not was irrelevant. Even if Mugetsu had them, there was no way he'd share them with Ikeya. It didn't fit the quiet, modest persona he wanted to project.
"Sincerity, huh…" Ikeya scratched his head, visibly troubled. "How am I supposed to show sincerity?"
"Give it up, Ikeya," Aya said calmly. "Have you looked at Mugetsu-sensei lately? Even if he used tricks, they'd still work. You? Not so much."
"How can that be?" Ikeya protested. "I admit Mugetsu-sensei is a little more handsome than me, but it's not that big a gap, right?"
"You really won't learn until you hit a wall," Aya sighed, shaking her head at his stubbornness.
She was a woman—she understood women. From what she'd heard about his date, it was clear the girl wasn't interested. But Ikeya just didn't want to accept that.
"Keep trying," Mugetsu said with a gentle smile. What else could he say? Even Aya couldn't talk him out of it.
Besides, Mugetsu genuinely hoped Ikeya stayed busy—so he could keep substitute teaching Class 2, Grade 4.
"See? Mugetsu-sensei knows what's up! Just wait, Aya. I'll show you!" Ikeya puffed up his chest, confidence fully restored.
---
That afternoon, Mugetsu made a deliberate move: he lowered the quality of his lecture.
He had deduced from earlier system prompts that class evaluations were based on two factors—lecture quality and student satisfaction.
He wanted to test something. His first A-rank lecture had given a bonus reward. If that applied to a B-rank too, it was worth aiming for.
---
[Lecture completed. Settling…]
[Evaluation: B]
[Reward obtained: Chakra +20]
[First B-rank evaluation: Extra reward — Proficient in Chakra Form Transformation.]
---
A rush of training memories surged into Mugetsu mind—this time focused entirely on Form Transformation.
He was pleasantly surprised.
In chakra control, Form Transformation stood shoulder to shoulder with Nature Transformation. Mastering both could significantly improve a shinobi's technique output.
Unlike Nature Transformation, Form Transformation wasn't bound to chakra elements.
And when it came to Form Transformation… Rasengan was its pinnacle.
The technique, developed by the Fourth Hokage and made famous by Naruto, was pure Form Transformation—powerful, compact, and needed no hand seals.
"I can start developing Rasengan now," Mugetsu mused, eyes gleaming.
With the memories from the original work, plus his current understanding, the process shouldn't be too difficult.
The +20 chakra gain wasn't much on its own—but if B-rank evaluations gave chakra each time, they could stack up nicely.
Maybe I don't need to aim for an A every class.
He added Rasengan development to his already packed schedule:
Day: Teaching
Evening: Guiding Shisui
Night: Cultivating and developing new jutsu
Weekends: Special training with Obito and Guy
His days were completely full—and oddly fulfilling.
Mugetsu genuinely hoped to maintain this rhythm. If he could live peacefully like this for a few years, quietly growing stronger behind the scenes...
But unfortunately, he hadn't transmigrated into a peaceful era.
This was the ninja world.
And on the fourth day after his arrival here—bad news returned to Konoha from the front lines.
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