Isamu stood atop a rooftop, looking down at the small boy walking alone through the streets below. A faint smile rested on his face.
On the streets of Konoha, a five-year-old child with black hair walked by himself, his brows tightly furrowed as he listened to the whispers surrounding him.
"Look, look! It's that disaster child again!"
"Stay away from him. I heard his father died the moment he was born, and even his mother abandoned him because of his bad luck."
"He's a total jinx!"
Hearing those whispers, the little boy clenched his fists tightly.
At five years old, how could he tolerate people talking about him like that?
"What did you just say?!" he shouted angrily. "Do you want to get beaten up?!"
"Ahh! The disaster star is angry! Run!"
The surrounding children screamed and scattered in every direction.
Watching from the rooftop, Isamu shook his head helplessly.
"At the end of the day, he's still just a child. Hearing people talk behind his back like that, of course he'd get angry."
Thankfully, Senba hadn't actually hit anyone this time. Otherwise, the Uchiha Police Force would've dragged him away for another "talk."
"But honestly, the kids in Konoha really don't know when to shut up…"
The child below was none other than Isamu's son—Senju Senba.
Ever since Senba turned three and started running around on his own, Isamu had quietly put aside almost everything else to focus on watching over him.
Especially after Tsunade left Konoha, Isamu paid even more attention to his son.
Almost every time Senba went outside, Isamu followed him from the shadows.
Even if he couldn't reveal his identity, simply staying near his child was enough for him.
Thinking about how many times Senba had already been dragged to the Guard Division for fighting, Isamu couldn't help laughing softly.
"This attitude of punching first and talking later… he really does take after me."
Although Senba constantly got into fights, nobody could truly punish him because of his background.
As a result, he had beaten up nearly every kid in Konoha.
Combined with the nickname "disaster star," he had also gained another title:
Konoha's Little Tyrant.
"Hmph! Big mouths but no guts!"
Senba snorted coldly before lowering his fists and leaving the street.
After leaving the academy, instead of heading home, he made his way toward the training grounds in the forest behind Konoha.
This year, five-year-old Senba had officially enrolled in the Ninja Academy.
Among his classmates were Uchiha Fugaku, the Hyuga brothers Hiashi and Hizashi, and even Minato Namikaze.
Practically every future legend of Konoha was gathered in the same generation.
"Swish! Swish! Swish!"
The moment he arrived at the training ground, Senba began practicing kunai throwing.
Six kunai flew through the air simultaneously, colliding with one another before accurately striking their targets.
With the combined bloodlines of both the Senju and Uchiha clans, Senba already possessed Genin-level Chakra at only five years old.
His talent was terrifying.
Even his kunai skills had already become exceptionally refined.
Clap! Clap! Clap!
"Not bad," a voice suddenly said. "To practice kunai throwing to this level at your age, your talent really is impressive."
Isamu applauded lightly as he stepped out before Senba.
At this point, Senba had already begun growing rapidly, and Isamu finally decided it was time to personally guide his son.
He didn't trust anyone else to teach him.
Of course, he couldn't reveal his real identity yet.
So Isamu transformed himself into the appearance of an ordinary middle-aged man before stepping out.
"Who are you?!" Senba immediately pulled out two kunai and stared at him vigilantly. "Why are you spying on my training?!"
"I'm a Konoha Anbu Ninja named Sani," Isamu replied calmly.
"I've been watching your training for several days now. But no matter how skilled your kunai techniques become, they're still only secondary skills."
"The true foundation of a Ninja lies in Ninjutsu."
As he spoke, Isamu casually threw six kunai into the air.
The kunai collided against one another before shooting forward.
Immediately afterward, Isamu formed hand seals.
"Snake, Ram, Monkey, Boar, Horse, Tiger, Rat…"
"Fire Release: Great Fireball Technique!"
A massive fireball over five meters wide erupted from his mouth instantly.
The blazing flames swallowed the kunai whole before crashing into the forest ahead.
BOOM!
Four trees over two meters thick were instantly reduced to ashes, while the ground exploded into a massive crater nearly seven meters wide.
"Well?" Isamu said with a smile as he looked toward the stunned Senba. "I was right, wasn't I? No matter how good your kunai skills are, they still can't compare to even a simple C-rank Ninjutsu."
For the first time, Senba truly witnessed the destructive power of Ninjutsu.
His eyes widened slightly.
Still, seeing that the strange man showed no hostility—and was instead looking smug—Senba quickly regained his composure.
"Hmph! It's only a C-rank Ninjutsu. What's so impressive about that?" Senba said stubbornly.
"I could learn something like that after watching it just once."
In his eyes, Isamu's expression practically screamed arrogance.
A grown man showing off in front of a child?
Absolutely shameless.
But he, Senju Senba, refused to lose.
He had memorized every single hand seal already.
Today, he was definitely going to slap this guy in the face.
"Oh?" Isamu grinned slyly. "You can learn it after watching it once? Then go ahead and show me."
Not only was he not angry, he was secretly delighted.
This brat was far too arrogant.
If nobody humbled him now, he'd eventually think he ruled the entire world.
"Hmph! Watch carefully!"
Senba snorted proudly before replaying the sequence of hand seals in his mind.
Then he began forming them.
"Snake, Ram, Monkey, Boar, Horse, Tiger, Rat…"
"Fire Release: Great Fireball Technique!"
Although his hand seals were somewhat clumsy, a massive four-meter-wide fireball still burst from his mouth.
BOOM!
Three thick trees exploded apart instantly, and a crater nearly six meters wide appeared in the ground.
While weaker than Isamu's version, the difference wasn't huge at all.
"How about that?!" Senba immediately raised his chin smugly. "I told you I could learn it after watching once!"
Even Isamu was slightly surprised.
Learning the Great Fireball Technique after seeing it once—and releasing nearly its full power on the very first attempt—was undeniably monstrous talent.
Still, Isamu only showed mild approval.
With both Uchiha and Senju blood flowing through him, this level of talent wasn't impossible.
But that smug expression on Senba's face was really irritating.
He absolutely needed to crush that arrogance today.
"Mm. Not bad," Isamu said calmly.
"'Not bad'?!" Senba exploded instantly. "That was obviously amazing! My talent is unmatched!"
"Heh. Amazing?" Isamu sneered. "What's so amazing about it?"
"When I was five years old, I had already mastered the Great Fireball Technique, and my Chakra reserves had reached Chunin level."
"With your current strength, what exactly are you comparing yourself to?"
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