Chapter 6 – Extracting Chakra
Several days had passed. While the soreness in his body had completely faded, Natsuri could still feel lingering aftereffects. It wasn't anything major—just that subtle sense of tiredness that took time to wear off.
Well, that was the standard in the Naruto world. Even ordinary folks here, though lacking special bloodlines, had bodies way stronger than the people in his past life. Honestly, if he had trained that hard back then, he probably would've ended up paralyzed.
Actually, even back then, he wouldn't have made it this far without some decent mental fortitude. Natsuri wasn't blind to his own weaknesses—when it came to willpower and grit, he wasn't exactly the strongest type.
The past few days at school were uneventful. Iruka had been walking the class through basic training and going over chakra theory.
For Natsuri, it all felt like a bit of a waste. He'd already learned everything from the textbook himself, and the school's training didn't even come close to the routine he put himself through.
Still, maybe it was just because it was the start of the semester. The teachers were probably trying to build everyone's foundation first. Maybe later they'd be allowed to train more freely.
Now that he'd finished all the theory, Natsuri figured it was time to actually try extracting chakra. Since this was his first attempt, he waited until his mom, Sinai, was home—just in case anything went wrong.
Technically, chakra extraction wasn't dangerous, but still… you never knew. Better safe than sorry.
"Mom, I'm gonna start," Natsuri said, sitting cross-legged on the bed. There wasn't a specific posture required, but since someone was watching, he tried to look proper.
"Mhm, go ahead. Mama remembers—chakra extraction isn't dangerous," Sinai said with a warm smile.
"I know," Natsuri replied with a nod. Still, having someone there made him feel safer. What if he passed out or something?
Following the steps he'd memorized from the book, Natsuri began focusing on sensing his body's energy. He'd done this before, and honestly, it wasn't hard for him. This time, he planned to go all the way and actually extract chakra.
And with his mom right there, he didn't hesitate. He concentrated, merged his mental and physical energies, and—
Success.
Just like that, he extracted chakra for the first time. He shaped it in his palm, watching as a soft blue glow flickered to life. Natsuri stared at it, stunned for a second.
"Wow! You did it on your first try? That's amazing, Natsuri!" Sinai looked just as shocked. Sure, chakra extraction wasn't dangerous, but pulling it off on the first try? That wasn't exactly common. Did this mean her son was super talented? That thought made her feel all warm and proud inside.
Right then and there, Sinai made a little plan—tomorrow, after work, she'd ask Natsuri's teacher to trade in for the Shadow Clone Jutsu scroll as a surprise gift.
"Hmm... yeah, I guess that went well," Natsuri muttered. Honestly, even he hadn't expected things to go so smoothly. Maybe it was because his mental energy was naturally strong? Either way, this proved he had potential. The next step was figuring out how skilled he'd be with ninjutsu.
The only thing bugging him now was: how much chakra did he actually have? He could feel that it was a decent amount, but without a reference point, there was no way to tell for sure.
As he thought about it, he suddenly felt someone tugging at his cheek.
"Come on, you just extracted chakra for the first time! At least look happy," Sinai said, pinching her son's cheek playfully.
Caught off guard, Natsuri gave a half-hearted smile under the 'cheek torture.' That was enough for Sinai.
"There it is! You're still a kid, you know. No need to always be so serious."
Natsuri sighed in defeat. It wasn't that he didn't want to smile—he just had a lot on his mind.
After managing to escape his mom's clutches, he headed back to his room and resumed practicing. Even if the chakra couldn't be used for anything yet, he wanted to get comfortable with the process.
Eventually, he needed to reach the point where extracting chakra was second nature—something he could do without focusing. It had to be fast and seamless in battle. The question was… what could he actually use the chakra for right now?
He didn't know a single jutsu yet. Letting it vanish into the air felt like a waste. Maybe he could use it to practice chakra control—like walking on walls or trees?
But then he remembered his mom was resting in the next room. If he fell off a wall and made a loud thud, he'd probably get yelled at. So that plan was out.
What about shape transformation or chakra nature transformation?
The problem was, he didn't even know what his chakra nature was yet. So for now, shape transformation it was.
Well, calling it "chakra shape transformation" sounded fancy. Really, he just wanted to practice forming shapes with his chakra—starting with something simple, like a sphere.
He tried channeling chakra to his hand, but as soon as it left his body, it scattered and disappeared. Like trying to hold smoke.
Natsuri frowned but didn't give up. No one got it on the first try, right?
So he kept going: extract, try, extract again, try again. Over and over until his chakra finally ran out.
He realized something interesting—if he went all in, he could extract all his chakra in one go. It meant his mental energy was high, but his chakra reserves hadn't caught up yet.
Still, he made some progress. He was starting to feel a faint connection with the chakra even after it left his body. It wasn't easy to control, but that tiny thread of connection was enough to make him happy.
It meant he was on the right track.
With his chakra depleted, that marked the end of his training for the day. Time to rest.
Tomorrow, he had a mission—find Iruka. First, he wanted to ask him to help him gauge how much chakra he actually had. Second, he wanted to request permission to start learning the Three Basic Jutsu early. He was pretty sure he had enough chakra to handle them.
If Iruka said no, then plan B was to ask his mom for the jutsu scrolls and get Iruka to teach him how to use them.
Feeling confident with his plan, Natsuri slowly drifted off to sleep.
The next day, once classes ended, Natsuri walked up to Iruka.
"Natsuri-kun? What's up?" he asked, a bit surprised to see him approaching directly.
"Iruka-sensei, I've already learned how to extract chakra using the textbook. I wanted to ask—can you help me figure out how much chakra I have right now?"
Iruka blinked. "Wait—you learned it all by yourself?"
He was genuinely surprised. As a responsible teacher, he knew most of his students' backgrounds. In Natsuri's case, his mom had once been a Genin, but it didn't seem like she could actually teach. She knew how things worked, sure—but not why they worked.
Which meant Natsuri had taught himself the entire chakra theory in just a few days… and successfully extracted it on his own.
Iruka didn't know why he wanted to measure his chakra level, but seeing a student take that much initiative made him smile. He liked hardworking kids.
"Of course," he said, nodding. "Let's check it out."
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