That was indeed the case.
At school, Satori Hyūga—the apathetically lazy dead last—had entered a period of unexpectedly busy days.
In the Ninja Academy, he not only had to train his own [Feeding-Back Jutsu 2.0] but also struggled to comprehend and master the ninjutsu he was studying.
As a master of ninja science, Orochimaru possessed hundreds—if not thousands—of ninjutsu techniques, all of which Satori now needed to learn and understand.
After school, he would head straight to the Laboratory for study and research, operating various advanced instruments and equipment.
Understanding human cells required knowledge of Medical Ninjutsu.
Each discovery led to another, creating an overwhelming flood of information.
Unable to balance studying and training at the same time, Satori's progress in strength slowed significantly.
Under such high-pressure learning, he even briefly wondered if he had taken the wrong path.
Back in the Hyūga Main House, he could have simply lain back and lived a life of ease. Why did he have to endure this suffering?
At first, it was torture, but eventually, he adapted.
The enriching study hours, the unknown knowledge, and the ongoing experiments flowed into his mind like an endless stream.
Inside the classroom,
Kushina looked at Satori scribbling away and quipped sarcastically, "You sure have become quite the busy bee lately! Daytime for studying, nighttime for studying—it's like you don't even have time to train with us anymore."
"Kushina, don't be so harsh on Satori," Minato Namikaze gently interjected. "He's apprenticed under Orochimaru, renowned for his immense knowledge. Of course, he has to work hard."
Kushina replied, "Thank goodness I followed Lady Tsunade instead. Otherwise, I'd have gone bonkers from all the studying."
"I don't think learning all this is useful. We'd be better off asking Lord Orochimaru to teach us a few powerful techniques instead."
Satori set aside his notes and sighed, looking helplessly at the two.
"You can't really say it that way. Knowledge is very important, after all."
"Just wait until I finish learning everything—I might even decipher and unlock the mystery of chakra itself, surpass even the Hokage!"
"You're just talking big now. We're talking about the Hokage—the absolute pinnacle of all ninja power."
"It takes countless trials and battles to reach the position of a Kage," Kushina said doubtfully.
In her eyes, being a researcher meant hiding away in a lab all day tinkering with things. It sounded mysterious enough, but probably didn't boost real combat strength much.
Shaking his head, Satori returned to his studies, refining his idea further.
The more he learned, the more he realized how shallow his current knowledge was.
The deeper he explored, the more impressed he was by his own [Feeding-Back Jutsu], born purely from trial and error.
However, with each increase in knowledge, his understanding of ninja chakra grew deeper as well.
Chakra—the fusion of physical energy and spiritual energy within the body.
Reversely, it could also transform the human body.
Except for Yang Release, other chakra natures weren't particularly effective.
Take the First Hokage Hashirama Senju as an example—his Sage Physiology and unsealed healing techniques.
This was the path Satori chose to pursue his studies and growth.
However, as a member of the Hyūga Team, he stood out in a different way.
He lacked the powerful vitality and Yang Release chakra characteristic of the Senju and Uzumaki clans.
However, through his own research, Satori developed techniques based on the Hyūga Clan's mastery of pressure points and meridians.
Now, after further study, his new technique was nearly perfected.
He turned to face his two teammates and whispered, "I'm not just someone who studies from books. I've created another auxiliary ninjutsu that can help regulate the body, heal injuries sustained during training, and even increase chakra reserves."
"Wanna come try it out after school?"
His words immediately sparked curiosity in Kushina and Minato Namikaze.
"Seriously? You've only been learning for less than half a month, yet you say you've invented a brand-new jutsu?" Kushina said skeptically.
Minato looked at Satori thoughtfully and said, "Given Satori's talent, it actually sounds plausible."
Kushina felt a surge of excitement fueled by curiosity. "What are we waiting for until after school? Let's go now!"
Thanks to Satori Hyūga's influence, skipping class had become routine for her.
Minato shot Kushina a look of resigned helplessness but made no move to stop her.
Truth be told, he himself was quite curious about how effective Satori's newly-created jutsu might be.
A technique capable of regulating bodily functions, healing accumulated injuries from training, and increasing chakra reserves must surely be something special.
The three immediately used the Clone Jutsu, leaving behind clones seated in the classroom while their real bodies snuck outside.
This sort of thing had happened so many times, it was practically routine by now.
Yamada Takeshi, the teacher on stage, finished lecturing and turned around to see the three students sitting there, eyes shining like diligent pupils. A smirk involuntarily formed on his face.
Damn it, they snuck out again.
He'd caught them multiple times, yet having students slip away right under his nose wounded his pride.
That was why he never openly addressed it.
Once, twice...and again.
Yamada decided he would endure just one more time.
The trio hurried down a narrow path toward the lab.
Orochimaru, being one of the Legendary Sannin, often went away on missions and wasn't always present inside the lab.
Satori had a key to the laboratory, effortlessly guiding the other two inside.
Of course, there were many areas he wasn't authorized to bring others into.
"Woah! This is the laboratory? It looks so mysterious!" Kushina gazed around, her voice filled with wonder.
Minato was similarly impressed.
Most people who arrived here displayed similar expressions.
"Check out my Ultimate Massage Chair! This is the technique I created!"
Satori pushed forward a peculiar-looking chair from the side and proudly introduced it to the two.
The massage chair was quite large, indented in the center to fit a person, surrounded by soft, cotton-like material dotted with finger-like jointed tentacles.
"Wait, your technique…is a chair?" Kushina raised an eyebrow questioningly.
Minato studied the device for a moment before realization dawned. "Ah, I get it now—it's the Hyūga's meridian-targeting strikes technique."
Satori nodded, giving Minato an approving look.
No wonder he would later become the ninja genius destined to create the Rasengan.
He hadn't even said a word, yet the other person had already figured it out.
Kushina looked at Minato Namikaze, puzzled, and asked, "Minato, how did you know?"
All she saw was a strangely shaped massage chair—where was the meridian-targeting strike in that?
"Look at the fingers on this massage chair—they correspond to various pressure points on the human body."
"Besides, Satori Hyūga is a member of the Hyūga Clan, experts in meridians and pressure points. That's what tipped me off."
"Oh, so that's how it is."
"You're actually pretty clever," Kushina said with a smirk.
Then she muttered under her breath,
"Well, I noticed it too… I just didn't think much of it."
...
...
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