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A Certain Scientific Ninja from Konoha

Re_Raven
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Synopsis
After winning three lottery prizes and a chance to transmigrate in a certain deity’s domain, the protagonist, thanks to his "terrible luck," draws a C-rank skin, an A-rank ability, and an S-rank talent. Based on the law of "Power = Risk × Constancy," he is thrown into the world of Naruto. Let’s assume a single cell can extract 1 joule of energy per hour. A ninja has 130 trillion cells, an average mental strength of 100, and it takes about one chakra point to convert that energy. One chakra point equals 3.6 × 10⁶ × 100 joules, consuming 10 mental strength. With this conversion rate, a ninja could recover 10% of their chakra every hour. So now, answer this: Why do geniuses have sluggish brains? Why are mad scientists obsessed with their research? Why is Rock Lee such a workaholic? Why do the Akimichi clan eat so much? Why can the Hyuga clan activate Byakugan continuously? These questions, and more, will be explored in this scientific reinterpretation of the Naruto universe, uncovering its long-standing mysteries. 。。。。。。。。。。。。。。。。。 Patreon: patreon.com/Re_Raven This is a translation.
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Chapter 1 - Chapter 1: The Transmigrator and the Idiot Duo at Konoha Ninja Academy

Chapter 1: The Transmigrator and the Idiot Duo at Konoha Ninja Academy

"Good morning, Hagoromo!"

"Morning!"

Though he greeted his fellow students with a calm and friendly tone, Hagoromo was feeling extremely frustrated inside. The way people treated him these days was starting to resemble how they treated that stone-faced Sasuke. Thanks to the "Your Highness" face he was now stuck with, he'd somehow become oddly popular among the girls at school.

Seriously, did the Appearance Fan Club start paying your salaries or something?

Hagoromo cursed his insane luck when it came to draws. It was just too good—too good to be lucky. After a random accident in his previous life, he got a second chance at life thanks to some super edgy and suspicious "God of Transmigration." Not only that, but he was offered three free draws before starting his new life.

The first draw landed him an E-rank item—just a "skin" of some 2D character. Honestly, not bad. With that and the support of the Appearance Fan Club, he could've thrived in any slice-of-life anime. Worst case, he could've become another Makoto from School Days—a tragic, romantic youth under the cherry blossoms... or something like that.

But then his dumbass self went ahead and pulled an A-rank skill and an S-rank talent. The worst part? No returns allowed. Divine policy. Based on his "Power = Risk × Consistency" build, the god decided the best place for him was none other than the Naruto universe.

What the hell, man? He barely knew anything about Naruto! His cringe middle-school days were spent in the One Piece camp, constantly fighting with Naruto fans online. As for the Naruto plot? He was completely out of his depth.

Well... not entirely. While the story itself was a mystery, he at least knew the characters. Back in his overly analytical fanboy days, he'd written "research papers" comparing One Piece and Naruto power scaling—titles like "Rumble-Rumble Fruit vs. Lightning Release: Practicality, Destruction Metrics, and Energy Efficiency Analysis." The shame from those dark days almost made him want to bury himself alive. But hey, they were helping now.

"Graduation, huh... finally."

As he stood in front of the Konoha Ninja Academy, Hagoromo Kamishiraishi couldn't help but sigh. Ten years in this world already. Entered the Academy at seven. Now it was time to graduate—and head to the battlefield.

"Kamishiraishi Hagoromo"—that was the name passed down from his parents in this world.

And like many transmigrators before him, he followed the cosmic rule of "owning a house and car, but both parents dead." Yep, he was an orphan.

His backstory was simple: father, a mid-level Chunin, died early in the war. His mother, a medic-nin, was called to the frontlines shortly after giving birth to him—and never returned.

In reality, during every major war, the nations came to a brutal consensus: battlefield hospitals were top-priority targets. Once both sides realized the true value of medical ninjas, they became both highly protected—and heavily hunted.

Currently, it was the height of the Third Great Ninja War. People were dying every day. War wasn't just a looming threat—it was raging on full blast.

Ironically, the strongest ninja village—Konoha—was also the one constantly getting dogpiled by the other nations.

Earth. Lightning. Water. Wind.

Iwagakure, Kumogakure, Kirigakure, Sunagakure.

With Konoha stretched across multiple fronts, the Fire Nation was bleeding manpower. Ninja Academy years were compressed to just three. And the minimum age for admission? No longer a thing.

Famous prodigy Kakashi Hatake enrolled the same year as Hagoromo. He was five. Spent half a year in the Academy, then graduated straight to the battlefield...

So why did Hagoromo choose to become a ninja?

Because he was bored out of his damn mind.

Think about it—an alien, a time traveler, a superpowered transmigrator with nothing better to do. Honestly, he belonged more in The Melancholy of Haruhi Suzumiya than Naruto.

"Yo, Hagoromo! Zoning out again? You ready for the graduation exam?"

Someone clapped a hand on his shoulder, snapping him out of his thoughts.

No need to turn around—he already knew who it was through sheer sensory intuition.

Might Guy—perennial bottom-ranker, future taijutsu beast, current taijutsu dork.

Obito Uchiha—fellow bottom-feeder, self-proclaimed elite ninja, who somehow ranked worse than Guy. One heartbreak later and he'd become one of the biggest bosses in the world.

These two clowns? Yeah, Hagoromo knew all about them.

In their class of eight, each with thirty students, these two were always dead last. Hagoromo's own grades were far better—they had no business worrying about him.

"I've got way more confidence than you two," Hagoromo replied.

He gave them a lazy side-eye, dead-fish stare and all, especially Obito. He still couldn't figure out how this guy ever managed to fall in love, much less go insane over it. Did he even have the brain capacity for romantic obsession?

"Shouldn't you guys worry more about yourselves than me?" Hagoromo added without mercy.

In his class, Hagoromo recognized quite a few names—Ebisu, Genma Shiranui, Anko Mitarashi, Kurenai Yuhi, Asuma Sarutobi, Rin Nohara, Might Guy, Obito Uchiha, and of course, the early-graduated Kakashi.

Of course, not all of them were in the same section. Hagoromo was only familiar with Guy, Obito, and Rin. Mostly because Guy and Obito were both loud and clingy, and Obito kept dragging them along to hover around Rin. Otherwise, with Hagoromo's reputation among the boys, he'd be treated like a background character or a class advisor.

"We'll be fine," Guy said with unwarranted enthusiasm. "As long as the graduation exam doesn't include ninjutsu or genjutsu!"

Wait, what? So just taijutsu then? Guy's confidence was truly otherworldly.

"Hagoromo's the worst," Obito muttered. "Especially that hair. Reminds me of some smug bastard I can't stand."

Excuse me? Who's the smug one here?

You think I chose this ghost-white hair? It was divine will! God said, "Let there be light!"—and there was light. God said, "You shall go prematurely gray!"—and here I am.

What, you think I never complained to that god? I did! But his face is like a lotus leaf—nothing sticks.

As they entered the Academy grounds, they didn't go to their classrooms. Instead, they gathered in the small open square out front—today's graduation exam was going to be held outdoors.

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Note 1: The protagonist's name is a fusion of Kamishiraishi Mone (Japanese actress/singer) and Otsutsuki Hagoromo (Sage of Six Paths).

Note 2: The E-rank skin he received was Prince Arslan—some of you may know this character

as a surprisingly regal and manly young prince.