Hidden Leaf Village, Year 50.
Land of Fire.
Ninja Academy, Fifth Year Class B.
"First of all, congratulations, everyone."
"From today onward, you are officially proud Genin."
"Wherever the leaves dance, the fire shall burn eternal."
"As long as leaves continue to flutter, the flames will keep illuminating the village, nurturing new sprouts to grow strong."
"..."
On the podium stood Sarutobi Hiruzen, clad in a Chuunin's green flak jacket, shouting passionately.
Below, countless civilian-born students sat with their Leaf headbands strapped to their foreheads, eyes brimming with excitement and fanaticism—their dream of becoming shinobi had finally come true.
But those from the great clans wore furrowed brows and uneasy eyes. Their faces carried none of that joy—only grave expressions.
At the very back, by the window seat, sat a pale, frail-looking boy. His eyes were filled with helplessness as he let out a quiet sigh.
The emblem embroidered on his clothes—a fan wreathed in flames—made his identity obvious.
Yes.
His name was Uchiha Kai. He was an Uchiha.
And more importantly… he was a transmigrator.
"Sigh, what a headache."
"I thought I could stall until next year to graduate. Never thought that old man Sarutobi Hiruzen would even force the fifth-years out."
"Looks like the frontlines are desperate for cannon fodder."
Uchiha Kai's thoughts swirled endlessly.
He was twelve this year, the same age as Hatake Kakashi.
As for the clan's future prodigy, Uchiha Itachi, he was only four right now—and had already been dragged onto the battlefield by that blockhead Uchiha Fugaku under the excuse of 'tempering.'
Kai had transmigrated here seven or eight years ago, yet no 'system' had ever appeared.
Family-wise, his situation wasn't great either.
His parents had been diehard followers of Uchiha Kagami. After Kagami's death, they lost the trust of the Third Hokage's faction, and were eventually purged by the Uchiha radicals. A few years ago, they died on a mission.
So now, he was stuck in a miserable place—
Distrusted by the Hokage faction.
Rejected by the Uchiha clan.
In short, neither side wanted him.
Fortunately, his parents had left behind enough of an inheritance that he didn't have to worry about daily life.
Although he never awakened any 'system,' his strength was far from weak.
Thanks to his parent's leftover scrolls, besides the Three Basic Jutsu and chakra control, he had already mastered five Fire Style jutsu.
Three C-rank: Fire Style: Great Fireball Jutsu, Fire Style: Phoenix Sage Fire Jutsu and Fire Style: Flame Bullet.
Two B-rank: Fire Style: Great Fire Annihilation Jutsu and Fire Style: Dragon Flame Jutsu.
As for exclusive Uchiha Jutsu like Izanagi or Izanami? Forget it.
Though both his parents had been Jounin, being tied to Kagami meant they never had the chance to learn the clan's forbidden Jutsu.
Still—
Their deaths had awakened his Sharingan.
Not just a simple Sharingan, but a fully developed three-tomoe Sharingan.
If he chose to show his strength, he could easily join the Uchiha elites.
Even against his newly promoted Jounin classmate, Hatake Kakashi, Kai was confident—maybe he couldn't kill him, but he could fight to a draw.
But unfortunately…
The Uchiha clan was doomed.
Sooner or later, Itachi would wipe them out.
He had zero interest in joining a sinking ship.
As for saving the clan? Ha! Forget it.
First off, the difficulty was absurd.
The Uchiha were the textbook definition of brainless—constantly talking rebellion, but never actually committing, forever stuck in endless bickering.
On top of that, their pride was suffocating.
Living off the glory of their ancestors, looking down on everyone, yet utterly oblivious to the fact that the Hokage faction had infiltrated them like a sieve.
And with someone like Uchiha Fugaku as their so-called 'leader'? A man who did nothing but patch holes left and right, without the slightest ability beyond that. Even after awakening the Mangekyou Sharingan, he never used it once. Instead, he let himself be outmaneuvered by the Hokage faction and then… got killed by his own son.
As a clan leader, he had no leadership.
As a father, he couldn't even raise his son properly.
With someone like that at the helm, how could the Uchiha not be annihilated?
Change their fate? Forget it.
And besides, Kai didn't even want to.
After all, thanks to his parents' loyalty to Kagami, the clan never treated him as one of their own.
He wasn't Shisui—he couldn't forgive blindly.
So all he wanted was to quietly build up his strength, and when the Night of the Massacre arrived… defect.
For now, he just wanted to lay low and develop.
Even though his strength was already at Jounin level, he still chose to remain in school.
But sadly…
Heaven wasn't giving him that chance.
The Third Ninja War had broken out. The Third Kazekage and Sasori had both gone missing, and Hidden Sand Village had thrown the blame on Hidden Leaf Village, declaring war without hesitation.
Hidden Stone Village and Hidden Cloud Village, long coveting the Land of Fire, seized the opportunity and also launched invasions.
Even Hidden Blood Mist Village was preparing to fish in troubled waters.
And Hidden Leaf Village… had no manpower left.
Which was why even Academy students like them were being forced to graduate early as cannon fodder.
[Ding!]
[Congratulations, Host, for comprehending the true meaning of life. The "Lie Flat & Slack Off System" is now activated.]
[This system is lazy, so no lengthy introductions. Simply put—so long as you lie flat, you will be rewarded.]
[Core principle: if you can lie down, never sit. If you can sit, never stand.]
[Everything else, Host can figure out on your own.]
[This system is off to slack off now. Bye-bye, muah!]
Uchiha Kai: "..."
Hearing the electronic voice in his mind, he was first stunned, then overjoyed.
Finally—he had hope!
Because with his current strength, at best he could only survive.
And that was only for now. Later, when Six Paths of Pain appeared, the power levels of the entire ninja world would skyrocket.
Forget Madara or Kaguya—even against Obito, Shisui, or any of the Legendary Sannin, he wouldn't stand a chance.
Thankfully, the system had finally awakened.
But then…
After hearing its introduction, Kai was left dumbfounded.
Lie flat and slack off?
Sure, he wanted to.
But in this ninja world, if he dared to actually do that, he'd immediately be branded a traitor.
And the system didn't even bother giving a proper introduction—it was too lazy! Unbelievable.
And what did it mean by "figure it out yourself"?
Damn it!
Still… fine.
Whatever came later, he'd figure it out slowly. For now, he just needed to secure some immediate benefits.
"Hey, system, don't you dare run off."
"Where's my newbie gift pack? Don't tell me there isn't one!"
"Hurry up!"
Kai called out anxiously in his heart.
[Ding! Newbie Gift Pack distributing...]
[Congratulations, Host, you've obtained: Navy Six Styles Training Method.]
Oh—now that was good stuff!
Uchiha Kai was thrilled. After all, in the One Piece world, the Navy's Six Styles were absolutely top-tier physical arts.
Closing his eyes, the training method was instantly imprinted in his mind.
After a moment's thought, he asked again:
"System, do you have missions?"
[Ding. None.]
[This system is a salted fish. It has no interest in tedious mission nonsense.]
[As long as Host is detected lying flat, skills like ninjutsu and chakra will automatically gain experience. When Host levels up, rewards will be issued automatically.]
[Status Panel distributed. Please stop bothering me.]
[I'm out.]
[…]