Once upon a time, there was a village called Konohagakure.
Inside the village, there was an organization known as ROOT.
Within ROOT lived a thoroughly unpleasant old man.
That sinister old man enjoyed telling stories to a younger one named Yamato, stories that usually went something like—
"ROOT is the greatest…"
"Danzō-sama is the greatest…"
"…and therefore everything you are belongs to ROOT."
"..."
The content of the story was unimportant.
The old man himself was unimportant.
Even Yamato, strictly speaking, was not the important part.
What truly mattered was the young man's Mokuton ninjutsu.
Mokuton: Three Bedrooms and One Living Room Technique!(Wood Style: Four Pillar House Jutsu)
Mokuton: Courtyard Compound Technique!
Mokuton: Bill Gates Luxury Villa Technique!
...
The more Amamiya Rei thought about it, the more he felt that life still had hope after all.
Short on housing?
Then build housing.
It really was that simple.
Of course, Rei still had to consider one extremely important question—how, exactly, did Yamato's infamous "three bedrooms and one living room" actually work?
If only there were a ready-made Yamato nearby.
Unfortunately, Yamato should still be in Orochimaru's laboratory at this point.
Or perhaps hidden away by Danzō inside ROOT.
Rei could not remember clearly.
In any case, he could only figure things out on his own now.
He did not need to build a villa like Yamato anyway; a single-story wooden structure would be more than sufficient.
While healing the kunoichi in front of him, Amamiya Rei quietly planted spores inside the woman's body with professional discretion.
If the meat could not be eaten, then at the very least, the chakra was not allowed to escape.
Although the kunoichi had been healed, she remained unconscious.
Putting on an expression filled with concern, Rei went to ask the same medi-nin from earlier, "What happens to shinobi after they've been healed?"
The medi-nin did not even look at Rei, his hands continuing their work as he replied bluntly, "Those who wake up can leave on their own, and those who are still unconscious can be left alone, because once they wake up, they will naturally leave as well."
The words sounded cold and heartless, but everyone on the battlefield was already used to this reality.
This was war.
In war, how could conditions ever resemble peacetime, where patients had proper wards and comfortable beds?
Forget wards—there were not even enough tents.
"…Wouldn't that make their recovery much slower?"
Rei pressed her lips together, genuine worry evident in her expression.
This time, the medi-nin finally looked up at Rei, letting out a laugh whose meaning was difficult to discern. "So it really is your first time on the battlefield."
Only fresh recruits on their first deployment would voice such thoughts, because once enough time passed, they would grow used to it and stop making such meaningless remarks.
What good did concern and compassion do anyway?
Could it make tents appear out of thin air?
Could it instantly restore these wounded shinobi to full health?
Obviously not.
It would only drain the already exhausted medi-nin further.
That was why no one here allowed themselves to think about anything beyond saving lives.
"I'll think of a way."
Rei paused for a moment, then spoke those words with quiet determination before returning to her place and continuing treatment.
As he healed, he simultaneously visualized constructing houses in his mind.
Yamato's "three bedrooms and one living room" looked deceptively simple, but in reality, it was far from easy.
Although its combat power was zero, its practicality was unmatched.
Rei did not dare to aim that high; he did not need three bedrooms and a living room, just small single-room units.
He did not even dream of refined windows or proper roofing—just a wooden box that could shelter people would be enough.
If he connected several wooden boxes that could house people together, would that not become a neatly arranged row of single-story buildings?
Thinking it through like that made the technique suddenly feel much more approachable.
"Ugh…"
The shinobi he was treating let out a painful groan.
Rei pressed down on his struggling shoulder. "Don't move, I'm setting your bones."
The shinobi immediately broke out in a cold sweat, and his wound split open again from the sudden movement.
Rei reset the bone and healed the wound once more.
Out of pure professional resentment, he planted two extra spores inside him
He had wasted far too much of his chakra, so it was only fair that he paid a little interest in return.
"So cold…"
The shinobi could not open his eyes, his body trembling faintly as his pale, cracked lips repeated the word over and over.
Rei placed a hand on his forehead and, as expected, found him burning with fever.
When the shinobi blindly reached out toward him in search of warmth, Rei's mouth twitched, and he took a decisive step backward.
"No, this won't do!"
With a look of genuine urgency, Rei hurried over to the medi-nin. "Someone has a fever! We can't let them keep lying on the ground like this!"
This time, her voice was loud enough to draw the attention of several medi-nin.
Yet aside from exhaustion, the looks they gave her were filled only with helplessness.
"We don't want this either… but there really is no other way right now…"
One of the medi-nin replied, his tone relatively gentle, and seeing how young Rei was, he added, "Shinobi physiques aren't that fragile… they'll break the fever on their own…"
Even as he said it, his tone lacked confidence.
Shinobi physiques were indeed strong, but only when they were uninjured.
Once gravely wounded, even someone as robust as an ox could have their life taken by something as simple as a fever.
"If you're dissatisfied with how we do things, then why don't you come up with a solution yourself?!"
"If you have the ability, then make tents appear!"
Another medi-nin, already at the end of his patience from exhaustion and pent-up frustration, finally snapped.
Rei pressed her lips together and looked at the sharp-tongued medi-nin sincerely. "I actually do have a solution."
The medi-nin fell silent for a moment. "…What solution could you possibly have?"
Rei turned her gaze toward the barren stretch of land across from the tents, pointing at it as she asked, "Is that area being used for anything?"
The medi-nin did not know what Rei was planning, but still shook his head honestly. "Not really. It was used earlier to burn things…"
Those "things" were, in truth, corpses.
Anyone who had experienced war knew that disease bred easily among bodies, and corpses could not be left behind, yet bringing them back was impossible, and leaving them exposed was even worse.
Thus, burning them became the most practical solution.
Rei did not care whether corpses or objects had been burned there; as long as it could be used, that was enough.
He took a deep breath as chakra surged within his body.
Bringing his hands together, he felt the ground beneath him tremble faintly.
Mokuton: Single-Story Housing Technique!
He truly did not have the face to shout that name out loud.
Fortunately, shouting was not necessary for the technique to work.
It merely left the onlookers even more dumbfounded.
The once noisy and hectic area suddenly fell into dead silence.
All the medi-nin who had been working at full speed froze as though struck by a paralysis jutsu, their movements halting simultaneously.
Their gazes converged on the empty land in the distance, eyes filled with shock and curiosity.
Thick wooden pillars burst forth from the solid earth as though alive, growing rapidly at a speed visible to the naked eye.
The wood leaned toward one another, intertwining and weaving together, extending and locking into place like pieces of a perfectly fitting puzzle, the entire process flowing as smoothly and naturally as water.
Under everyone's unblinking stares, within just a few breaths' time, dozens of low yet sturdy wooden houses appeared as if by magic, materializing without warning before their eyes.
The houses stood in neat rows, simple in appearance yet undeniably solid and dependable.
Even the injured shinobi who had been groaning in pain moments earlier forgot their suffering, mouths hanging open and eyes wide as they stared at the unbelievable sight before them.
The medi-nin who had mocked Rei earlier stood speechless.
"…Wait."
"…You really can do it?"
***
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