Naruto: I Survived Two Wars Without You, System!

Kei Yamanaka was suddenly flooded with memories of training in Medical Ninjutsu.

Techniques such as Mystical Palm, Yin Healing Wound Destruction, Fine-Scale Extraction Method, Living Regeneration Technique, and Scalpel quickly became second nature to him.

He had already mastered Medical Water Release even before obtaining the [Water Release Master] trait, but now he reviewed it thoroughly once more.

"The Scalpel feels... more refined than Medical Water Release: Water Mantis?"

Kei clapped his hands together sharply, skipping the complicated hand seals entirely.

A thin, razor-sharp layer of light blue chakra sprang to life on his palms, changing size and length at his will.

Unlike the stronger cutting power of Medical Water Release: Water Mantis, the Scalpel lacked that raw slicing power. But its much higher demand for precise chakra control pushed its effectiveness to the opposite extreme.

A skilled medical ninja who mastered this technique could create a chakra scalpel capable of bypassing the skin altogether, targeting muscles, meridians, and internal organs directly.

Of course, such a game-breaking technique wasn't without drawbacks.

The more precise the chakra control needed—and the farther the blade extended from the body—the greater the demand for chakra control became.

In the original storyline, Kabuto Yakushi used this very technique to sever Tsunade's right arm and thigh muscles to stop her Chakra Enhanced Strength.

However, limited by his chakra control, Kabuto's Scalpel could only extend a short distance during battle, failing to cut the blood vessels near Tsunade's heart in one decisive strike.

"Could it be... she just had too much padding?" Kei looked at the fine chakra scalpel extending nearly twenty centimeters from his palm.

After silently estimating Tsunade's build, he felt a brief pang of sympathy for Kabuto.

It wasn't that Kabuto wasn't good enough. But the enemy had simply been too armor-plated—no one could handle that!

After all, thanks to his chakra control boosted by the [Zero-Frames Start] trait, he ranked among the top in the entire ninja world.

And even though his [Medicated Milk] was only a Green-Tier Trait,

His mastery over the Scalpel still surpassed at least 99% of Konoha's medical ninjas.

Yet even he could only extend his Scalpel to about twenty centimeters.

In the middle of an intense fight, the length would only get shorter.

Cutting through younger versions of Sakura Haruno, Kurotsuchi, Karin, or Karui was manageable—but when facing naturally gifted warriors like Tsunade, Samui, or Mei Terumi, switching techniques was the smarter move.

"What exactly counts as a 'minor beneficial side effect' here?" Kei glanced at the detailed explanation of the skill listing earlier, then after some thought, dispersed the Scalpel in his hand.

With a sharp clap, he activated the most widely used medical ninjutsu: the Mystical Palm Technique.

"Hisss~"

As soon as the pale green chakra touched his arm, Kei let out a sharp hiss through his teeth and quickly pulled his hand away.

The sensation was like walking into an air-conditioned room on the hottest summer day—it felt utterly refreshing.

Seeing the goosebumps rise along his arm, Kei placed his hand back on the same spot.

This time, the sensation was completely different.

This time… was it… like soaking in a hot spring?

A comfort that surpassed even soaking in a hot spring—and oddly enough, it also refreshed his mind.

What was this?

Was this some kind of jutsu-derived stimulant?

"The effect seems decent? Huh? It's actually getting stronger over time? Kinda feels li—dammit…"

Kei Yamanaka shivered suddenly, quickly pulling his hand away.

He stared at the emerald-green glow of the A-ranked Medical Ninjutsu, Mystical Palm Technique, radiating from his palm.

His face turned pale, as if he'd seen a ghost.

Just now… he had…

Touched something filthy!

System! Are you telling me that "ingredient" in the skill listing was actually a real medicine?!

Kei's expression twisted for a moment before he dispersed the Mystical Palm Technique in his hand.

He made a silent vow—never again would he use medical ninjutsu on another person unless absolutely necessary.

Using this technique…

Ruin someone's reputation!

If not for the fact that once activated, keywords could only be removed using the Keyword Detach function—which Kei had already exhausted—he would have discarded this one on the spot!

Wearing an expression so grotesque it defied description,

Kei rubbed his face and headed straight into his bedroom to sleep.

————————————

The next day at eleven in the morning.

Kei Yamanaka walked out of the Raikage's office building together with Musai, whose retirement papers had already been completed.

In Kumogakure, which worshipped strength and revered power,

unless they were suffering from incurable injuries or illnesses, few ever chose to retire after becoming a ninja.

Therefore, compared to Konoha's multi-step approvals, repeated verification procedures, and dedicated counseling staff, the retirement procedures in Cloud were surprisingly simple.

At 8:30 AM, he filled out the retirement application. By 9:00 AM, A, the Third Raikage, had simply written "Approved" with two characters.

By 9:30 AM, he had returned his issued forehead protector and had his active service records officially canceled.

Together with Musai, they spent the remaining time renting a piece of land east of Kumogakure—relatively desolate, but flat and easily accessible in terms of transportation.

Since they only rented it for two years,

half of the savings Saiei had accumulated over nearly thirty years as a ninja had been spent.

The rest would be more than enough to build sheds, purchase feed, and buy calves and piglets.

Musai's slight sense of loss upon returning his forehead protector completely vanished the moment he held the land rental contract.

Just imagining life as a big boss already thrilled him beyond words.

A Genin?

That'd just be some grunt working on his ranch!

"When the ranch becomes stable, I'll definitely go to the Mission Assignment Office and post several missions—specifically assigning them to my old teammates!"

Still holding the land rental contract in one hand, Musai couldn't stop the grin spreading across his face.

As Nonou Yakushi casually passed by on the street, Kei caught her glancing sideways—she had deliberately dropped the book she was holding.

He felt slightly puzzled.

The name of that book was *Ripples*.

It was the signal mentioned on the original mission scroll for emergency contact.

Once this signal was used, it meant the situation in Kumogakure—or more specifically, Nonou Yakushi's personal safety—had reached a critical level.

"Scram, and say goodbye to your teammates first."

Kei Yamanaka glanced at the two boys standing by the roadside, frantically waving at Musai. He smacked Musai on the back of the head.

"Heh~ Dad, guess I won't be home for lunch today!"

Musai chuckled sheepishly and ran off toward his teammates.

Do whatever.

Kei faked an expression of helplessness and smiled slightly before vanishing from sight with the Body Flicker Technique.

With his right hand still in his pants pocket, he silently formed a one-handed seal amid the chakra fluctuations caused by the technique.

Given his current mastery of Yin Release, unless someone had been tracking him continuously using Sensor Ninjutsu, ordinary ninja wouldn't be able to detect the subtle chakra fluctuations hidden within the Body Flicker Technique.

Kei Yamanaka's voice echoed in Nonou Yakushi's mind.

"During last night's High Council meeting, Kumogakure has decided to wage war against Kirigakure. Our mission has been completed."

"And this morning, Kumo has begun strict internal investigations among its ninja to root out every spy hiding in the village."

"My cover won't hold up under scrutiny. I need to get out immediately. Coming with me?"

Nonou Yakushi's voice remained extremely calm.

As an experienced spy known throughout the ninja world, she knew that in moments like these, staying calm was crucial. Panic meant certain capture.

"Kumogakure must have already been locked down. You sure you can make it out?"

Kei raised an eyebrow.

"About seventy percent confidence."

"Seventy percent? What's the difference between that and no shot at all?"

...

Nonou Yakushi's eyelid twitched. Did people really talk like that?

The risks inherent in being a spy were high enough already.

Under a full village lockdown, most spies were helpless—left to fate or forced to kill themselves.

Her having a seventy percent chance was already pretty impressive, thank you very much.

Mind taking a quick nap?

Kei chose a quiet, secluded alley away from prying eyes and landed from the rooftop above.

Using the [Mind Body Transmission Technique], he directly transmitted the path he took to get there into Nonou Yakushi's mind.

"With you?"

??? 

A confused look crossed Kei's face as he opened his mouth—but Nonou's voice cut in again.

"What are your chances of getting out safely?"

One hundred percent.

... 

Next time you try to trick a girl into sleeping with you, just keep it short—it sounds more convincing that way. And maybe clean up your act a bit. Less grease, more class.

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