Naruto: The Ninja World's Life Buyer

Chapter 203 Bone Marrow Replacement, Kaguya and Uzumaki's Perfect Cycle

With the rapid expansion of the Takaya Trading Company, the security level of Kikyō-kan could no longer keep up with Sōsuke's requirements.

Sosuke decided to rebuild.

He bought three blocks of land surrounding the Kikyō-kan (Kikyo-kan).

The dilapidated houses and abandoned warehouses were quickly emptied.

A real estate was built very quickly.

【Gaowu Manor】.

"Isn't this... a bit too much?"

Kaori stood at the entrance of the manor, looking at the towering walls and heavy iron gate, somewhat speechless.

This is no home, it's practically a fortress.

The wall is five meters high and its surface is covered with defensive spells. This is a barrier personally designed by Kushina, and even a Jonin wouldn't be able to easily break through it.

The manor is divided into several areas.

The core residential area is a typical Japanese garden, quiet and elegant, for families to live in.

The outer area is the functional area.

The huge warehouse was enough to store enough food to supply the entire village for half a year.

The hospital has its own independent medical building, equipped with facilities even more advanced than those in Konoha Hospital. It has recruited many ordinary doctors, but lacks dedicated medical ninjas.

There are also private armed camps.

"Not an exaggeration."

Sosuke stood at the gate, looking at his masterpiece.

"This is the only way to ensure safety."

The day we moved was very lively.

The Uchiha clan dispatched an entire squad of security personnel to maintain order—in reality, they were helping their benefactor move.

The completion of the new manor caused a sensation in Konoha.

All the major families sent congratulatory gifts.

Hiruzen Sarutobi stood by the window of the Hokage's office, gazing at the magnificent complex of buildings in the distance, and remained silent for a long time.

"The defensive capabilities of that manor—"

The report came from the shadows nearby.

"According to the barrier team's analysis, the defense level there is no less than that of the Hokage Building."

"Moreover, there are more than two hundred private soldiers stationed inside."

"Two hundred people —"

Hiruzen took a drag of his cigarette.

This is already equivalent to a small ninja village.

"Lord Hokage, should we restrain him?" the Anbu asked.

"limit?"

Hiruzen gave a bitter laugh.

"Let him be."

The underground laboratory of Gaowu Manor, the core area.

On the lab table, several white mice were frantically spinning in their cages.

They were a size larger than ordinary mice, their eyes were filled with excitement, and their fur had an extremely bright red sheen.

"This is the 24th control experiment."

Chiba stood at the front of the stage, holding a thick report in his hand.

After being injected with "vitality-inducing factors extracted from Kushina's blood," the cell activity of these experimental subjects increased by 30%.

0%.

"but----"

Chiba pointed to one of the white mice, which suddenly convulsed and collapsed.

"The crash rate remains very high."

"The gene chains of ordinary organisms cannot withstand this level of vitality infusion."

Sosuke stared at the dead white mouse. Its body rapidly dissolved after death, turning into a pool of red liquid. This was genetic collapse.

"In other words, direct injection is not an option," Sosuke concluded.

"Yes."

Chiba pushed up his glasses.

"The Uzumaki clan's physique is a stable structure formed through thousands of years of natural selection and chakra evolution. To forcibly integrate it later in life, a buffer must be found."

Chiba turned around and took another test tube from the freezer. It contained a grayish-white liquid.

"This is the Shikotsumyaku stem cell fluid extracted from Hyuga Katsumi's body."

Chiba slowly dripped this test tube into the drinking water of another group of mice.

A miraculous scene unfolded.

The mice that drank this water did not immediately collapse.

Their bones began to thicken and their skin hardened. Although they looked somewhat deformed, they survived!

"The bone cells of the Kaguya clan, while highly invasive, also possess extremely strong structural stability."

Chiba explained.

"If we first strengthen your bones and hematopoietic system with the Corpse Bone Vein Factor, creating a strong foundation, and then inject the life factors of the Uzumaki Clan—"

"Bones lock in vitality, and vitality nourishes bones. Perhaps this can form a perfect cycle."

Sosuke's eyes lit up.

This is exactly the answer he wanted!

He has already proven the feasibility of "Kaguya + Senju" on Hyuga Masaru.

Now, Chiba's proposed "Kaguya + Uzumaki" is theoretically similar, or even more perfect.

Because the characteristics of the Uzumaki clan are "sealing" and "containing," they are more suitable as containers than the Senju clan's "growth."

"A brilliant idea, Chiba."

Sousuke praised.

"So, when can we begin?"

"at any time."

Chiba took out a set of syringes.

"But Mr. Sosuke, you should be prepared."

"This won't be done all at once like Hyuga Masaru. Your body is only human. We need to proceed in stages."

"Phase 1: Bone marrow replacement."

"I will use medication to slowly induce your hematopoietic stem cells to mutate in the direction of the Kaguya clan. This process will be very long, and—very painful."

Sosuke unbuttoned his shirt, revealing his arm.

"bring it on."

He looked at Chiba, his gaze unwavering.

He could finally become stronger in essence. He was willing to endure any pain for it.

The injection has begun.

There was no violent reaction after the first injection. A cool sensation flowed through my veins to my limbs and bones.

But the side effects started at night.

Late at night, in the master bedroom.

Sosuke lay on the bed, the sheets soaked with cold sweat.

Pain. A deep, tingling, and throbbing pain that penetrates to the very bone.

It was as if countless files were grinding and carving into his bones.

His bones are remodeling.

"Ugh————"

Sosuke gritted his teeth, trying not to make a sound. He didn't want to wake Kaori beside him.

But Kaori still woke up.

As a ninja, she was extremely sensitive to changes in the breathing of the person next to her.

"The boss?"

Kaori sat up and, by the moonlight, saw Sousuke's pale face and the cold sweat on his forehead.

"What's wrong? Are you feeling unwell? I'll go get Chiba—"

"Need not."

Sosuke grabbed her hand. His grip was frighteningly strong, and his palms were sweaty.

"This is a side effect of the treatment. It's normal."

"treat?"

Kaori looked at him with heartache.

She knew the man was conducting some kind of dangerous experiment.

She didn't try to stop him. This was what he wanted.

"Does it hurt a lot?"

Kaori asked softly.

"Thankfully—I can hold back—"

Sosuke's voice trembled slightly.

Kaori hugged him.

She pressed her warm body tightly against Sosuke.

She reached her hand behind Sosuke and gently stroked his spine, right where the pain was most intense.

"I'm here."

She whispered in Sosuke's ear.

That gentle touch diverted Sosuke's attention.

The pain seems to have lessened somewhat.

Sosuke hugged her tightly.

In this long, dark night, amidst the growing pains of evolution, the woman's body temperature was his only solace.

"Thank you, Kaori."

This went on for a whole month.

Sosuke has to receive injections every day and endure the pain of bone remodeling every night.

He lost weight and his face turned pale.

A month later.

Underground laboratory.

Chiba held an X-ray film, his hand trembling.

"We succeeded!"

"Mr. Sosuke, your bone density is three times that of an average person. The activity of your hematopoietic stem cells has also increased—"

A qualitative change.

"While you don't yet possess the Shikotsumyaku abilities like Hyuga Masaru, the hardness of your bones is already comparable to that of ordinary rock."

"Phase one, bone marrow replacement, completed."

Sosuke put on his clothes and stretched his body.

Although he had lost weight, he felt an unprecedented sense of power within him.

That's the feeling of a solid foundation.

"very good."

Sosuke clenched his fist.

"Then, it's time to proceed to the second phase."

"Introduce the life force of the Vortex Clan."

"No, wait."

Chiba stopped him.

"Your body needs rest. After a month of continuous modifications, your nervous system has reached its limit."

"We need to slow down. Otherwise, it will collapse."