Naruto: The Ninja World's Life Buyer

Chapter 198 Biological Weapons, Dual Bloodline Blades

The two entered the Uchiha clan's territory.

"Sousuke-sama! Mikoto-sama!"

The Uchiha clan members on night watch bowed deeply.

"Thanks for your hard work."

Sosuke and Mikoto nodded slightly.

The journey was quiet. The stone lanterns lining both sides of the road emitted a soft glow.

We arrived at the gate of the mansion.

"Please come in, Mr. Sosuke."

Mikoto's smile was gentle.

"It would be too impolite of me to let you go back like this. Besides—I would also like to invite you to try my cooking."

Sosuke did not refuse.

"Then I'll take my leave."

It's warm inside.

"Please take a shower in the bathroom first. I have prepared hot water and a clean yukata."

Mikoto made the arrangements like a virtuous wife.

"it is good."

Sosuke took the clothes and went into the bathroom.

When he washed away the blood and changed into a dry bathrobe and came to the living room, a faint aroma of food already filled the air.

It wasn't a fancy meal.

On the low table were two bowls of steaming tea-soaked rice, a dish of pickled plums, a plate of neatly sliced ​​tamagoyaki, and a few pieces of golden-brown rice cakes.

"I'm sorry, it's so late, it's not appropriate to have the maid cook, so I can only make something simple."

Mikoto knelt by the table, already dressed in loungewear, her long hair loosely tied up, making her look exceptionally relaxed at home.

"That's good enough."

"9

Sosuke sat down opposite him.

He picked up the bowl and poked at the bright green seaweed with his chopsticks.

"I'm starting to eat."

The two ate quietly.

Sosuke ate it all up.

"Would you like more?" Mikoto asked softly, holding a teapot in her hand.

"No need, seven-tenths full is just right for health."

Sosuke put down his chopsticks and bowl.

Mikoto poured him a cup of hot tea.

"Mr. Sosuke, I heard you've been collecting recipes from various countries lately?"

Mikoto started talking about lighthearted topics.

"yes."

Sousuke smiled.

"After all, I own a dessert shop. I can't just sell red bean soup. I want to develop some new products, such as panna cotta from the Land of Lightning and sea salt cake from the Land of Water."

"I will do it."

Mikoto's eyes lit up.

"When I was little, my mother taught me how to make the special sweets of the Land of Lightning. If you don't mind, I can teach Hazuki from the shop another day."

"That's wonderful, thank you so much."

"Could this be considered a technology-based equity investment?"

Mikoto made a rare joke.

The two looked at each other and smiled.

Late at night.

Sosuke glanced at the clock on the wall.

"It's time to go."

He stood up.

"You're pregnant, you need to rest early."

Mikoto also stood up and escorted him to the entrance.

"clothing----"

She pointed to the clothes Sosuke had changed out of.

"I'll have someone wash and dry it. You can wear this yukata back home for now, and I'll have someone deliver it to Kikyo-kan tomorrow."

"it is good."

Sosuke did not reject this thoughtfulness.

He put on his wooden clogs and pushed open the door.

The air was fresh and crisp in the dead of night.

"Mr. Sosuke."

Just as he was about to step into the night, Mikoto called out to him from behind.

Sosuke turned around.

Mikoto stood in the lamplight, her hands clasped in front of her abdomen, her posture dignified.

"—Be careful on the road."

"I will."

Sosuke nodded and turned to leave.

It was already past midnight when I returned to the Kikyo Pavilion.

The room was quiet.

Sosuke went to the basement.

This is the second basement level, the newly expanded area.

Thanks to the private armed force permit issued by the Daimyo Prefecture, and Sosuke's current status as a "strategic materials advisor," he no longer needs to hide his laboratory in a narrow cellar like a thief.

Thanks to Sosuke's relentless investment and Orochimaru's technical blueprints, this place was transformed into a truly modern biological laboratory.

The walls were covered with sealing runes, isolating them from all external chakra detection, and the constant temperature system maintained the temperature at the optimal level for cell survival.

This is Sosuke's most core asset repository.

"Mr. Sosuke, please look."

Chiba, wearing a white lab coat and goggles, stood in the center of the laboratory.

In front of him stood a huge cylindrical culture tank, three meters high.

The tank was filled with a pale green, translucent liquid, and the air pump at the bottom continuously emitted fine bubbles to maintain the flow of the liquid.

In the center of the liquid, suspended—a "knife".

Or rather, it was a creature that looked like a knife.

It lacks the cold, hard luster of metal.

Its "handle" is a section of grayish-brown joint tissue resembling a human spine, which is still slightly wriggling, as if it is breathing.

Its "blade" is a dark red substance with a semi-transparent, horn-like texture, resembling a mixture of compressed muscle and bone. Beneath that dark red surface, faint blue veins can be seen pulsating, delivering some kind of high-energy nutrient.

This is—[Biological Weapon Prototype Zero].

"We took a wrong turn before."

Chiba stared at the floating monster with a fanatical look in his eyes.

"Attempting to compress the bone cells of the Kaguya clan and the life force of the Senju clan into a volume as small as a kunai or a shuriken is against the laws of biology."

"If the volume is too small, it means that it cannot accommodate a complete chakra circulation system. The cells will quickly die due to energy overload and turn into a pile of rotten flesh."

"Therefore, I gave up on miniaturization."

Chiba pressed a button on the control panel.

The robotic arm inside the culture tank slowly descended and grasped the "spine handle".

"To maintain the activity of this dual bloodline limit, a complete life form must be constructed."

"This knife is essentially a living but mindless creature."

Sosuke stared at the strange sword.

The snake's thermal imaging revealed a red core pulsating powerfully inside the knife. That was its heart.

"Unbelievable—is this—the ultimate form of life being alienated and reduced to a tool?"

Sousuke muttered to himself.

"Demonstrate it." He couldn't wait to see its power.

"Yes."

Chiba control lever.

The gate on the other side of the laboratory opened.

A ninja beast was pushed out. It was a wild boar, thick-skinned and tough, and in a state of extreme ferocity due to drug stimulation.

"roar!!!"

The wild boar roared and rammed against the cage.

The robotic arm, holding the "biological knife," reached into the cage.

No one waved it.

But when the sword sensed the body temperature and chakra of a living being, it awoke.

The spine at the hilt suddenly contracted and tightened. The dark red keratin layer on the blade surface instantly hardened, transforming into a bone blade harder than steel.

puff!

The robotic arm simply pushes the object forward.

The knife easily pierced the wild boar's thick hide and disappeared into its abdomen.

If it were an ordinary knife, this would be the end. But this knife's attack has only just begun.

"Let's begin eating," Chiba said softly.

A horrifying scene unfolded. The knife embedded in the wild boar's body suddenly "exploded."

It wasn't an explosion. It was growth.

Countless sharp, grayish-brown bone spurs with wood-like textures grew wildly from inside the blade!

They are like tree roots digging into the soil, instantly spreading, branching, and piercing through the wild boar's body.

Bone Release: Bone Forest Cuttings!

"Awooo—!!!"

The wild boar let out a heart-wrenching scream.

Its body quickly shrank.

Those grayish-brown bone spurs physically damaged the internal organs and were also greedily sucking the wild boar's chakra.

Chakra flowed back along the bone spikes to the blade, making the dark red blade appear vibrant and even emitting a pleasant trembling sound.

In just five seconds.

That giant wild boar, weighing several hundred kilograms, had turned into a dried-up corpse.

The knife, seemingly "full," slowly retracted its protruding bone spikes, its surface shimmering with a warm luster.

"Perfect."

Sosuke commented.

"Physical destruction, combined with chakra absorption. This thing is a deadly weapon on the battlefield."

"but----"

Sosuke noticed the mechanical arm holding the knife handle.

The robotic arm, made of a special alloy, was twisted.

At the point where the handle contacts the robotic arm, several tiny bone spikes emerged, piercing into the metal and searching for nutrients.

"It doesn't distinguish between friend and foe."

"It's too greedy. If someone holds it, it will eat their hand along with it."

"This is the biggest technical challenge that backfired."

Chiba was prepared.

"The cells of the Kaguya clan are extremely aggressive, while the cells of the Senju clan are extremely assimilative. The combination of these two has created an eternally hungry monster."

"An ordinary ninja would be drained the moment he grasped it. Therefore, we need to put a collar on it."

Chiba walked to the worktable and picked up a pair of black gloves.

The gloves are made of a special chakra-conducting fabric.

On the corresponding position of the palm, there is a bright red, complex swirling spell.

"This is----"

Sosuke recognized the pattern.

"A variant of the Reverse Vortex: Golden Binding Talisman?"

"Yes."

Chiba nodded.

"I specifically consulted with Kushina-sensei and improved that sealing technique, which I then solidified onto these gloves."

"The function of this procedure is—a one-way valve."

"It allows the user's chakra to flow into the blade, to drive it, and to control it."

"However, when the sword tries to absorb the user's chakra in reverse, the sealing technique will activate instantly, forming a reverse vortex that forcibly pushes the suction force back."

"Not only that."

Chiba picked up the gloves and put them on a chakra prosthetic arm that simulated a real person.

Then, he let the prosthetic arm grasp the bio-knife.

Zizi!

As the bio-knife pierced through the bone spikes and devoured the prosthetic limb, the red runes on the glove suddenly lit up.

"Buzz!"

A suppressive wave emanated from it.

The blade trembled slightly, and the bone spikes that had been trying to retaliate retracted and became docile.

"This is—the [Sealed Link]."

Chiba explained.

"Only those who wear gloves engraved with a specific sealing technique can safely use this weapon."

"This is a knife that has recognized its master."

Sosuke looked at the biological weapon that had quieted down under the seal and felt an unprecedented excitement.

The sword is very powerful, and it would be a real headache for him if it fell into the hands of an enemy. But if he has the "sheath" sealed gloves, then that will no longer be a problem.

Without gloves, even if an enemy gets hold of it, this knife is nothing more than a venomous snake that devours its master.

"very good."

Sosuke stepped forward and put on gloves.

Let's give it a name.

Chiba thought for a moment.

"Let's call it—[Hungry Ghost Bone Eater]."

Sosuke nodded.

"A nice name."

"Is it currently in mass production?"

"The core 'dual bloodline living organism' requires a long cloning and culture process, with a cycle of approximately one month."

Chiba made an estimate.

"Currently, it can only be used as elite equipment. It cannot be made available to all private soldiers."

"That's enough."

Sosuke didn't intend for everyone to have this dangerous thing.

"Produce five first."

"The first one is for Hyuga Masaru. His body has already adapted to this power, and he can suppress it without gloves. This sword will take his combat power to another level."

"The second one — for the saw teeth."

"That guy has wanted a powerful ninja sword for a long time. And in a place like the Land of Rain, he needs a weapon that can sustain him through war."

"The rest, seal them away as a reward."

Sosuke turned and left the laboratory.

"Chiba, keep improving."

"Next, I hope to see—living armor."

"If we could turn this 'Bone Release' into a full-body bio-armor, we could completely surpass most ninjas with it."

"Mr. Sosuke, that's a bit too difficult. But—"

"If we combine this with our previous research on prosthetics, perhaps we could try to cultivate a 'parasitic' armored creature."

"That is, what you mentioned before—exoskeleton."

"very good."

Sosuke turned and left.

"Continue the research."

Sosuke walked out of the basement and went up to the second floor.

Push open the bedroom door.

Kaori was already asleep, but she woke up immediately.

"Boss—you're back."

The voice was hoarse and languid, as if the person had just woken up.

She shifted her body, and the sheet slipped down, revealing her rounded shoulders.

"No need to get up, keep sleeping."

Sosuke pulled the corner of the blanket up to cover her exposed shoulders, accidentally touching her warm skin.

His fingertips felt cold; the basement temperature remained consistently low year-round, and his hands felt like ice as he had just come out.

Kaori took that hand in both of hers and gently kissed it.

Are you cold?

"It's not cold."

Sosuke's fingers slid upwards along her wrist, his fingertips gently caressing the skin on the inside of her arm. There used to be a scar there.

Under the nourishment of the scar-free cream, the scars have faded considerably, leaving only a faint pink mark that feels smooth to the touch.

"The ointment is very effective."

"Hmm—the wound used to itch on rainy days. But it doesn't anymore."

Kaori looked at her arm, a hint of tenderness in her eyes.

"I'll take you shopping for clothes in a few days."

Sosuke's gaze fell on her collarbone, where there was also a faint knife mark that was gradually fading away.

Summer is almost here. I want to see you wearing short sleeves.

Kaori paused for a moment.

In the past, she always blamed herself on being hidden in her heavy combat uniform or long-sleeved trousers, like a shady character.

"Can I...?"

She shrugged her shoulders in a hint of insecurity.

"Although the scar has faded, you can still see it if you look closely—"

"Who dares to look closely?"

Sousuke smiled.

"You are my daughter. Anyone who dares to stare at your arm, I'll gouge out their eyes."

Kaori burst out laughing.

She snuggled closer to Sosuke, her forehead pressed against his chest.

"Ugly is truly domineering."

"But—I'll try it on. Just for you to see."

"No, I want to wear it outside."

Sosuke gently patted her back with his palm.

"Let's take Xiyan with us and go for a stroll in the streets."

"I want everyone in Konoha to know that you are the most beautiful mother in all of Konoha."

Kaori closed her eyes, tears welling in her eyes.

"Boss."

"Um?

'

"If—if one day, the war really ends."

Kaori's voice was very soft.

"Let's not do the raw push anymore, and let's not be ninjas anymore, okay?"

Sosuke remained silent for a moment.

He didn't believe that day would come easily.

But he was willing to stay in this warm bed and weave this lie.

"it is good."

He placed a kiss on the top of her head.

"Go to sleep."

Kaori's breathing gradually became even and long. She fell into a deep sleep in his arms.