Snake Uncle's Surprise

In the backyard of Orochimaru's house, Kamiya Keiyun raised his hand and formed hand seals. "Earth Release: Mud to Stone Technique!"

BOOM!

In an instant, a cylindrical pit one meter deep and fifty centimeters in diameter appeared on the ground. Around the edge of the pit was a layer of black stone, ten centimeters thick, with smooth edges!

Orochimaru's eyes suddenly lit up. Indeed, this was a technique he had never seen before!

However, it wasn't difficult. It should be around C-rank level. He could learn it after seeing it once.

But the key question was, where did this technique come from? Wasn't Kamiya Keiyun supposed to be a civilian?

Furthermore, why was this technique called Production Ninjutsu?

"Look, Lord Orochimaru, this is the Earth Release: Mud to Stone Technique I invented. It uses the repulsive force of chakra on matter to compress mud into stone. This is what we see now, a circular pipe. In reality, it's not just pipes; as long as you want, you can compress it into square bricks, rectangular bricks, or spheres!"

Orochimaru shook his head. What repulsive force? Your chakra nature is Earth Style. This is just the most basic application of Earth Style chakra!

However, he caught another keyword: "I invented!"

This technique... did this child in front of him invent it?

How was that possible? He was only five years old!

But Orochimaru wasn't the type to ask pointless questions. He knew that Kamiya Keiyun's emphasis was on Production Ninjutsu. Who invented it was a secondary matter.

"So, what's the use of this ninjutsu?" Orochimaru asked.

"It's useful, extremely useful!" Kamiya Keiyun said. "Lord Orochimaru, have you noticed that Konohagakure is currently installing power lines?"

Orochimaru nodded. This was something merchants from outside were doing, utilizing electrical energy for lighting, heating, and the like.

They were currently erecting utility poles all over the village, and his house had also been wired.

"Then don't you think things like power lines are very dangerous?"

"Hmm?"

"As Konohagakure's population grows, every household will need power lines. There will be more and more wires on the poles. With the wind and sun, plus birds pecking at them from time to time, the wires are prone to damage. When the insulation breaks and the metal inside is exposed, it will short-circuit, leading to fires. Remember, most of Konoha's buildings are made of wood! If one building catches fire, it can instantly spread to a large area!"

Orochimaru wasn't worried about this problem, fires! Wouldn't a Water Release jutsu solve it?

He was more curious about how a child like Kamiya Keiyun knew so much.

And why did he specifically come to tell him this?

"So, this ninjutsu can solve this problem?" Orochimaru asked.

"Obviously, yes!" Kamiya Keiyun nodded. "We can bury the power lines underground, so they won't be affected by the wind or rain! And the things that contain the power lines are precisely the pipes manufactured by our ninjutsu!"

In reality, pipes could be cast with cement, but ninjutsu would definitely be faster than digging, especially for underground construction. Without large machinery, it would be impossible. If they encountered rocky terrain, they might even need a tunnel boring machine. But ninjas could handle it easily.

One person is a tunnel boring machine.

"I see!" Orochimaru tasted the meaning behind his words.

"Also, Konohagakure doesn't have many people yet, but the sewage system is already a bit insufficient. Have you smelled anything unpleasant when walking on the road?" Kamiya Keiyun asked again.

Orochimaru nodded. His sense of smell was still sharp, and he smelled more. But what could be done? All villages were like this!

"We can build the sewage system underground, using these pipes as well!" Kamiya Keiyun pointed to the pipes under his feet. "And we can run the power lines through them too, which will also help block the smell!"

In reality, this was called a utility tunnel, a tunnel project that integrated various pipelines such as electricity, communication, gas, heating, and water supply. However, Konoha didn't have communication, gas, or heating issues yet, so currently, only electricity and water supply were being discussed.

"Ah, this..." Orochimaru blinked. He was an intelligent person. Although he hadn't seen the things Kamiya Keiyun was talking about, he could imagine them.

With such an imagination, it seemed to bring considerable benefits to Konoha.

"So, this is the so-called Production Ninjutsu?" Orochimaru asked.

"That's right. It's not for combat, but for production. Wait..." Kamiya Keiyun paused, suddenly remembering something, and then cautiously asked, "So, this world doesn't have the concept of Production Ninjutsu?"

Orochimaru smiled and nodded. "That's right. If nothing unexpected happens, then this technique should be the first. So, can you tell me why you brought such a technique to find me?"

So, the stepping stone wasn't your sister, but this ninjutsu?

"Uh..." Kamiya Keiyun was a little flustered. What kind of logic was that!

Chakra, such a powerful force, wasn't being used for production? And he had to invent Production Ninjutsu?

Was this reasonable?

Even Xianxia worlds had techniques to promote plant growth, and to command wind and rain to ensure favorable weather, benefiting production!

Logically, anyone should have thought of this. So, was there a problem with him, or with this world?

"Well, it's like this!" Kamiya Keiyun answered earnestly. "I thought, if this ninjutsu had never appeared in this world, then I would cooperate with you. We could jointly establish an underground pipe equipment factory. I would contribute this ninjutsu as capital, and you would contribute funds. Of the profits earned, I would take 15%!!"

Orochimaru was a bit confused by the child's thought process. The ninjutsu wasn't even a gift, but something to cooperate with him to make money?

"Let's put the licensing aside for now!" Orochimaru waved his hand, his curiosity piqued. "First, tell me, what is Production Ninjutsu, and how did you think of inventing such a ninjutsu?"

"Uh..." Kamiya Keiyun scratched his head. "I thought it was only natural, wasn't it? We all want to make our lives better. With a power like chakra, we should naturally strive in this direction. If we can make the roads smoother, the environment cleaner and tidier, and the village safer, isn't that a good thing?"

Orochimaru fell silent.

"This was the original intention behind my invention of this ninjutsu. As for what Production Ninjutsu is, it's a ninjutsu that can participate in our production and life, improve production and work efficiency, and make life better!" Kamiya Keiyun continued to explain.

Orochimaru nodded. Extending from this Mud to Stone Technique, this technique could indeed be used for paving roads, drilling through mountains, mining, and constructing those... underground pipelines.

With that in mind, this technique truly has potential, and it can indeed make everyone's lives better.

More crucially, this technique isn't even an A-rank or B-rank ninjutsu, but a C-rank!

It doesn't involve any nature transformation, only changes to the Earth Style chakra's properties. Any genin could learn to use it in a week or two.

So the question arises: why hadn't anyone invented such a simple, convenient ninjutsu that greatly benefits daily life before?

They even invented more advanced techniques like Earth Style: Stone House Collapse, Earth Style: Stone Pillar Spear, and Earth Style: Stone Stealing Club. So why didn't they think of turning those pillars and clubs into pipes and bricks to build the village?

Where did things go wrong?

If we continue to expand on this line of thought...

If we invent ninjutsu like this, instead of ninjutsu for combat, will there still be wars in the ninja world?

Will my disciples and friends still die?

At this moment, Orochimaru's gaze towards Kamiya Keiyun began to change.

In fact, his attitude had already shifted when he learned that this child had invented a new ninjutsu. Regardless of the technique's difficulty, it was remarkable for a five-year-old child to invent a new ninjutsu.

And now, he also understood the significance this ninjutsu represented.

This could be a hope for peace!

Thinking this, Orochimaru felt a sense of anticipation.