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Giyu Tomioka reborn in Naruto.

Updates will be slow, as every chapter is very long atleast 3000 words per chapter. [Naruto × Demon Slayer Fanfiction.] Two years after defeating Muzan Kibutsuji, the Water Pillar Giyu Tomioka passed away peacefully. He expected to reunite with his family and comrades in the afterlife, but to his surprise, he woke up as a newborn baby in the ninja world, and not just any baby— but as Sasuke Uchiha's twin brother. With no enemies or goals left, Giyu grew up without the desire to become a ninja or engage in battles. He decided to dedicate his life to taking care of Itachi and Sasuke, finding solace in a peaceful existence. However, everything changed on his fifth birthday when a voice entered his mind, altering his destiny. 【After spending 1 hour in close proximity to Itachi, Flame Breathing proficiency +0.02%.】 【Once Flame Breathing reaches an intermediate level, the Flame Pillar Rengoku Kyōjurō can be resurrected.】 Determined to revive his fallen comrades, Giyu compelled himself to embark on a path of making friends. In short, this is the story of the pillars' resurrection in the ninja world and their new lives. ------ This is a fanfic translation from a Chinese novel. 我,宇智波义勇,没有被讨厌! SUPPORT ME ON - https://www.patreon.com/Lazy_Panda

The_Lazy_Panda · Komik
Peringkat tidak cukup
17 Chs

Chapter 7: Chakra Paper (part 2)

Chapter 7: Chakra Paper (part 2)

"Giyu, do you have any more questions about what I've explained?"

Ten minutes later, Uchiha Itachi stopped his actions of writing and drawing on the earth wall with his ninja knife.

Unlike when he explained to Sasuke earlier, he had to use many vivid and adorable metaphors to illustrate different concepts.

Giyu had a strong understanding, so Itachi directly introduced many specialized terms and explained the four processes of refining chakra and transforming it into the power of the Sharingan in detail.

The first step is to evenly blend the spiritual and physical energies within the body to create "stamina."

The second step is to convert "stamina" into chakra.

The third step is to transfer the chakra produced in the abdomen to the internal organs for storage through the meridians.

The final step is to distribute the stored chakra to the chakra points near the eyes as reserves to maintain the Sharingan.

Sounds simple, right? In reality, being able to proficiently complete the third step and have enough chakra stored to release the "E-rank Clone Technique, or Transformation Technique" is the graduation requirement for the Ninja Academy's ninjutsu course.

Most civilian graduates reach this level by the age of twelve, while students from prestigious clans grasp these concepts at around the age of ten.

Even a prodigy like Sasuke has been practicing chakra extraction for over half a year, and he has just stepped into the threshold of the third step. He can only store a small amount of chakra for now. Otherwise, the fireball he blows out won't be as simple as lighting a candle.

"I wonder how long it will take for Giyu to achieve stable usage of the Sharingan..."

"Perhaps about a year?"

"For now, I don't have any more questions."

Giyu nodded earnestly.

Even if Uchiha Itachi hadn't explained so much, Giyu had already grasped a general understanding using his "Transparent World" ability.

Now, when he activates the Transparent World, he can not only see the skeleton, muscles, and blood vessels of the human body but also has a complete understanding of chakra meridians and points. He can accurately observe the flow and direction of the opponent's chakra, including the entire process of its formation and transformation.

Little did they know that even without activating the bloodline limit, Giyu could achieve the basic abilities of the Sharingan and Byakugan with his innate "Transparent World" ability—Insight and Perspective.

Itachi nodded approvingly. "Giyu is indeed very intelligent. Now I'll teach Sasuke swordsmanship, and you can sit here and try to complete the first and second steps together."

Upon hearing that the training was about to begin, Sasuke wiped his mouth, showing a look of determination as if to say, "Today, I will also perform well."

Giyu tilted his head. "Do you have to go far for your training?"

["I need to stay within two meters of them."]

Little did he know that his puzzled expression looked quite cute.

["Rare to see Giyu looking so adorable."]

["Should we buy a camera later?"]

Itachi narrowed his eyes, covering the faint glimmer in them. "We'll train nearby so as not to disturb you. It's better for you to sit quietly for your first chakra extraction."

"I'll follow you."

Giyu didn't explain further and calmly said after covering the food with a lid, "Let's go."

Itachi and Sasuke exchanged a glance.

Itachi: "Giyu seems strange today."

Sasuke: "Did something go wrong?"

Although they were puzzled, they didn't want to go against Giyu's wishes. They led him to a clearing surrounded by a few large trees within the forest.

Behind the trunks, treetops, and leaves of these trees were targets with red and white patterns, marked with numerous small and large dents. This was the place where Itachi and Sasuke specifically practiced shuriken and kunai throwing.

Giyu remained silent, quietly watching his two older brothers find their positions, and then...

He sat cross-legged in the center between the two of them.

Itachi & Sasuke: "?"

"Giyu, do you have to sit here?"

Sasuke scratched his head with the hilt of a kunai. "You might get hit accidentally."

As always, he couldn't quite understand the purpose behind Giyu's actions.

"You won't be able to hurt me."

Giyu said with great certainty, "Itachi won't harm me."

Sasuke's face swelled up, visibly turning red in embarrassment. "Learning to light a candle, huh?" flashed through his mind again.

Fortunately, Giyu continued with the next sentence.

"I want to be closer to you both."

After speaking, he looked around with a puzzled gaze, observing the expressions of the two. "Is that not allowed?"

Sasuke felt like a dark cloud was suddenly pierced by sunlight.

He wants to be closer to us?

Compared to Giyu's usual icy attitude, Sasuke felt like crying.

This was the surprise brought by contrast.

At this moment, though puzzled, Itachi, who believed "anything Giyu does is fine," spoke, "If that's the case, Giyu can stay here. With me present, Sasuke won't be able to hit you."

"Okay."

Giyu nodded appreciatively. "Don't move more than two meters away from me."

He stared at Itachi and emphasized, "Especially you, Itachi."

Uchiha Itachi possessed the Sharingan, his chakra contained Yin attributes, and he could analyze the Moon Breath. This was something Sasuke temporarily lacked. Moreover, Itachi's analysis provided twice the resolution for Sasuke.

"Alright, no problem."

Itachi felt that his younger brother was relying on him, and a gentle smile appeared on his face. He speculated that it might be because of the birthday gift he gave Giyu yesterday that brought them closer.

Although he hadn't sorted out the details, a sense of accomplishment had already taken root in his heart.

At this moment, Itachi's expression sharply contrasted with Sasuke's rigid face.

"What does this mean? When did your relationship become so good?"

Sasuke's gaze moved back and forth between the two, his mouth gradually opening wider, and his skin becoming somewhat pale.

"Could it be... Giyu suddenly awakened and wants to compete with me for our brother?"

"No! No! No! Why is Itachi so happy? Could it be that he wants to compete with me for Giyu?"

"But Giyu and I are twins who sleep in the same bed!"

"No way! Both Itachi and Giyu are mine! No one can take them away. After all, I was here first..."

For a moment, he suddenly didn't know whom he should be jealous of.

"Alright, Sasuke, let's begin."

Itachi didn't notice that something was off with Sasuke and asked with a smile, "Do you remember the technique I taught you yesterday, throwing three shuriken simultaneously?"

"Don't underestimate me!"

Sasuke exclaimed loudly, holding three shuriken in his left hand and throwing them forward. However, because he exerted too much force, only one hit the target, while the other two flew above the target and landed in the woods.

"Looks like you've regressed, Sasuke."

"It's all your fault!"

"Why are you suddenly upset?"

"I'm not upset!"

"Why are you imitating Giyu's way of speaking?"

In this way, amidst the conversation between Sasuke and Itachi during their training, Giyu entered a state of meditation, completely ignoring the noise. Even in extremely dangerous conditions, he could still focus and maintain his breathing technique, which was a basic requirement to become an excellent swordsman. Giyu had long been accustomed to it.

At this moment, he was utilizing the subtle body control ability brought by the Transparent World to manipulate the body energy from every cell in his body, as well as the spiritual energy derived from his "training experience," gathering them in his abdomen and forming a slowly rotating vortex. Its scale far surpassed what Sasuke could achieve...

Since Giyu started mastering the Water Breathing technique, starting with the Constant Mid form six months ago, his body had been strengthened by natural forces. The energy he extracted from his body was not insignificant.

If Kakashi's mentors, were still alive, they would notice that Giyu possessed a kind of acquired and still evolving "Sage Body," although not as exaggerated as the Uzumaki clan, it was remarkably similar in essence.

As for the spiritual energy mixed with physical strength, it came from Giyu's battle experiences with demons in his previous life, which also constituted a considerable amount.

Therefore, the energy Giyu extracted was much more abundant than Sasuke's.

"Next, as long as the vortex accelerates, it will form chakra—"

But suddenly, something unexpected happened.

A third force, like a fierce beast, rampaged through Giyu's abdomen along with his Water Breathing!

"What is this...?"

Giyu opened his eyes. "The power obtained from the outside through the breathing technique?"

In the center of Konoha, in the bizarre insect snack shop run by the Aburame clan, two toads paused their movements and exchanged glances.

"Jiraiya is back, ribbit?"

The toad on the left raised its eyebrow. "Wasn't he supposed to be gathering materials in the Village Hidden in the Hot Springs, ribbit?"

"There's a disturbance in the practice of senjutsu. Besides him, who else in Konoha would be practicing it, ribbit?"

The toad on the right wasn't as surprised. "But he dares to play like this outside Mount Myoboku. He's really daring. He might turn into a stone toad, ribbit—"

The toads who practiced senjutsu in Mount Myoboku knew that natural energy, different from chakra extracted from within a ninja's body, was an extremely violent force.

This energy didn't pose much harm to toads that had existed in this world for a long time, but when humans who gained chakra only a millennium ago tried to practice senjutsu, they couldn't maintain a 1:1:1 balance between physical energy, spiritual energy, and natural energy. They would be eroded by natural energy.

Take Jiraiya as an example. He couldn't maintain this balance stably, so every time he used senjutsu, he would display certain characteristics unique to toads on his face. And that was just the result of a slight imbalance.

If the absorbed natural energy far exceeded the other two energies, he would turn into a stone toad and never return to his original form.

And what Giyu was experiencing at this moment was this danger. Once he made a serious mistake, he would become a part of nature.

Previously, since he had never practiced chakra, the natural energy brought by the Water Breathing technique merely adjusted his physical condition like a rushing stream of water, unconsciously molding his physique.

However, when he began to extract chakra, the conflicting energies from two different sources clashed.

"Hiss—"

Giyu remained motionless, furrowing his brows as he glanced at his little finger.

When that external force rushed into his abdomen, it disrupted the balance between the other two forces, preventing the formation of the vortex. His little finger's muscles and skin immediately turned translucent and ice blue, resembling a jellyfish. Through his skin, Giyu could see his own bones.

And the occasional pain that came from time to time let him know that he had probably messed up. Judging from the changes, if he continued like this, he might turn into an ice sculpture jellyfish.

He wanted to ask Uchiha Itachi what was going on, but he couldn't afford to be distracted right now.

Because if he did, the three energies in his body would become even more chaotic.

[Balance, balance, balance...]

Giyu closed his eyes and carefully manipulated his breathing using the Transparent World technique, intentionally reducing the efficiency of Water Breathing and the speed at which external energy entered his body!

Little did he know that he inadvertently solved the problem that had plagued users of senjutsu for years with his innate ability.

After about five breaths (which equated to five minutes), a larger vortex finally formed in Giyu's abdomen.

As the rotation speed gradually increased, a new energy was formed, and Giyu immediately felt a sense of swelling in his stomach.

[Is this the chakra of a ninja?]

Not quite.

Giyu didn't know that he had accidentally created the so-called "senjutsu chakra."

From this point on, things became relatively simple for Giyu, who could see the chakra network with his eyes.

He guided the senjutsu chakra formed in his abdomen along the meridians, directing it to his internal organs and concentrating it in his heart. It took an unknown amount of time before he finally felt a slight overflow.

With this, he had completed the third step that Uchiha Itachi had mentioned.

The final step was to divert the stored chakra to the chakra points that controlled the Sharingan---

Outside, Uchiha Itachi, who was teaching Sasuke how to throw a kunai in an arc, subconsciously turned around and locked eyes with a pair of Sharingan eyes.

"Hmm?"

He blinked suddenly, his first reaction being that he must have been mistaken.

[How could this be happening so quickly?]

[It hasn't even been a day yet!]

Then, it was Sasuke's exclamation that snapped him out of his mental shock.

"Giyu, is that your Sharingan?"

Sasuke wiped his hands on his clothes and squatted down, holding Giyu's face and looking into his eyes with curiosity. "Do you feel anything unusual?"

"Well..."

Giyu's "chakra" was already full, so he stopped the process of the vortex in his body and seriously pondered Sasuke's question.

"I see more colors."

For example, Sasuke's face, which had appeared as a healthy white before, now Giyu could even distinguish five different color patches on Sasuke's face.

Then, he activated the Transparent World and combined it with the dynamic visual effect of the Sharingan---

"Sasuke's blood flow seems to have slowed down..."

"Your movements are slower."

"Big brother?"

Sasuke turned his head, looking at Itachi with envy. "Is this the power of the Sharingan?"

"Yes, the Sharingan has the power of insight similar to a microscope and a magnifying glass. The movements you see appear slow, like a slowed-down movie. In addition, it has the ability to cast genjutsu and repel genjutsu..."

Itachi slowly explained, "However, the specific effects depend on the strength of the user's ocular power. If it were a three-tomoe Sharingan, the shuriken you just threw would appear slow like falling leaves in the opponent's eyes."

"Wow, that's amazing!"

Sasuke became even more envious, "When will I be able to have my own Sharingan like Giyu?"

"...When an unfortunate event happens."

Itachi had originally intended to say, "When you grow up, you will naturally have it," but the counterexample of Giyu was right in front of him, and it was clear that he couldn't respond to Sasuke's enthusiasm.

So he remained silent for a while, squatting down to the same height as Sasuke, and said in an incredibly gentle tone, "When you need to become stronger, the Sharingan will awaken. But for now, you have me... and Giyu to take care of you, so there's no need for you to awaken your eyes yet."

"..." This time, Sasuke fell silent. He had a vague feeling that his brother's expectations of him seemed different from his father's.

His brother didn't want him to awaken his eyes.

Although he didn't know why, Sasuke believed that Itachi would never harm him. He had full confidence in that.

A faint sense of conflict arose in his chest. He wanted to gain his father's recognition, but he didn't want to go against his brother's wishes.

So he turned his head and looked at Giyu, hoping to find answers from the third person.

But this look seemed to reveal something...

"Why does Giyu's Sharingan look slightly different from what Dad showed me this morning?"

He raised the question, pressing his face almost against Giyu's nose. "It seems lighter..."

"Is that so?"

Giyu was taken aback, casting a questioning gaze at Itachi. "Is it due to the power of the eyes?"

"No, the ocular power only affects the strength of the Sharingan's effects, which is reflected in the number of tomoe in the eye."

Itachi also leaned closer, and he first had Giyu face against the light and then face towards the light to confirm that Giyu's eye color was indeed different from his and Sasuke's. It wasn't just an illusion.

Giyu's Sharingan was not the fierce crimson that exuded a sense of ferocity and cruelty like blood. Instead, it resembled the colors of an orange and purple sunset reflected on the water's surface, with a coldness that carried a hint of warmth, as if a faint blue mist had been added to the normal Sharingan.

It was then that Itachi realized that Giyu's natural eye color was different from the pure black of their clan; instead, it was a deep blue that exuded tranquility.

Perhaps it was because of this that Giyu's Sharingan looked so... gentle?

"It looks scarier when you're normal."

Sasuke voiced what Itachi had wanted to say.

"Can you close the Sharingan skillfully?"

Itachi asked.

"I can."

Giyu manipulated the chakra in his eyes to return, restoring his original appearance.

[Although it's not very appropriate to put it that way.]

After staring at Giyu for a while, Uchiha Itachi thought to himself.

[Giyu is probably the only child in the Uchiha clan who looks more comforting with his eyes open than closed.]

"As long as you can freely open and close it, there shouldn't be any major issues."

Itachi paused for a moment. "If you want to enhance your ocular power, just use the abilities of the Sharingan more. Generally, clan members reach the three-tomoe stage within four to five years after awakening their eyes. If they encounter emotional stimulation, it can be even faster. However, this method is not very stable."

[The prerequisite for reaching the three-tomoe stage is that their chakra level must also be close to the level of a Jonin, otherwise their personalities may undergo unpredictable changes.]

"As for the genjutsu cast by the Sharingan..."

Itachi activated his Sharingan, and the three tomoe slowly revolved. In an instant, Itachi in Giyu's eyes transformed into a giant crow and then returned to Itachi's original appearance.

Directly projecting images into someone else's mind is the basic application of the Sharingan genjutsu. Of course, it is also the easiest to break. Itachi was just demonstrating it to Giyu.

"If you want, you can learn it. The specific content is written on several stone tablets in the clan's shrine. You can see them once you activate the Sharingan."

At the moment Itachi's genjutsu ended, a notification sound rang in Giyu's mind.

[Uchiha Itachi has used Sharingan's ocular technique in your presence. Breath of the Moon Breathing Analysis +0.003%, current progress 10.003%.]

Giyu felt delighted at first, but then he realized that the increase in the analysis progress for the Breath of the Moon was not the same as the 0.003% increase for the Breath of Flames. It was 10 times smaller!

[The 10% progress I already have should be because I have a one-tomoe Sharingan, just like the 20% basic progress for the Breath of Flames due to being an Uchiha and naturally possessing the Fire element.]

[If the ocular power of the Sharingan increases to two tomoe or three tomoe, will the progress increase by 10% or 20% again?]

[But in that case, I have to use the Sharingan frequently. The Uchiha genjutsu that Itachi mentioned just now...]

"No need."

Giyu shook his head. "I don't want to learn the Uchiha clan's jutsu."

He felt that since he didn't plan to serve the Uchiha clan and become a ninja, there was no reason or qualification for him to learn the family's secret techniques, just like a person who doesn't kill demons doesn't have a reason or qualification to learn the sword forms of Breath of Flames.

[As for enhancing my ocular power, I'll just cook with the Sharingan.]

Just as Giyu was about to ask for the current time, he heard another notification sound.

[Spent 4 hours in close proximity with Uchiha Itachi. Breath of Flames Analysis +0.04%, Breath of Wind Analysis +0.02%, Breath of the Moon Analysis +0.03%.]

[Spent 4 hours in close proximity with Uchiha Sasuke. Breath of Flames Analysis +0.03%, Breath of Thunder Analysis +0.01%.]

"It's been four hours."

Giyu was slightly shocked, looking at Itachi directly and asking, "Do you have Wind attribute chakra?"

"Hmm?"

Uchiha Itachi looked at Giyu strangely. "How did you know?"

Giyu lowered his head without answering.

He now knew that Sasuke and Itachi, in addition to the Fire attribute chakra passed down by the Uchiha, also had Thunder attribute and Wind attribute chakra, respectively.

Seeing that Giyu didn't want to answer, Itachi assumed that he had seen him using Wind Release ninjutsu at some point and didn't dwell on it.

"There are special test papers for this, but usually, shinobi only use them when they reach the Chunin rank. But you two are ahead of schedule."

Itachi took out two palm-sized pieces of paper from his pocket and handed one to Giyu and one to Sasuke. "Focus your chakra in your hands, and the paper will react automatically. If it's Fire attribute, the paper will burn; if it's Thunder attribute, it will wrinkle; if it's Water attribute, it will become damp; if it's Wind attribute, it will tear; and if it's Earth attribute, it will shatter."

"What if it's more than one type?"

Sasuke was worried that he only had one chakra attribute.

"Just try it, and you'll find out."

Itachi smiled and said, "Don't worry, there's nothing wrong with having just one type."

[Your dad will say otherwise.]

Sasuke wrinkled his nose, expressing his dissatisfaction, then used his meridians to guide his chakra slowly toward his hands.

From this point, it was evident that Sasuke and Giyu had the biggest difference. Giyu could clearly see the position of each meridian, which saved him a lot of time.

Until fifteen seconds later, a change occurred in Sasuke's hand!

The right half of the paper ignited into flames, while the left half suddenly contracted like a peeled candy wrapper, clearly dividing the paper into two equal parts.

"Now you can rest assured."

Itachi looked just as happy as Sasuke, "It's both Fire and Thunder. Fire Release and Lightning Release, both are powerful ninjutsu."

"Really? That's great."

Sasuke extinguished the faint flame in his hand and preserved the used test paper as a memento.

"Now it's Giyu's turn---"

Before Uchiha Itachi could finish speaking, Giyu's chakra instantly flowed into his hand as if he had practiced it ten thousand times.

The paper in his hand predictably started burning from one side.

But the next moment.

The paper, like melting wax, bent and melted, as if it had been soaked in water for three days and nights. The area started from a small corner and gradually expanded to the entire paper. Even the previously burnt section was covered and extinguished by this representative dampness.

Itachi widened his eyes.

[This, this is...]

Giyu's chakra not only possessed the Uchiha's inherited Fire attribute, but it also had the opposite and most extreme Water attribute!

This level of affinity was probably only comparable to the Second Hokage and the demi-god of the shinobi world, Senju Tobirama!

Could it be that the Uchiha clan had produced a genius in Water Release?

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