Uchiha's Blade

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Mana didn't care at all about Tsukuni Iwakatsu's mood. She came not only to tell everyone that Tokidou Muichiro had to take leave, but also to share her discovery about Sun Breathing.

"At least from the Sharingan's perspective, there are some differences between the God of Fire Kagura and the Breath of the Sun."

It is these differences that make Breath of the Sun more 'people-friendly'.

But even if there are subtle differences, Fire God Kagura is still the inheritance of Breath of the Sun, and Mana completely agrees with this,

Just like the same ninjutsu, there are differences between what she uses and how Tobirama-sama uses it, but it is undeniable that it is the ninjutsu that Tobirama-sama taught her.

In ordinary vision, Tanjiro Kamado and Kagura, the God of Fire, and Breath of the Sun are almost identical, but under the Sharingan, Mana can see more details.

What's more, there was Enichi Tsukuni next to him at this time, who used the transparent world as a part-time 'Byakugan'.

So soon, everyone roughly understood the small gap.

Enichi Tsukuni also expressed his admiration for the Sharingan: "It is very powerful."

Moreover, this power is passed down more stably through blood.

Mana nodded: "Generally speaking, the blood successor family is indeed more likely to have powerful ninjas than the ordinary ninja clan, and in addition to the top experts, the blood successor family is also far superior to the ordinary ninja clan in terms of basic strength, Uchiha Not all tribesmen can evolve the Sharingan to its peak, but more than half of the tribe can open the Sharingan of one magatama or double magatama. In fact, when it comes to this ability, the Byakugan far surpasses the Sharingan."

After all, there is a problem with the chance of opening the Sharingan. Some tribesmen are unable to open the Sharingan in their entire life, and most tribesmen are stimulated to a certain intensity when opening the Sharingan. Every evolution of the Sharingan is often accompanied by a crisis. This makes the survival probability of those tribesmen who have opened the Sharingan Eyes still exist. Some tribesmen who have their eyes opened have died before they have enough time to grow.

Byakugan is completely different.

Compared with the Sharingan, the ability of the Byakugan seems to be a bit too single, but the high probability of the Byakugan opening is enviable.

Almost half of the Hyuga tribe can turn on the Byakugan before they are five to six years old. If the age is relaxed to ten years old, Mana estimates that the probability can reach more than [-]%.

The opening of the Byakugan does not require any strong stimulation. As long as the body is developed enough and has a certain amount of chakra, most people can open the eyes naturally.

Therefore, most Hyuga clan members can turn on their Byakugan relatively stably.

The Byakugan's bonus to combat cannot be compared with the Mangekyō Sharingan, but there are always only a few ninjas like Uchiha Madara in this world. If a family wants to pass on the legacy, it still has to rely on those backbones.

This is one of the reasons why the Hyuga clan can become a powerful ninja clan as famous as the Uchiha.

As for Uchiha...

"The power of the Uchiha represents destruction," Mana said. "It has been a powerful and cursed power from the beginning."

After saying this, everyone's expressions were very serious, especially Tomioka Giyuu. He probably thought of the time Mana was unconscious again, and looked at Mana with particularly worried eyes.

Mana waved his hand: "Okay, the chat is over. I'll borrow Mr. Tomioka for a while."

Tomioka Giyuu was still in the state of turning on the markings. After being pulled aside by Mana, Mana asked him: "Do you feel any discomfort when turning on the markings?"

Tomioka Giyu shook his head: "Is there anything wrong with the stripes?"

Mana said: "Mr. Jiguo said that most people who turn on stripes will not live to be 25 years old. The only exception is Enichi-senpai, so I am a little worried about your situation."

After hearing this, Giyu Tomioka immediately said: "Then don't let others turn on the markings!"

Especially Yan Zhu Ming Yu Xing Ming. He is already over 25 years old. Who knows if he will die directly after turning on the markings?

Zhenna said: "I don't think anyone will agree with this matter. I really want to tell everyone later, but the effect..."

Mana has no hope at all for this kind of thing.

and……

"This is not entirely a matter of their personal wishes. It is said that if someone around you turns on the markings, it will also resonate with other people who turn on the markings. So Mr. Tomioka, your situation is very important. First, we must find out We understand why you can’t live past the age of 25 after turning on the markings, and there must be a solution to this problem. Since Yuanyi-senpai has lived past the age of 25, it means that this is not a certain death.”

Besides, Mana felt that Tanjiro could also provide evidence.

The Kamado family's fire god Kagura, which has been passed down from generation to generation, is not only the inheritance of the breath of the sun. According to Tanjiro's description of his father's last words, it is very likely that there is also someone in the Kamado family who can open up the transparent world.

With the Breath of the Sun and the Transparent World, Mana doesn’t think anyone in the Kamado family has ever turned on the pattern.

After all, no matter how you look at it, opening stripes is easier than comprehending the transparent world.

But the Kamado family did not have any curse about 'die at the age of 25'. On the contrary, Kagura, the God of Fire, was passed down with an extremely positive and healthy image.

It doesn't make much sense to compare Enichi Tsukuni. Mana feels that everything about Enichi Tsukuni is too special, and he is the 'special' one.

But what’s so special about the Kamado family?

Kagura, the God of Fire, or the Transparent World?

Before Tanjiro Kamado opened his pattern, Mana had no way to find other subjects to study.

Therefore, I had to think along my own lines and find out why stripes shorten people's lives.

Knowing that this was not only about his own life, but also about the lives of his companions, Tomioka's attitude immediately changed: "Mana, please!"

He even bowed to Mana very seriously!

When Mana took Giyu Tomioka to the research laboratory, Giyu Tomioka's expression along the way made Mana feel that he was planning to die heroically at any time.

This expression frightened even Genya Fusugawa, who was preparing research materials for Mana. He looked horrified: "Who did you bring back again! This is Water Pillar! Water Pillar, do you understand? This cannot be sliced ​​and studied, really. You can’t!”

Big Demon King, have you upgraded to the point where you even send water columns to the experimental bench?

Mana: "...You're overthinking it. Okay, finish cleaning and go do your training. Do you understand that your progress is extremely slow? Do you still want to have a good relationship with Mr. Fusukawa?"

The mention of Saneya Immortal Kawa immediately gave Genmi Immortal Kawa motivation. He agreed and immediately ran to continue cleaning.

Tomioka Giyuu still has some impressions of Fusukawa Genya: "Is he the kid who was seriously injured in the final selection?"

Zhenna said: "Xuan Mi is staying here to help me now, and I will guide him in his practice. Teacher Yaoya also said that he doesn't have to rush to complete the task."

In fact, Genya Immortal Kawa just works as a handyman in Butterfly House, accepting all kinds of pressure from Mana, and also becomes her research material.

...Unfortunately, as the elder brother, Immortal Kawa Saneya is very satisfied with this.

Working in the butterfly house is safer than killing ghosts, right?

Whether Immortal Kawagenya thinks so or not, at least Immortal Mikawa Saneya himself thinks so.

What a safe place the Butterfly House is!

At this time, Tomioka Giyuu was preoccupied with questions about markings, and he stopped after asking about Immortal Kawagenya.

For Tomioka Giyu himself, turning on the markings can greatly enhance his combat effectiveness, both in terms of speed and reaction ability.

But this power comes at a price.

Even if Tomioka Yoshiyuki didn't feel anything special, after recording the basic data of his body, even people who didn't understand medical skills could tell that something was wrong.

"Both body temperature and heartbeat are far above normal values. The beating of the heart should be due to blood. The basic principle of breathing method is to stimulate the body by taking in a large amount of oxygen within a certain period of time, so as to achieve strength far beyond that of ordinary people. Turning on stripes goes a step further in this regard, but for humans, there are limits to what the body can do.”

Mana took back the chakra detected in Tomioka Yoshiyuki's body and said: "Generally speaking, the human body has a protective mechanism for itself, that is, we will only use the 'appropriate' strength to do one thing, and the ability we usually show will also They are all within the body's tolerance range, but when encountering special circumstances, even ordinary people who have not learned breathing techniques can burst out with far more than usual power in a short period of time. This is a manifestation of the limitations being broken, and This kind of strength obtained by breaking restrictions is also accompanied by damage to the body. The same is true for breathing methods. Most of the time, breathing methods are exercised step by step. Therefore, normal use of breathing methods will not cause serious burden on the body. The markings are different.”

Zhenna pointed to the previously recorded data and continued: "Ultra-high body temperature and a heartbeat rate of more than [-] beats put a huge burden on the body. If the battle is maintained in this state, it will inevitably... It causes the accumulation of injuries. When the accumulated injuries exceed the limit that a person can recover naturally, so-called hidden injuries will form. The continued accumulation of such injuries may be the reason why the striped people have a short life span."

"In addition, judging from the results of the chakra detection, your body's metabolism is much faster than normal, and the activity of your cells is far higher than usual. This reminds me of some forbidden techniques in medical ninjutsu. These Techniques can quickly recover injuries by accelerating cell division. Even internal organs that are destroyed can be rebuilt in this way. The price is very similar to that of stripes. This type of medical ninjutsu will lose life every time it is used, because humans The number of cell divisions is limited."

"So my current guess is that the so-called stripes are a way to overdraw future life at the expense of breaking through the body's limitations in exchange for a short-term ability improvement."

Mana looked at Tomioka Giyu: "The so-called 25-year-old life limit does not mean that decades of life have been lost in vain, but that these decades have been overdrawn in advance and consumed quickly."

As he spoke, Zhenna pulled out a table from the nearby file: "The data recorded during the physical examination before everyone's special training was originally intended to be used for comparison with the physical data after the special training, but Now...Mr. Tomioka, even if you don't turn on the markings, the activity of your cells is still higher than at that time. Do you understand what this means?"

"This means that from the moment you turn on the stripes, your life is consumed at an accelerated rate. Even if you are not in the striped state, the consumption is still far higher than that of a normal person."

Therefore, swordsmen who have their markings turned on cannot live past the age of 25, because as long as their markings are turned on, their lives will press the fast forward button.

This is not poisoning or illness, nor is it a curse. They just use up their lives faster than ordinary people.

After Tomioka Giyuu understood what Mana said, his eyes were deep: "In other words, there is no way to treat this, right?"

Mana spread his hands: "If it is an external cause such as disease or curse, we can always find a way, but the self-depletion of life force is an irreversible way. To be honest, my long-term research also includes this. Teacher Yaoya's loss of life force is Faster than normal people, but I haven’t found a way to stop it yet.”

What she can currently do for Ubuya Shiki Yōya is to rely on medical ninjutsu to cure his physical diseases and alleviate his pain. It is quite similar to treating headaches, head and feet, treating the symptoms, but not the root cause.

Tomioka Giyu nodded: "I understand."

Zhenna smiled and said: "It doesn't have to be so heavy. In fact, I have a little bit of ideas recently."

"After the establishment of Konoha Hospital, I have participated in the treatment of many serious injuries. From a comparison of the two sides, it seems that ninjas with chakra have fewer side effects than us."

Mana instructed: "Although I haven't discovered how to use this yet, in normal times, do more chakra refining and store enough chakra. I will teach you some ways to use chakra to activate the body, as well as basic medical endurance." Technique, it should be helpful.”

Even if you can't ignore the damage caused by turning on the markings, at least you can relatively reduce the loss of vitality on weekdays. This is a way to save it.

Tomioka Giyu said: "Mana, thank you very much."

It seems that he owes Mana more and more favors.

Tomioka Giyuu thought that if there was anything he could do in the future, he would try his best to help.

However, Mana is so strong that she can solve many things by herself. Even if Tomioka Giyu wants to help, he can't think of a good time.

"No matter what, Mana, if there is anything I can help with in the future, just tell me."

He will definitely try his best to complete it.

"Why do we need the future?" Zhenna said immediately: "I have something to trouble you now!"

Tomioka Giyu was very happy: "Please tell me!"

Zhenna said: "I reincarnated into the Black Death Mo from the dirty soil, but the Black Death Mo that was reincarnated is what it looked like in the human period. You should have discovered this."

Tomioka Giyu nodded.

Mana continued: "The material used for my reincarnation was separated from his flesh and blood when he was still a ghost, so I thought, can I do the same for other people?"

It is of course better to dig someone else’s grave than to dig one’s own family’s grave!

What's more, the innocent Twelve Ghost Moons are there, even the step of digging the grave is omitted.

"But except for Black Death Mou, the others should not have been members of the Demon Slayer Team before, and it is unlikely that they have strong strength. I would rather research a method that can retain their blood ghost skills, so I need more Lots of research material.”

Mana smiled: "So, Mr. Tomioka, let's go get some parts from Twelve Ghost Moon and bring them back. They don't have knives. They can also disassemble some arms and legs."

Tomioka Giyu looked at Mana with a cute smile and couldn't help but sigh in his heart, Mana is really a good girl.

Obviously she wanted to repay her favor, but the conditions she proposed were still for the sake of everyone in the Demon Slayer Corps.

What a kind and gentle girl she is!

So Tomioka Yoshiyuki nodded decisively: "No problem, I will definitely help you!"

Mana was thinking that if this was done, Twelve Demons would be able to bomb Muzan's hometown in the future. They were also familiar with the terrain, how convenient it would be.

Mana originally thought that this matter would be over here, but she didn't expect that Tomioka Giyuu would behave awkwardly in the next few days.

He doesn't like to be around people anymore.

Although Tomioka Giyuu was not originally a person who liked to join in the fun, it was abnormal for him to become particularly withdrawn. The Butterfly Ninja expressed concern to Mana during their chat.

"...And not only is Mr. Tomioka's condition worrying, Mr. Fusigawa also always feels that Mr. Tomioka is looking down on others, so he is particularly angry."

Mana felt that this matter should be dealt with.

She could roughly guess what Tomioka Giyuu was thinking, it was just that after knowing the side effects of zebra, he was worried that everyone would turn on zebra because of his influence.

Mana then went to talk to Tomioka Giyu.

It is good to care about your companions, but you must also consider the actual situation.

"Now everyone has opinions on this. Although Mr. Tomioka also has good intentions, Mr. Tomioka can't defeat Muhan by opening the pattern alone, right? This matter must be done by everyone working together. Besides, since Mr. Tomioka can turn on the markings on his own, and of course others can turn on their own. If you ruin the relationship with everyone out of worry, and then feel alienated when it comes time to cooperate, wouldn't that be bad?"

Tomioka Giyu thought for a while: "Mana, you are right."

Then Tomioka Giyu began to think about how to repair the relationship with everyone.

It is said that Immortal Kawa Saneya hates him very much now.

So how can we improve our relationships with others?

Tomioka Giyu thought for a while and came to a conclusion.

In the past two days, Tsukuni Iwakatsu has been very enthusiastic about giving advice (beating) to him. It must be because the gift-giving strategy last time worked, so why not give gifts to Mr. Fusukawa as well?

You can ask Mana about what Fusugawa-san likes.

The entire Demon Slayer Squad knows that Mana and Mr. Fusugawa have a great relationship!

The next day, Tomioka Giyu came to Butterfly House again. He originally wanted to tell Mana that he had corrected his attitude and wanted to get along well with everyone, but instead he saw the immortal Kawa Saneya who had been thinking about him all night.

At this time, Immortal Kawa Saneya was talking to Xuanya with a bad expression: "How many times have I told you, guys like you are not my younger brother. People without talent should get out of the Demon Slayer Corps as soon as possible. Continue to be shameless. Staying here is just more jokes!"

Immortal Kawakawa Genya held on and said: "But Mana let me stay!"

"Ha, Uchiha Mana," Immortal Kawaminami said: "In terms of strength, she is indeed the strongest member of the Demon Slayer Squad currently, but how much progress have you made by following her?"

"Even the strongest person can't change you. This just shows that you are a complete waste!"

"Since you are a waste, just go home honestly, get a wife, have children, and live your life as an ordinary person. Killing ghosts is not something you are qualified to do. You waste, just stop causing trouble to others, okay? "

Immortal Kawa Xuanya was unwilling to give up: "But I, I..."

"Mr. Fusukawa!" Tomioka Giyu suddenly said: "You are going too far."

He walked over and stood in front of Xuanya Fusugawa: "You can't reprimand him like this."

Seeing Tomioka Giyu, Immortal Sakawa Saneya's anger finally had a channel to vent: "Why, is the aloof genius now starting to teach me a lesson? Then we have to see if you have the ability - what are you doing!"

Tomioka Giyuu pulled Imugawa Genya and said: "This child is Mana's. Mana cherishes him very much, so you can't bully him, but I won't fight with you. I'm here to make friends with you."

Hearing the word 'make friends', Immortal Sakawa Shiya suddenly had a bad premonition.

Sure enough, Tomioka Giyuu took out a very carefully packaged snack: "This is your favorite red bean hagi cake, please accept it!"

After thinking for a while, he added: "The red bean hagi cake is not a food with a strong smell. You don't have to eat it secretly by yourself in the future. I will give it to you next time!"

Immortal Kawa Saneya: "I don't want you to bring anything!"

Tomioka Giyuu looked confused as he held the red bean hagi cake.

Ji Guoyuan, who was passing by, felt that he should help a group of juniors, so he praised: "People who like sweets are very cute."

For example, the same goes for Mana.

Giyuu Tomioka instantly received Enichi Tsukuni's prompt, and immediately said sincerely to Saneya Immortal: "Yes, this is really a very cute hobby!"

Immortal Kawa Saneya: "Get out of here!"

After saying this, he didn't even have time to ridicule Immortal Kawagenya anymore, and left with heavy steps.

Three seconds later, Tomioka Yoshiyuki realized something was wrong.

"Wait a minute, Mr. Fusugawa, you didn't bring the red bean hagi cake! ...Don't you like beans? Then I brought the bean paste that time, right? Or a mixture of bean paste and bean paste, what's the ratio? Do you have a preference? "

Immortal Mikawa Miya held Tomioka Giyu down and said grimly: "Too much nonsense, let's fight with me first!"

Tomioka Giyu's eyes lit up.

According to Mana, this is a signal to release friendly communication!

He was a little moved.

Mr. Fusukawa is really a good person.

And she does seem to like the red bean hagi mochi.

Then give him more next time, right?

We will definitely become good friends!