Naruto: The Medical Shinobi

"I do not think anything like this has ever been created before," said Dan.

Ryu tells him, "I don't think so."

Dan said, "What do you mean? I have been studying fuinjutsu since I was 15. If there was such a seal, I would at least have heard about it."

Ryu thought of the burning of the Library of Alexandria and the destruction of Nalanda University and replied, "Grandpa, things are always lost during the flow of time and the turbulence of bloody history."

He continued, "The best example of this destruction of Uzushiogakure. Even if you studied under Mito-sama, you may not have learnt everything. Even Mito-sama could not have learnt every seal of the Uzumaki Clan. And now think of all the knowledge that may have been lost with the destruction of the Uzumaki Clan."

Dan thought for a second and replied, "You are right. There may have been a different seal with a similar function in the past. Also, there may be a possibility that there may exist a clan other than the Uzumaki clan that specialised in fuinjutsu and went extinct long ago."

Dan asked Ryu, "Do you want to sell this seal also?It will sell like crazy."

Ryu said, "No. If we do that, the seal would lose its purpose, and people spying on us would know why they are getting nasty hangovers.

Dan replied, "Yes, the victim of the seal will realise that they have been victims of this [Migraine seal]."

Ryu said, "There is one more reason not to sell this particular seal."

Dan asked, "What?"

Ryu replied, "This seal is not like any simple image distortion seal. With some modifications, it can be repurposed to slowly plant suggestions in the minds of its victims over time, without them realising."

Dan was shocked to hear that. There were many techniques that function like this, but most are detected by sensors or are temporary in nature.

Ryu also thought of similar techniques he had knowledge of. He thought, "The Sasori of Red Sand should be a really good Fuinjutsu grandmaster if he created that seal himself."

He also thought of one more person who had similar power of control over the will of others, 'Shisui Uchiha. It was his abilities that got him killed rather than his clan's name. Had he awakened any other power other than Kotoamatsukami, he may very well not have died the way he did in the story. He could have even saved his clan too.'

Dan asked him, "Are you joking?"

Ryu tells him, "No. If given some time, this seal can be modified and repurposed to slowly plant suggestions in the minds of victims rather than planting headaches. And it will not be a simple genjutsu but slow and permanent brainwashing, implanting instructions."

Ryu remembered Bucky Barnes, aka the Winter Soldier, and said, "Entirely separate personalities can also be installed in the victims without them knowing, waiting to be triggered with nothing but a couple of words. One can be forced to kill others and themselves with simple passwords implanted in their heads."

Dan took in what Ryu said and wondered if he was doing right by teaching him Fuinjutsu.

He thought, "If what he said is true, then there is nothing in this world that can stop him if he chooses to create that seal, and as he described, he can do it. He could control the world like that."

Ryu realised his thoughts and said, "You do not have to worry about me. I do not want to rule the world. Besides, even if it were possible to rule the world just like that, someone would already be ruling this world."

He continued, "Furthermore, if someone tried to control someone in that way, they could only manage a meagre number of people at most; the strong would eventually rebel, or others would eventually realise that they were being controlled."

Ryu thought inside, "Yeah, if that was possible, Sasori of Red Sand would be ruling the world already but he can only control 3 or 4 people at best."

Dan asked, "Don't you want to change the world?" If you could control people like that, it would become easy for you to solve many of the world's problems you are trying to solve."

Ryu smiled and said, "Yes, I do want to change the world, but not that way; it does not work anyway, even if it were possible."

Dan asked, "Why would it not work?"

Ryu replied, "Ok, let's assume I modified this seal and did create this [Brainwashing Seal] and used this most dangerous forbidden seal in existence to control people and try to change the world and bring peace to the world. This kind of peace would at best be able to last only for one generation, maybe less."

He continued, "The next generation would again be at each other's throats as soon as the one controlling them passes away, and a new generation without implanted suggestions would take over the older one."

Inside his mind, Ryu thought, "And it wouldn't necessarily work on Rinnegan, Sharingan, or Byakugan users."

Dan asked, "Won't the old generation influence the new one and implant the same ideas and ideals the old-fashioned way through teachings?"

Ryu smiled and said, "If that was the case, then the child of a criminal will always be a criminal, and the child of a saint will always be a saint. But that is not the case, is it?"

Dan replied, 'No, that's certainly not the case.'

Dan sighed and closed his eyes; he thought, "I doubted him for a second."

With a new resolve in his heart, he opened his eyes and thought, "Never again."

He said, "I understand what you are saying. Sorry for doubting you."

Ryu said, "It's fine, Grandpa. Your doubts just proved that you are very responsible with powerful jutsu, and I promise I will be just like you are."

Continuing the discussion about the seal, Dan enquired, "So, will our property be covered by this protective seal now?"

 Ryu said, "Yes, this will protect us from the spies." 

Over the course of the following few hours, Ryu taught Dan how to use this new seal, and Dan's repertoire was expanded.

Dan practiced this for months before he learnt it fully, and this time Ryu focused on his lightning release training and other things taught at the academy and learning or relearning all the books Yuki had given him about the human body.

The basics of herbology were new to Ryu, but he also learnt it without much effort.

During this month, Dan also taught him about slotting seals in scrolls and associating handseals with them so that the seal inside the scroll can be placed using blood and even chakra.

A few days after that, Ryu and Dan had placed this new seal all around his property. They needed to be replaced every few weeks, but it was manageable for Dan as a Grandmaster himself.

When Ryu tried to slot a seal using hand seals, he realised that his impeccable memory served as a slotting mechanism, eliminating the need for hand seals, and the limitations of slotting seals were also not applicable to his method.

Ryu thought, "Does this also work with Ninjutsu? If that is the case, then I may not be needing to use hand seals too much. Let's try and find out." 

After some tries, Ryu learnt [Electric Shock], a straightforward close-range D-rank Lightning Jutsu that releases lightning and uses a few hand seals.

Ryu then confirmed that he could perform ninjutsu without any hand seals, also just as he had guessed. It worked without any hand seals.

Ryu thought, "Ok, I need to keep this a secret. I will fake it and keep forming hand seals. This would be one of my hidden aces.

Just then a bell rang. Dan proceeded to open the door, and Ryu also came from his room to see who and found Yuki. They all greeted each other. They have not seen each other for more than a month.

Dr. Yuki asked, "Ryu, have you read and understood all the books I had given you?" 

Ryu replied, "Yes, I have, and no need to ask me if I remember it."

Yuki said, "I didn't doubt you. I remember that you have a perfect memory. I asked if you have read and understood them."

Yuki presented books and a form for Apprentice Medic and said, "This is the admission form for Apprentice Medic. Fill this out and submit this form in the hospital to Isao this week; also choose your electives you would be studying."

"On second thoughts, I would come and collect it."

She tells him, "You have to attend practical classes as they are mandatory; the rest are optional if you have a sibling in the medical field. Just list me as your guardian in the form, and you won't need to attend all the classes."

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