"Actually, I had another request."
Tsunade, who was about to open the door, stopped. In order to help Fujin increase his cellular activity and learn how to control it, she had been with him since 7 in the morning. Even before that, she was making sure the room was still usable. She spent over 16 hours continuously helping Fujin. Yet, instead of letting her leave and rest for the night, Fujin mentioned that he had another request.
Tsunade turned around and asked, "What request?"
Fujin said, "I tried learning the Wild Lion's Mane jutsu some time ago. Unfortunately, I failed at the very first step. I couldn't grow my hair out. The scroll sadly didn't have any information on this, but I analyzed that it doesn't have much to do with how I knead my chakra. Rather, the growth has to be stimulated externally somehow. Do you know how to do it?"
Tsunade replied, "Oh, the Lion's Mane jutsu… Yeah, you analyzed it correctly. Simply using chakra won't allow you to grow your hair, though you could control its movement. Your body naturally limits hair growth through hormonal regulations.
To grow your hair, you need to first gain control of these regulations and then use your chakra to mimic the natural hormonal signals that stimulate hair growth. This process is temporary and your hair will revert back to your original state once the jutsu ends.
Under normal circumstances, this is quite a difficult jutsu to learn. However, it should be quite easy for you now that you have learnt how to control your cellular activity."
A frown appeared on Tsunade's face as she asked, "Actually, even without learning how to control cellular activity, this isn't too difficult for a medical ninja. You should have figured it out yourself. When did you try to learn the jutsu?"
Fujin answered, "Around 5 years ago."
Internally, Fujin thought, 'Actually, I had thought about it while learning from Yoshi and the rest. It's just that I've never seen anyone other than Jiraiya use this technique. I guessed they wouldn't be able to help me with it and didn't bother asking… I would have still asked, but they looked like they would drop dead just by teaching me Medical Ninjutsu!'
Tsunade sighed, "Alright. Though it's easy, hormones can be tricky to mess with too. Let's meet here tomorrow at the same time. I'll teach you how to control them."
Fujin smiled and said, "Thank you once again."
Tsunade yawned and muttered, "Due to the sudden increase in your cellular activity, you won't feel sleepy today. Use this time to accustom yourself to the changes in your body. Don't train until your body calms down and you feel as comfortable with it as you did today morning. You don't want to accidentally overexert yourself due to carelessness."
Fujin nodded at Tsunade and Shizune. Once they were some distance away, Shizune asked, "Lady Tsunade, you just became the Hokage. Is it alright to spend so much time away from the office?"
Tsunade seriously said, "Shizune, always remember this. The duties of the Hokage extend far beyond the office. Some things are far more important than handling official duties."
Shizune was surprised. She thought, 'I know Fujin is very important for the village, but I didn't think Lady Tsunade would give his requests such a high priority. She left all her duties behind to help him!'
Unknown to Shizune, Tsunade scoffed internally, 'He is definitely beyond shameless! I'm afraid even Sensei loses out to him in this regard. That said, I can't say no to 2 days without paperwork. Doing this is far more enjoyable than being stuck with those endless piles of white paper!'
As she walked to the Senju compounds with Shizune, Tsunade decided, 'I should increase Kakashi's cellular activity too. His chakra reserves are quite low for a ninja of his caliber. By comparison, Fujin…'
When she helped increase Fujin's cellular activity, Tsunade got a clear understanding of Fujin's physique and chakra reserves. To say she was surprised was an understatement. The fact she didn't react showed how professional she was as a Medical ninja.
Tsunade thought, 'His chakra reserves were on par with mine when I was his age. After today, it's even higher. His current reserves are almost on par with Jiraiya's. And, he's only 17. He should surpass even me in the next 5 years or so.
If Sensei hadn't said Fujin's reserves were rather ordinary during his earlier years in the academy, I might have suspected him to have a connection with my or the Uzumaki clan… I didn't think it was possible for chakra reserves to grow so much merely from constant training. And, it isn't simply physical or ninjutsu training. He must have meditated for long hours to improve his spiritual strength.'
Yet again, Tsunade was amazed by Fujin's discipline and dedication. She couldn't help but think, 'Maybe we should run a pilot project where young talented ninjas are made to train as hard as Fujin did. However, how can we ensure they stay motivated even after a decade of grueling training?'
Tsunade didn't have an answer to her question. Though there was another example of Might Guy, he wasn't exactly normal either. On the contrary, his training regimen was even more extreme than Fujin's regimen due to Guy focusing on a singular aspect.
While Tsunade pondered over that issue, Fujin returned to his house and entered the meditation room. He sat in a meditative posture and thought, 'A 32% increase… not bad at all. However, the bigger gain today was understanding and gaining control over cellular activity. This will be very helpful once I start using my Myriad Tetragram Seal. I can now monitor and understand the entire process, which will allow me to detect any hidden dangers immediately.'
Fujin was very pleased. His gains were substantial. He closed his eyes and began circulating his chakra.
Fujin spent the entire night getting accustomed to the changes in his body. The next day, Tsunade taught Fujin everything related to growing and controlling his hair as she promised. Needless to say, Shikaku had to cover for her on both days of her absence.
Fujin spent the following day adjusting to his higher cellular activity until he was completely comfortable with it. The following day, Fujin returned to his training ground. He looked around and thought, 'It's been quite a while since I trained here. Ever since the attack on the village, I have been busy running around. Fortunately, the last few days made up for all the training I missed.'
Fujin weaved the snake seal and concentrated chakra on his head, or more specifically, on his hair follicles. His pitch black hair slowly started growing, first making his spikes even longer before growing along his back.
Fujin thought, 'The tough part is finally done. Ironically, it now feels the easiest. That said, I need to practice until my hair can grow at a faster speed. At much current speed, my opponent might fall asleep, not like that'd be a bad thing but still… In addition, I also need to remove the snake seal.
Neither is difficult to do. They just need some time. However, there is no emergency to master this jutsu right now. I can work on it later. For now, I'll simply learn this jutsu.'
Fujin's chakra suddenly flared before it began flowing through his hair. His hair continue growing while becoming harder at the same time. Every strand of his hair became like a steel wire. His hair circled around his body, protecting him from all sides.'
A smile appeared on Fujin's face as he analyzed, 'Not bad, this jutsu is quite strong and very convenient. If my mid-range defensive jutsus fail, I can use this jutsu to protect myself while launching a counter attack at the same time.
It can potentially disrupt follow-up attacks while adding another layer of defense before I have to depend on my clothes and the Iron Skin jutsu. Hehe, I wonder who will make me show all the layers of my defense!'
Fujin already had a four layered defensive tactic for extreme situations. The first layer would be the Earth Wall jutsu or the Rashomon Gates, which could be multi-layered in itself. The second layer was made up by the winds of his Wind Domain.
If both these layers failed and the attack landed on his body, the defensive seals inscribed on his clothes would come into play. And, the Iron Skin jutsu formed the final layer of his defense. Now, he learnt a jutsu that formed another layer between his second and third defensive layers.
Fujin was about to experiment further when he suddenly stopped and turned his head. His eyes locked on Monkey, who was rushing towards him. Fujin's hair gradually retracted, reaching their original shape before Monkey arrived and reported, "Fujin-sama, there's a shocking news from the Hokage's office."
[A/N: Ugh, finally done! Sorry for the delay guys. There was a family event on Sunday, so I didn't get much time to write. On Monday, one of my neighbours sadly passed away. Wasn't particularly close to him (could be considered an acquaintance at best), but had to spend the majority of my day there. Should have completed it yesterday, but was hit with writer's block 😵💫. So, it took far longer than it should have.]
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