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But after agreeing to my request, she also told me that the process will be long and will need constant circulation of chakra in a proper methodical manner. So it will take me a while to gain my personal milk makers.
But that is a story of another time.
…
The legend behind the legendary size 106
"Shut up your flat chest !"
"Why should I consider you as a woman ? You are flat as a chop board !"
"Don't worry Tsunade chan ! Don't listen to what others say. In reality, you are very lucky, you know. Large breasts might attract unnecessary attention from men, but it also brings problems like shoulder ache, back pain and many more others. You are quite lucky that despite being senju-uzumaki, you don't have to worry about large breasts and unnecessary problems related to them."
In all her childhood life, Tsunade has been mocked by the people around her because of her flat chest. Especially her teammate Jiraya, who at the beginning of their genin days, even refused to consider her as a female because of her chest. Tsunade too, started to feel insecure in her heart because of this reason. All of the girls in her age group had at least A cup breasts. In fact some of her younger clan members from the branch family, who were studying in the academy, had c cup breasts. But Tsunade on the other hand was completely flat. Her grandmother might have tried to encourage and console her, but for Tsunade, it was like mocking.
That was the reason, why at the age of 12, Tsunade decided to increase the size of her breasts. But since there was no known ninjutsu which could give her such results, she decided to develop it on her own. Tobirama Senju might have been considered as the greatest inventor of ninjutsu in history but in reality that title belonged to Tsunade. The girl who had created an S-ranked technique at the mere age of thirteen.
The technique using which Tsunade has gained the largest breast in the shinobi world. But all her research didn't only create a technique to increase breast size. Those research also helped her create the hundred strength seal and many other medical techniques.
Unfortunately after achieving her goal of big bazoongas, Tsunade stopped researching further on the matter. Otherwise she could have easily surpassed her grandfather Hashirama Senju and would have become the strongest shinobi in the world.
The basic principle behind the jutsu to increase the size of the breasts was to control the accumulation of fat tissue in the intended area. But controlling a process which was supposed to be natural and out of control was definitely not easy. And in order to do that obviously someone has to use the Miracle of the world, chakra. From her research, Tsunade figured out that different types of chakra had different types of effect on the body. For example, yang chakra can strengthen muscles, bones and neural cells. She, as a member of the Senju clan, had more yang chakra than yin. That was the reason why concentrating her chakra in her attack was giving her devastating effects.
But then she decided to try separating both yin and yang chakra completely. Theoretically it was an impossible task considering that chakra cannot be considered as chakra with only a single element.
But after a lot of effort she managed to bring the ratio of yin and yang to 1 to 99. It was a miracle. Since no one before Tsunade had ever managed to achieve such a ratio between yin and yang. Even some of the persons with pure yin or pure yang chakra affinity couldn't achieve it before.
After achieving this Tsunade found out that using yang dominant chakra it was possible to control someone's bodily function.
And after some trial and error, she finally managed to find out about the steps to increase the size of her breasts.
But yang dominant chakra had other functions as well. Like her super strength. Simply releasing chakra at a precise moment of strike was not enough. It was a simple technique but the trick was the percentage of yang chakra being released at the precise moment. That's why despite being a simple technique, a lot of shinobi with similar level of chakra control talent as Tsunade had failed to copy the technique. Similarly the hundred strength seal, which was considered as an S ranked technique, was nothing but the accumulation of 99 percent yang chakra and 1 percent yin chakra.
Later Tsunade figured out that in order to control bodily function, the ratio of yin and yang must be 25 to 75.
While on the other hand for chakra enhanced strength and its explosive effects the ratio must be at least 5 to 95. That's why even though Shizune had managed to learn the breast expansion jutsu, she had failed to learn the explosive strength technique.
The theory of imbalance of chakra and it's practical application which was developed by Tsunade was only explored towards the yang dominant field. Due to the lack of motivation and pressure of the war, Tsunade didn't explore the other side of the technique during her younger days. That's how the hidden leaf village destroyed the possibility of gaining a shinobi even greater than their first hokage with their own hands.
This was the legend behind the legendary size 106.
…
"Now I have explained everything about the technique you wanted to learn. Shizune will supervise your training of chakra balancing. After that I will teach you how to increase the percentage of yang chakra and trip the balance. Do you understand ?" Tsunade asked her new disciple.
"I understand, Tsunade sama." Sakura nodded.
…
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