(Voidne's POV)
Under the guidance of the Yin Kyuubi, I learned how to speak Japanese efficiently in 2 months. Currently I am around 2 months old. Ino's mother is still abusing me, throwing me in the library once Inoichi leaves the house, but against her expectations, I understood what she was saying clearly. She thought that this child is clueless, but I know how much hatred she has toward my deceased mother. Their story went like this... Ino's mother and my mother were love rivals, they both were in the same team as my dad when they were young. In the end, my mother ended up winning the heart of my dad, and Ino's mother couldn't tolerate my existence, because I was the result of my mother's and dad's love.
I can expose her, but I decided against it, hence she is actually helping me, letting me go freely inside the home's library, which has some of the secret techniques of the clan stored in it.
Ahhh~ I almost forgot! The relationship between me and the Yin Kyuubi has developed a lot! He told me his story, and how he tried his best to make his father proud, but everyone ended up betraying him. I felt sympathy toward him, and now I know why he was so sympathetic toward me. At some point I asked him if he knows about my past, and he said that he only knows what happened to me from the moment I came to this world, because the chakra of another world is untraceable.
I started telling him my story, and how I came to this world. I knew he could feel people's emotion, and with me being sincere, he would surely open up to me more.
Just as our relationship developed, the Yin Kyuubi told me about the difference between himself and the Yang Kyuubi, explaining how the Yang was beneficial for the body, and how the Yin was beneficial for the soul. Reading a lot of fan fictions that value the Yang Kyuubi more than the Yin Kyuubi, I asked him with doubt "Sooooo... Isn't the Yang Kyuubi better then?". The Yin Kyuubi started to laugh and said "Only idiots would think that! I admit the Yang Kyuubi is better in enhancing the physical properties of the body, but not like me, it is way dumber and less cunning. It is like the body, and I am the mind and soul! I can enhance the soul, and can learn jutsu. This is the reason I am way better than the Yang Kyuubi!". I was amazed! The Yin Kyuubi can learn jutsu! Imagine a tailed beast being able to learn jutsu efficiently, and at the same time teach me that jutsu! I need to verify! "Can you teach me the jutsu that you learned then?" The Yin Kyuubi nodded to me with a big grin, he actually looked happy for the first time!
I was advised by the Yin Kyuubi to show some of my capabilities to become the genius of the clan, therefore enjoying more of the clan resources, and getting protected by them. At one day, it happened that Ino's mother forgot to take me back to mine's and Ino's room before Inoichi came back home. When Inoichi asked her about me, she was sweating bullets. I needed her to keep throwing me to the library, so it wasn't the time for her to be exposed yet! I used the chance and started walking in the hallway. Inoichi who noticed me got really excited, and started celebrating by throwing me in the air, and then catching me as I fell from the air! I felt dizzy, but faked a really cute smile on my face. Ino's mother's face brightened and darkened at the same time, it was brightened that her cruelty toward me didn't get exposed, but darkened because she knew that walking at 2 months is one of the signs of being a genius. Hell; there was even rumors that the First Hokage took about 3 months to start walking. Ino's mother was fearing that I will outshine her own daughter, lowering her daughter's future status in the clan.
In the next three months, I started making sounds and Inoichi started coming to the house earlier to teach me how to speak. Inoichi, despite not being my real father, he cared about me as if I was his real son. Ino's mother will always throw Ino in between me and Inoichi under the excuse "You should teach her how to read and write too!"
After those three months passed, I started communicating efficiently with the people around me. My speech skills are like those of an old fox who lived for at least 40 years. Inoichi started bragging about me around the whole clan, he even started bragging in the Ino–Shika–Chō alliance, saying that I am the most promising youth. At first, no one believed him, but paying visits to our house, both Shikaku, and Choza got frozen in place. A 5 months old able to read and write actively, and can also walk and run! They were very depressed, they even thought of starting to teach their children so they don't lag too far behind. I gave the Yin Kyuubi a name, which is Hika in Kanji is written 緋 Hi, as in the word 緋色 scarlet, and 珂 Ka, usually used to describe jewels.
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The more I started to reveal my genius nature, the more Ino's mother would torture me, but make sure not to hurt me badly that it would show. She even started threatening me at some point, but what is funny is that she was doing exactly what I wanted! Hika and I started testing my body to learn the reasons why I am feeling a burning sensation after being hit or hurt by someone. We found out that every time I receive any damage from an enemy, my power increases a certain amount related to the strength of the thing that hit me. For example, if Madara threw a Genin powered jab on me, I would only receive a portion of the power of the jab as a boost, not a portion of the power of Madara himself. Also, if the damage I am receiving is insignificant, or is way weaker than my current power, then I will gain nothing. We also found out that if I got a powerful boost, there are chances of me dying from my internal organs burning from receiving so much vitality!
The plan was to use Ino's mother as a catalyst which will help me increase my power daily without her knowing, and once she becomes useless, I will rat her out!
At 8 months old, I started hanging out with members of the clan, asking them to teach me ninjutsu that all genins should know, such as clone jutsu, and substitution technique. Despite having learned them in theory from Hika, I still needed to learn them practically. Inoichi noticed my passion for learning, and assigned a chunin tutor to teach me. As the genius of the clan, I enjoyed the special treatment, and everyone gave me their attention. It didn't take long for me to perfect my clone jutsu practically, just around 5 days to master it completely. I've also been given tips by Hika who was monitoring my improvements, he also started teaching me how to use shadow clone jutsu, which was an improved version of clone jutsu. Learning shadow clone jutsu wasn't that hard, it took me less than 4 hours to learn it, but mastering it was something else...
For the next 20 days, I kept on trying to master the shadow clone jutsu, to the point of minimizing the wasted chakra to almost 0, while being able to keep the jutsu active even when I am asleep.
My tutor didn't know that I was using shadow clone jutsu instead of clone jutsu, until Inoichi passed by and caught me training on using shadow clone jutsu. When he asked me about it, I said that it was a logical improvement so I did it myself. Inoichi almost exploded from happiness and pride, and started bragging everywhere. In the family compound, in the Alliance's meetings, in the Hokage's office... Everywhere! Even talking about it while sleeping.
Ino's mother started annoying me, but less physical, so it was time to get her exposed. I used the admiration every clansman had toward me as my weapon, and caged myself in the clan's library. Looking over the books of the clan, learning and discussing ways to improve the clan's signature techniques with Hika. Then my tutor came to ask me about it, so I told him with a hopeful smile "Our clan was always there to support people, but we can't survive on our own. Most of the techniques used by our clan are not suitable in direct confrontation, so I am hoping to find a way to improve our clan's techniques, so my fellow clansmen don't become easy targets". He started supporting me, and I am pretty sure everyone else will support me after hearing my justification; but I made sure to turn my hopeful wishful face into a sad face just as he left the room, I even started shedding some crocodile tears, and thankfully, as expected, my tutor was assigned to spy on me, so he didn't let go of my change in emotions.
I knew he was waiting by the door for me to come out, and then he might knock me out. I kept on ignoring his presence, until I finished with the library, and started leaving it, intending to let him knock me out, just so he could find out about Ino's bitch of a mother.
It went as intended, and because of the Hika inside of me, I could restrict parts of my memories so no one can see it. The Yin Kyuubi is really better than the Yang Kyuubi when it comes to a fight of wits!
Not far after my tutor found out, I was called to talk about it, but I refused to talk, in which forced Inoichi to memory search me too, just to find that the tutor wasn't lying. Inoichi was livid at his wife; the moment he returned home, he slapped her in the face. A huge argument occurred at that day, and he ended up kicking her from the house because of all the torture she forced upon me from young. I, as the young genius of the Yamanaka, has the loyalty of almost every Yamanaka clansman, and am now one of the most important figures in the family.
At the age of 11 months old I revealed that I've mastered Mind Body Switch Technique, which impressed everyone in the clan even more. The clan was cheerful... all of the clan but Ino's mother. I got a lot of ninjutsu manuals as gifts, since everyone knew that I liked those more than toys. I accepted all of the gifts, giving proper thanks to everyone, and being respectful to everyone. Currently, I am wearing the hearts of the Yamanaka clansmen as a ring between my fingers!