Back in School?

...

[Ero world selection detected...]

[Select Starting Training Partner...]

[Hyuga Hinata]

[Haruno Sakura]

[Yamanaka Ino]

...

The screen hovered in front of me as I waited. There was no reason really to decide as I know who I'm gonna choose. The reason I waited a little bit was because of the choice that was presented to me. 

'Select training partner? Does this mean what I think it means?' The thought popped up and no matter how much I wanted it to be true the only way for me to know if it was true was to click on the first option.

Hyuga Hinata. Maybe it was a boring choice. But if there is any possibility that I get to fuck the busty Hyuga princess, I'm taking it. The screen vanished in front of me and the plethora of choices finally ended. The character window that appeared in front of me shared a resemblance with many novels and fanfiction that I have read in the LITRPG genre.

...

'Fuck, I got scammed...' I thought, a little angry that my name was automatically translated into Japanese. The novelty of the meme name quickly vanished though as I read through the uncommon stats and tried to figure out what they meant.

...

[Character Creation Done]

[Name: Akio Uchiha] {Bob in Native Language}

[Age: 18]

[Level: 7 (0/400)]

[Chakra Points: 1600]

[PHY: 26]

[REF: 8]

[VIS: 9+{0}]

[AGI: 24]

[COR: 6+{0}]

[Chakra: 15+{1}]

[Chakra Control: 10%]

...

[Transmigiration target selected]

[Transmigiration process starting in 3...2...1]

...

I didn't get to choose the countdown to my transmigration suddenly happened. I did my best to not jerk around in surprise as suddenly I found myself sitting in a classroom. The change was too sudden as the dark surroundings were, in the blink of an eye, replaced with a modest-looking classroom. 

I tried not to make a scene but as I turned to look around I noticed that someone had already noticed my little spasm. Her white eyes might have looked positively angelic in the anime setting, but the pupilless eyes did startle me a little. It didn't take much effort for me to realize that I was sitting next to 'The Waifu'.

After the mini heart attack, I turned back to look at the front of the class and focused on the man with the scarred face who was speaking to the rest of the class. The name 'Iruka Umino' popped up above him along with his level.

[Iruka Umino Lv 36]

'So chunin is 36, so the level cap must be 100.' I thought as I focused on what Iruka was saying. Information, I quickly realized was quite important as I didn't have any memories of the 'Akio' that had inhabited the body previously.

"...most of you are 18 years old and the rest of you would be 18 in a month's time. Now I know you guys are quite excited about learning about chakra, but remember fundamentals are everything. Before I begin the lecture on Chakra control and finally accessing your chakra, let us review what we have learned about Chakra before today-" Iruka's lecture was interrupted by a collective groan that filled the class.

"-CHAKRA is the lifeblood of a shinobi." Iruka began, he started the sentence loudly to suppress any discontent one might have for the lecture. "Yin and Yang, the Spiritual and Physical energies generated by our bodies when combined together form chakra that we can use to form jutsu or even argument our bodies to achieve superhuman feats."

Iruka walked back to the board and drew two circles on the board, he wrote the kanji for 'Shinobi' in one and the kanji for 'Kunoichi' in the other. I sighed in relief as even though I had never tried to decipher any Japanese manga before, my brain automatically supplied the translation to both of the kanji written on the board.

Another interesting fact that I realized after reading the words was that Iruka was speaking in Japanese and somehow I was able to perfectly understand him.

'Some kind of mind fuckery is going on here, I think I'm thinking in English, or maybe not?' I thought, the need to experiment was pushed aside for now as I focused on Iruka's explanation, even though I knew the chakra was from the anime, it could be important.

"A Kunoichi has an abundance of Yin energy reserves while a Shinobi has an abundance of Yang energy. Excessive buildup of any of these energies would be harmful as your chakra network would be damaged by volatile elements. In extreme cases, your core would be damaged leading to loss in chakra reserves and other crippling injuries." Iruka spoke, and the class descended into hushed silence. 

There was an innate fear that went through almost everyone present and after Iruka glared at everyone making sure that his point went across he continued, "While it is easy for Shinobi to get rid of excess Yang chakra-" Iruka paused as several of my classmates snickered at that statement, at the same time a realization was beginning to set in me as I quickly connected the clues present.

"-Kunoichi have trouble neutralizing their deposits of excess Yin chakra." Iruka finished his statement. "As all of your chakra core has stabilized after your 18th birthday, and for the next year, as everyone would focus on chakra control exercises, the need to neutralize these excess buildups and the risk of ignoring this problem increases dramatically. So for safety's sake, every Kunoichi in training would be assigned one Shinobi in training."

'Fucking hell... is this what the system meant by Ero world?' I thought, the change in the situation and the morality that I had grown up in was so different from the situation here, that even though I realized what Iruka meant I kind of wanted him to finish his statement.

"As there are 5 Kunoichi in our class, each of them had been assigned a separate desk with their partner for the duration of the year. If there are no disputes among your partners, in the future, you will stay together in a team." Iruka spoke, and finally, I tuned him out and turned to look at Hinata.

"I'll be in your care, Akio-san..." The princess whispered as she bowed slightly.

I simply nodded, too tongue-tied to respond to her as my eyes drifted toward her cleavage for a brief moment.

'Yup, this is paradise...'

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AN - I'm guessing most of you got the premise that I want to set from this one chapter, how the Ero world actually functions and what makes it Ero to us but not so much to the inhabitants of the world!