An Imperfect Spectrum

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A bit of a note here to answer a few questions I've gotten in comments.

So like, she is Itachi's age because she went back in time, shit got hecked, and now she's but a smol child. Also, Hana did attend the academy in the same class as Itachi before he graduated. So you'll probably see her at some point. After all, she is known to be a medic nin and Sakura knows a bit about it, so, at some point, Hana may or may not seek her out to ask for a bit of help. Anywho, story:

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Sakura Haruno made a name for herself quickly, known competitor with Itachi Uchiha as top in class. She hid her main abilities from the academy, but every once in a while they were released, hence her ranking in first in taijutsu. She was compared to the likes of Itachi Uchiha, the top student in the academy.

When she had first met Itachi, it had been in the Dango shop. The meeting, though pure coincidence, was shocking at first once she learned the identity of the mysterious boy from the corner. To think that, in less than ten years, he would be a murderer, the reason Sasuke left and the reason the Uchiha were gone. She decided, that was why she was sent to here, to now. She was to change the past.

 When Itachi Uchiha approached her, asking for her help training, her face bore a confused expression, before morphing into a great smile, eyes shining. "Sure!"

The other children began teasing her more after that, teasing her about her every breath, mostly out of jealousy because of her time spent with Itachi. She paid them no mind, their insults nothing compared to the likes of that she has faced. A few times, she had been approached by Izumi Uchiha, who was curious of Itachi's whereabouts during the days he knew they all had off. She had no answer for her, sure the Uchiha prodigy would wish for their training sessions to remain secret.

"That was good, but your stance is still a bit too stiff." Itachi declared, eyeing her kunai as they hit the targets, almost dead center.

She looked at him with confusion, but said nothing as he came over and showed her a more proper form again. This process repeated, Sakura throwing the kunai, Itachi criticizing her technique and helping her adjust her position, then making comments on the results.

"Alright. That's enough with me. We'll take a break then start with improving your taijutsu."

"Hn." Sakura shook her head at the Uchiha, who took to leaning against the nearest tree. She laid down on the grass, blocking the sun with her forearm, resting the other one on the ground. She lazily blinked a few times before looking back at Itachi. He was resting peacefully against the tree, feet barely touching the edge of the shade it cast. 

She watched as the sun hit the sole of his shoe before pulling herself up, muttering. "Alright, let's get to it then!" 

"Itachi!" She called out to him, his eyes opening, at his name. "We got work to do!"

They fought, though Sakura did not attack him, but danced around his motions, tagging him with light taps every time she had an opening. He grew frustrated at her, and she smiled, seeing his attacks become more impulsive, instead of the calculated attacks he was striking with before. Sakura took her chance, striking Itachi with an actual attack across his head. He fell, grasping it in pain as she knelt over him. He took her outstretched hand and she pulled him up without difficulty.

"Teach me how to do that." He demanded, staring at the pink haired kunoichi in training. She smirked at his eagerness, reaching her hand to pat his head.

"Maybe once you can land an attack on me, Itachi." She laughed at his pouting face at her words. "Lets go get some dessert and head back to class before they notice, ne?" His pout morphed into a smile, following her out of the training grounds and into Konoha.