You and Itachi had been so close even as kids, the both of you entered the Konoha Academy together and was a signed in the same class, a few years passed the both of you grew up with each other by your sides, you were also Itachi's childhood sweetheart.

One day Mikoto invited the Uchiha clan to their house to celebrate new year, as all Uchiha went inside and started greeting eachother, it was still early so Sasuke left to go to the academy.

No one knows that Itachi was deciding to kill his clan to prevent a potential war and protect his brother, Sasuke, while also fulfilling a secret mission for the village, He was manipulated by Danzo, who made him believe violence was the only way to ensure peace, Itachi chose to sacrifice his clan to save the village and Sasuke from a conflict he believed would have been devastating.

Before that, Itachi placed you under a powerful genjutsu called Tsukuyomi during the Uchiha Clan Massacre making her live out a full, happy life within the illusion before he starts his plan, Itachi wore a mask and began killing every Uchiha one by one with his samurai, he killed everyone, his parents, relatives, he killed all, he went around and started looking around to make sure no one lives, Itachi then went back to you and raised his samurai, ready to also kill you, the only girl he loved.