You were another woman in Akatsuki, but you have been friends with Sasuke for years, since the Uchiha clan fell, you took care of him most of the time, Sasuke gained more trust in you than in anyone, but you were afraid to break that trust if You tell him that you are part of Akarsuki., in a mission that gave pain to Itachi and you, In the Konoha village, You decided to go with Sasuke, and Itachi did a transformation jutsu so that Sasuke would not recognize him, he is his brother.