What if Sasuke and Itachi weren't the only Uchihas left? What if they had a sister? What if she went missing? What if she returned to Konoha with some interesting secrets? Uchiha Ai isn't remembered by anyone.She went missing when she was 8 years old.Now it's time for the Chunin Exams ,and she returns to Konoha,with a few secrets. What will happen now? (A Naruto fanfic)