u were Itachi's daughter and the vessel of the ten tails (juubi),Sasuke has been looking for u for years and also naruto,since Sasuke promise itachi before he died to bring back his daughter and Naruto needed to be sure that the ten tails wouldn't cause anyone a problem,u were at the academy (at the time where Boruto,sarada, and mitsuki was still students. U looked exactly like itachi but u always wear a mask,sarada, mitsure,and Boruto was very close to u