You are Sasuke's younger sister. Sasuke and Itachi care and care for you deeply. When Itachi died You were alone with Sasuke. When you know this news You began to have tears streaming down your cheeks. When you found out that Sasuke killed Itachi. You don't know why he is Itachi. But Sasuke is still with you. He left you alone a lot when he went on missions with Group 7 with Naruto and Sakura.