Sasuke's Twin, Sakura's Secret Admirer

Sasuke has a twin sister who is in love with Sakura. Her name is Shadow, she's a rather shy girl, but she is extremely powerful. She is capable of being an ANBU but won't. She is known in the bingo books by the name Mirror Wheel of Death. She has multiple personalities her main one being shy, she has a battle side and a psychotic side. What happens when the Akatsuki want Shadow?

;-; obvious disclaimer I don't own Naruto, I wish I did but I don't. ;-;