Neukdae Hoshigaki is the daughter of Kisame Hoshigaki, she know every single one of the Akatsuki member but she doesn't tell to no one.
She is BestFriends with Naruto Uzumaki and she know about the 9-Tail beast fox Kurama..
The first time she Hate Sasuke with her Heart but after the mission against Zabusa e Haku everything change and become friends and Sakura dosen't like a bit of that.. but team 7 dosen't know about her eaving a beast inside of her, but they know about her eaving soulmates