The Twins *Naruto fanfic*

One rainy day a woman gave birth to two girls, one with silver white hair and the other with raven black hair. The mother to the girls died and the father was killed for a reason Unknown. The girls were sent to an orphanage, a few days later, the third Hokage of the Leaf village adopted the girl with the silver hair. A few years passed and no one adopted the black haired girl, until a pair of friends came to adopt her. The woman goes by the name of Konan, with purple hair and orange eyes, and the man with a ton of piercings and orange hair who calls himself Pein, adopted the girl and took her into an organization called the Akatsuki. The two lived separately for a while until they met. What will happen when they see each other? Will they remember or be rivals?