What if Harry Potter isn't the only survivor. What if he have a twin, but never get the chance to meet her? Yes... Her, his twin is a girl. A beautiful and intelligent girl... Y/N Potter. But they have be separated since birth. A reason unknown to them. Y/N is raised in Hogwarts by Professor Minerva McGonagall since birth. As she turns 11 years old, she begins entering Hogwarts School for Witchcraft and Wizardy. There... She met her twin Brother. But he didn't know her. But she's always been there to help him. Throughout her years at Hogwarts, she catches the eyes of a certain Slytherin. What would happen to her? Read and find out the story! Disclaimer: I don't own Harry Potter series. It belongs to the rightful owner, J. K. Rowling Warnings: I'm not following the movies nor books. This is my own version... it's kinda boring especially when you know what happened in both. So imma twist it up a bit.