Sirius Black and his sister Carina were born into a strict pureblood family. From the beginning, they were different from the rest of them. Only when they go to Hogwarts School of Witchcraft and Wizardry do they find out where they truly belong. This is what might have happened if Sirius Black had a sister COMPLETED STORY All characters and settings except for Carina belong to JK Rowling!!!!!! Cover picture: http://mundopottermaniacoalvopotter.blogspot.com/?m=1