Lizziepotter Stories

What if Harry had a sister? No, not a The girl who lived cliché, this is about Lizzie Potter, or LDshadowLady, as she's known on her sucsessfull youtube channel. What if Lizzie knew about magic before Hagrid told them? That's thanks to her four year old friendship with Sasha Murphy, together they board the Hogwarts express, not knowing if they'll continue to be united or be separated at the sorting? Oh, who am I trying to fool, I wrote it here, of cause they'll be separated, but will they end their frendship or continue through the struggles? (To continue or not to continue, that's the question)