I Don't Know Where To Go

What is Clary was really Jace's sister? Well, she is and when she found out, she ran away and is left to wander the streets of New York, a very different place than Idris. Does she meet people essential to her life or does she find herself trapped in the world of mundanes? [This is my first FanFiction, so please give me feedback on how I can improve! Please read even a little bit!]