When Harry learns he is a wizard he also learns of his twin. Lyra. So what happens when she arrives at Hogwarts, only to be sorted into Slytherin house? How does she know Blaise and Malfoy? And what else could possibly go wrong?

Having grown up in a big Chondathan city, and having grown up in scorn for her heritage and difference, Althaea Witchcrown has little use for humans. More often than not they are her livelihood. Burglarizing noblemen and pickpocketing market-goers was at one time, all in a days work for her. And this is that story. As well as the story of what changed. Rated M for later violence