Katrina, Harry, and the Philosopher's Stone

Her name is Katrina. No last name, just Katrina or Kat. With no memory of her past before the age of 5, Kat lives a miserable existence in the orphanage where she was abandoned. That is, until her 11th birthday when she receives her acceptance letter to Hogwarts. Follow alongside Katrina as she discovers clues to her mysterious past & befriends the boy with the lightning bolt scar