When her best friend was ripped out from her life suddenly, she was torn. Lost. Devoid of any emotion but grief. Their friendship was lost forever, leaving behind bittersweet memories. But she believed that even those memories that she would treasure the most would soon fade into the back of her mind, forgotten and lost in the depths of the brain. It was impossible. For it to happen, was impossible. Utterly impossible. But then, one day, something changed, and the impossible started to look possible again. Harry Potter AU.