The Flowers of Hogwarts: The Prequel

It's Lily Evans sixth year at Hogwarts school of witchcraft and wizardry, with the loss of her best friend and a couple of weird new feelings for a particular toe-rag and it also being her sister's last year, how are the Evans sisters going to cope with the war going on that's way too close to home. The unanswered question of if Petunia was also a witch and what would change. AU