Dawn of The Werewolfs Niece

Mia is a powerful witch who when angered you need to keep away or your dead. She can talk to animals and is a kind of werewolf where she can shift whenever she wants. She goes to Hogwarts and is a proud Gryffindor.
She is friends with the Golden Trio of Harry Potter, Ron Weasley and Hermione Granger. Also with Ivory, Jacob, Gia and Dan. Together this crew is unbeatable and you don't want to mess with them.
When Mia is critically injured the crew is broken. But after an impossible recovery she reveils what every student has wanted to know. Who she really is.
She is Mia Lupin.
Remus Lupins neice.

When things begin to go wrong after the first full moon of her third year she finds that the only person she can trust is the person whos been her enemy since year 1.
Draco Malfoy.