I'll Guard You (A Rise of the Guardians fanfic)

Analee Rose (or just Rose) is a normal 17 year old girl. One day, she dies at the hand of a man that she helped out of pure goodness. She comes back as into the world of the Guardians, but as a spirit who can never be believed in. Her Guard? The one and only Jack Frost. A new threat emerges and ruins everything Jack h...