As The World Falls Down

When Krystal is 12 she comes in contact with a dangerous creature. He was beautiful, yet completely out of the ordinary. He had the appearance of a human and the instincts of an animal. His name was Niall Horan.
One night with him and he disappears but when he comes back for her, her life takes a drastic turn. She is thrown into a whirlwind of enemies and century old feuds, all the while meeting death at every corner.