Human or Vampire? Kira Swan must now choose her future but both will lead her to death but even if she lives through the transformation, she will have one more worry on her mind, Aro has given her one more choice to make, if she chooses to become a vampire and lives, she must join the Volturi and marry him. Kira thinks that this is her only problem but when a vengeful vampire targets her sister she will have to be strong or lose her sister forever. A choice must be made but will she make the right one.

Kira has met the person who saved her all those years ago but has never really had a real conversation with the vampire. She feels safe in her dreams, but when the Cullen's leave her with a broken hearted sister, it is the only place that seems to keep her from going crazy, or is it? There is also something that seems to be growing at the back of Kira's mind, something dark, that threatens her very life and could change her in ways that no one had expected. Join Kira as her life unravels, once again. can she finally find the answer to her questions of 'what am i'?

8 years ago, Kira swan was diagnosed with a very rare disease, no one could figure what it was, so they named it the X-syndrome, what makes it so rare? Kira is the only who has had it. Kira lives as a normal girl in Forks, Washington with her dad Charlie, well almost normal but when her twin sister Bella moves from Florida, she attracts the attention of a certain family. while her sister falls for one of them, Kira's sickness starts to leave her with questions that only a certain vampire can answer. which vampire? read to find out in book one of the Immunity series