There was before you, and it was dark.

Fiona Margaret Swan is Bella's twin sister. When Renee and Charlie got divorced she stayed behind with her father and lived a happy life in Forks. She had friends and was well liked by everyone. Top of her class and a creative girl. Her life couldn't seem more mundane until her whole world gets tested by the appearance of Jasper Whitlock Hale.
First published in Ao3