The heroine is a non-staff member of the original family in The Vampire Diaries, and she ends up in the world of Twilight inexplicably.
Kristen: Klaus, their skin is so tough, I can't bear to take it out!
Klaus: Silly sister, you can stick them in the eye!
Christine: Sure enough, my brother is the best!
Edward: Honey, are you willing?
Kristen: Well, why don't we stick in other people's eyes!
This is a bloody story...