Elena's Cousin( The Vampire Diaries/Twilight...
Trixie, Elena's cousin, is a adopted child of Carlisle Cullen and Esme Cullen but officially she's adopted by Billy Black, moves to Mystic Falls for her final year of high school. Of course, she meets the Salvatore brothers and gets close to one of the brothers. Caroline tries to compel Trixie but, it, unfortunately, doesn't work on her. So, Elena and her group of friends plot a plan to figure out whether she's a supernatural being. Some truths about her unfolds during the execution of that plan.
Jacob comes to Mystic Falls. And after that there comes crackers flying here and there along with The Originals and Voultri spicing her life even more and one more huge secret of Trixie gets disclosed which isn't that bad. :) Of course, there's love and some drama