The Gilbert Sister

What if the one and only Elena Gilbert had an adopted sister? What if this Sister takes a liking in the enemy and the enemy returns these feelings? How will Vivien Gilbert the little German Potato change the events of TVD?
Vivien hates People except the ones she loves the most. These people are Caroline Forbes her Bestfriend, Jeremy Gilbert her adopted brother, Bonnie Bennet her Friend and of course her two Cats Potato and Tomato. At the Masquerade ball she and her sister got kidnapped what happens when she meets a man who is the supposed Enemy but is the only one who really understands her? What if his Brother wants to kill her Sister. How will their Relationship go?

Little Sneakpeek: My eyes snap over to the sound of voices and lock with a pair of deep warm brown eyes. They look so old...

English is not my first language so please correct my mistakes.