I'm NOT Katherine. (Vampire Diaries)

What if Elena had a twin sister Karin who acted similar to Katherine but is a vampire hunter? What happens when they meet the Salvatore brothers for the first time and fall in love without knowing about Katherine and vampires? What if Damon only wanted Karin because she's exactly like Katherin? Will they fall in love...

Sister Dearest (Vampire Diaries)

'"Okay..." I trailed off awkwardly, shoving my hands in my pockets. He groaned in frustration and I shot him a look. "What are you uhhh-ing about?" I demanded. His eyes landed on me, studying for only second before he crashed his lips to mine. At first I was shocked and tried to push him away. But then I melted and I...