The Other Petrova (Klaus LOVE Story)

When Elena and Bonnie open the most secret coffin that belonged to Klaus they didn't expect to see another Petrova. The Other Petrova that was never spoken of.... Charlotte Petrova, sister of Katherine Pierce. Charlotte is the exact opposite of Katherine. Charlotte knows the Originals but the originals don't remember...

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...