My Heart's Whisper - Klaus & Elena
WROTE THIS A LONG TIME AGO, Warning you, it's kinda horrible.
Klaus and Elena (TVD) Book 1
Klaus Mikaelson is an original vampire looking for a doppelgänger. He needs her for a ritual where she is to be sacrificed so he can be a Hybrid, half werewolf and half vampire on the night of the comet.
After Elena, the doppelgänger's family dies in a mysterious fire, Klaus swoops in and helps her. She ends up having to live with him and his sister for a while but soon she falls in love with him. Soon he falls for her too but is he willing to give up being a Hybrid for her? Or will his past self get in the way? He needs to choose but before he does, his enemies already have chosen for him.