the banshee Gilbert sister (Elena Gilbert twin)

Lydia Gilbert is the older twin sister of Elena Gilbert.
she was also in the car with her parents and Elena the night of the accident. what will happen when the Salvatore brothers come to town? will she fall for Stefan her sisters boyfriend and best friend or will she fall for Damon her other best friend? how will she react when she finds out her and Elena are adopted? when she finds out she is a supernatural creature herself?