(What am I ?)

It was a November night when I felt something calling me out. Saying "Rebecca,Rebecca, I know what you are." the voice was fading into the darkness.
She was there a woman so fare, full of beauty we both share, lips so white like chalk and yet so thin, her eyes so blue like the sea.
Me:"Who are you? And how do you know my name?" So said with a soft voice"I am truly sorry for what I have done. I have made you this way. And for that" before she could finish she vanish into the cold winter night.....