Who am I? or What am I?

This a story about a girl that knows that she is normal but she is not... will she ever find out this secret of hers? Even her friends notice something defferent about her but she does not notice it after a year without friends she became the school outcast because she would always be alone and no one talks to her... But everything changes in an instant thanks to a certain guy at school... will he be the one that answers her problems?