ou were happened to be Luhan's step sister.
Both of you have been hiding the truth from your parents. The truth that he never likes you since the beginning, he feel embarrassed for having a mute-sister like you. His hatred towards you grew bigger when his mother and your father died in a car accident. Ever since that HE always blames you for everything.
Now you were left with him, with your brother, who hates you very much.