Hurt her. I'll kill you.

Maria Potter, Harry Potter's sister, has an attraction to Draco Malfoy and Harry being her brother is really over protective. Draco and Maria fall in love and Harry doesn't approve, but he wants Maria to be happy. Harry one day meets up with Draco to talk to him, and Harry tells Draco, "If you hurt her, I will not think twice and I will kill you." Read and find out what happens!