Y/N is Harry potters sister and Snape daughter. When Lilly was dating Snape before he turned bad. When he did turn bad Lilly left him and when to James. Later on she released that she was pregnant with Snapes kid. She choose not to tell Snape. James treated Y/N like his own. A little later Lilly found out she was pregnant again with Harry. Y/N and Harry were only a few moths apart, when Y/n and Harry were 2 when Voldemort came Lilly sent Y/n to Snape and wrote a note that told him everything and that Y/n is his daughter. And ever since Y/n didn't see Harry but that might change when her and best friend Draco Malfoy run into him. Draco x reader I do not own the picture or the characters and movies Credit to J.K. Rowling for the Harry Potter books.