Gregorygoyale Stories

"It's my life, I get to choose who I can and cannot be with." Madison screams across the Gryffindor common room. "Well your also MY sister. I don't want you to see him, therefore you will not." Harry retaliates back. "Your so unfair," Madison replies. Harry Potter finds out he has a twin sister named Madison Potter. She was raised by Sirius' house elf since he was in Azkaban at 12 Grimmauld Place. What happens when she finds out about her brother and goes to Hogwarts?