Harrypottertransgendersister Stories

"Every child in our world will know his name" in the Muggle world every child does know the name Harry Potter, but who on earth is Mary Potter? it turns out that Harry Potter has an Identical twin sister. But she was once mistaken for a brother. This is her story. p.s I do not own any of these characters except Mary and Roxy, nor do I own any of the fan art.