Harry Potter and the Friend He Never Had

This is an Alternate Universe (AU) where Harry Potter grows with the Dursleys, but in this AU, Petunia loves her Nephew, and so does Dudley. Harry meets John Smith (Original Character), a wizard just like him, but not everything is what it seems like. Who is this OC, what are his motives and how will the story turn out in this Alternate Universe? This is a planned slow burn mystery-thriller. Enjoy reading!