Harry Potter the Kidnapped Prince

Because of events at a Primary School Science fair a young Harry Potter goes from being an abused kid sleeping in a cupboard under the stairs to becoming Crown Prince of a semi-magical country that all of the fairytales that he grew up with are real. But a change in rank leads to new problems with new enemies including a desperate Voldemort. Pairing HarryxHermionexOFC Mulicrossover