The Supreme Commander and The Grand Vizier

In this alternate universe, after the death of Sate Pestage, Emperor Palpatine is in need of a new Grand Vizier. According to the Imperial Constitution, the position falls to his unpolitical apprentice and Supreme Commander, Darth Vader. Instead, Palpatine arranges a marriage between Lord Vader and the Senator of Naboo, Padmé Amidala. A Vadmé or Vader/Padmé story.