From Hate to... Love? [A Dramione fanfic]

After the war, Hermione, Harry and Ron, along with the rest of the gang return to Hogwarts to redo ther last year at Hogwarts School of WitchCraft and Wizardry. What happens when enemies become friends, or lovers? What if the new Minister of Magic sets a new law? A law where to students are paired up to be married? The Marriage Law will bring the houses together or would it be the same as when the school was founded?