Harry and Ginny are together again. Hermione and Ron are moving closer but that's a different story. They have little time till they go back to Hogwarts
Hermione and Ginny went back to Hogwarts for eighth year while Harry and Ron did not. 21 years later, Hermione and Ginny have disappeared off the face of the earth, only to return to the 21st anniversary of the Battle of Hogwarts. And not alone, they have mysterious husbands and 8 kids in total.
Disclaimer: I own nothing but the plot. J.K. Rowling owns the rest.