Druna: Draco & Luna.
With Luna sick of everything in her life, she gives up her carefree dreamy personality and gets a normalish, boardering Slytherin like personality.
After DH. With half of the 7th years redoing the year they merge with Luna and Ginnys year.
With Ginny being with Harry constantly Luna is lonely, until she befriends another outcast, well, not befriend, more like, aquaintance, With Draco Malfoy, With Draco being outcasted by everyone for once being a death eater he is cast out too.
So... Um.... They like make friends.... Ok.... How about you just read this Dam thing already right!? Taar
This is not just a Druna 1 shot, its a whole thing.