A quick rec before I have to go to sleep:
That Which Divides Us by oldenuf2nobetter
Copied from hexfiles:

Summary: Three years after what would have been thier seventh year at Hogwarts, the war between the forces of light and Voldemort's minions grinds on. But even within the ranks of the Order of the Phoenix there are vast disagreements over what is good for 'the chosen one' and his volatile relationship with Draco Malfoy has many on edge. Sometimes even the best intentions can reap disaster.
Genres: Action/Adventure, Angst, AU, Drama, Hurt/Comfort, Romance
Rating: NC-17
Warnings: Adult Language, Angst, Dubious Consent, Sexual Content, Violence, Hurt/Comfort, D/s

Very very angsty and it hurts just so much! Makes you want to slap Hermione around and hug poor Draco.
It's a great story so far and gets updated every few days. Absolutely worth reading!