Scarlet and Obsidian (A Harry Potter Fanfic)

Creature!Fic Vampire!Snape Abusive!Dursleys Slash Snarry and a little sub/dom for good measure. Angsty beginning, fluffy end. Set in the summer before 6th year, Harry accidentally takes down the wards on Private Drive and is thrown into Malfoy Manor. Snape's there too, but their escape leads to such unpredictable consequences. Can Snape resist when Harry's so recklessly tempting?