Mysterious Things that go Bump in the Night

Hermione Granger's waking up in the mornings dead tired with small unexplained marks and bruises scattered here and there on her body. Sometimes she can't remember what she did the previous night. Never mind. She's got NEWTs to sit and her future to prepare for. She's a confident young woman by day. But what is happening to her at night? Smut, Dramione romance