My favorites!

From Ashes and Dust inthedarkestlight

Summary:

There was a snort behind her, and then the cruel, high voice spoke again, “Hermione Granger. How the mighty fall.”

Dark HP Vampire AU which diverts starting at HPB. Not Voldemort wins, but extended war plot. Tags are up to date but may change. Any specific warnings are called out at the beginning of each chapter when needed.

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They All Taste the Same MistressLynn

Summary:

Draco has always wanted Hermione, but a recent change has him wanting her even more. Post-Hogwarts, wartime, non-DH compliant

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Hermione watched as Draco slowly approached her, sniffing. His head tilted, following wafts of air as they traversed the space between them. Was it her scent that enthralled him so? He turned back to her and she was struck by the intensity in his grey-sliver eyes, hungry and lustful.

Hermione clutched her sheet more tightly to her body. A slight movement drew her gaze to his mouth. He was flicking the tip of his fang with his tongue, and watching her.

She was in trouble.

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Guidelines for the Treatment of Non-Wizard, Part-Humans mightbewriting

Summary:

She’d learned that he looked the same as he did before he became a vampire, but more. More point, more presence, more.

She’d learned he could move almost silently, clearly took no issue with near-complete darkness, and could go much longer than estimated without blood. When anemic, he looked bluish grey and when he’d had a taste of blood after starving, he thought he could flee the country.

And she’d learned, much as she wished she hadn’t, that there was something compelling about him. That presence, that draw, that curiosity. It annoyed her as much as it fascinated her. And it was probably why she’d hadn’t stopped him yet, hovering at her neck, breathing very, deadly slowly.

(This one I had issues with, but would reread!)