Lessons in Darkened Rooms (гет)

She glares at him for a long moment before spinning away, retrieving her wand with supple movements.
“Have it your way, then.”
It takes Draco two more weeks to master the spell.
It takes him two hours to wank to thoughts of Granger’s flimsy blouse and long legs.
**
Draco Malfoy's eighth year at Hogwarts should have been simple, if unpleasant. Instead he finds himself grappling with a Granger-shaped problem.