"Trick or Treat."
Hermione smiled beneath the long-fingered hands that covered her face. It was an old tradition between them. One person would set up two scenarios and then ambush the other. That person would choose one, sight unseen.
Her last 'treat' had involved rose-scented oil and a massage that had left her purring in ecstasy.
Her last 'trick' had involved silk ropes and and application of charmed quills that had left her groaning in frustration.
Severus was becoming impatient. "Trick or Treat?" he repeated irritably. Hermione's smile turned into a grin.
"Trick," she replied.
Inspired by the grangersnape100 'Trick or Treat' challenge.