Hermione and Harry couldn't stop laughing as they watched their friends zoom out of the common room.

"Hermione, if I haven't said it already, you are a genius!"

"I know." Hermione buried her nose in a book as her giggles subsided.

"What's that?"

"A spell book of pranks."

"Do the Weasley twins know about this?"

"No. Only girls can read it. It was written by girls in the school centuries ago. They got a little pissed off with their male counterparts and invented a bunch of great spells to get back at them."

"Any ideas?"

"Yes, this one could work. Hahahahaha! They were really brilliant back then!"

"What is it?"

"I know my transfiguration's good, but what about yours? I haven't seen you practice it in a while."

"I'm not exactly bad."

"Ok, so that's out…although I could do it on my own. Got it!"

"Tell me!"

"I know your mother once did this to Lupin, and I'm thinking we can do this to all our friends. If we knock them out well enough then we should have enough time. One problem, do you mind seeing them naked…and being the cause of it?"

"We knock them out and take their clothes, then what?"

"Leave them stranded."

"Where?"

"The forest."

"My MOTHER did that to LUPIN?!"

"Yes she did. And then blackmailed him with the photos."

"My MOTHER??!!"

"Yes Harry! We can slip a sleeping draught into their drinks and then levitate them out under the full body bind. We undress them there and return their uniforms to their beds. Also we take their wands."

"Isn't that really dangerous? Leaving them in the forest with no clothes and no wands."

"Fine, we'll leave one wand. They'll need the light. But I'll put the transfiguration block on it. We don't want them to get back with clothes on, do we?"

"Hermione, do you know that you can be really evil sometimes?"

"I learnt from the best. My girlfriend definitely taught me a thing or two."

"Who is your girlfriend?"

"Oh come on Harry! You can't be that dumb! Pansy! Pansy is my girlfriend! Surely you must have been wondering why she's always in our common room nowadays?"

"Um, no. A Slytherin?"

"Harry, we all know about your crush on Draco."

Harry paled and bit his lip.

"I don't know what you're talking about."

One of Hermione's eyebrows rose sceptically.