"I'll sleep on the floor" I told her, "You can have the bed, there's no point you trying to walk back tonight; it's freezing out there."
"Don't be daft." she replied, "We've been friends for years, I think we can share a bed."
"What about Amanda and Mark?"
"They'll never hear of it anyway" she pointed out as she climbed under the covers.
I laughed and shrugged. "Fair enough. I should point out though, I can't sleep in jeans so if I'm in the bed with you I'll only be in my boxers."
"Don't worry" she smiled as she pulled her jeans and socks out from under the covers and dropped them on the floor, "neither can I."
I laughed again, stumbling as I pulled off my jeans and folding them over the back of my chair.
"Ha! Drunkard" she said between muffled giggles.
I barked a laugh. "Bit rich coming from miss 'falls up the stairs three times on the way up here'!"
"Hush" she laughed, "now are you getting in or not?"
"Yeah, yeah alright I'm coming" I said and she pulled back the covers to reveal her pale legs and red French knickers only half covered by her t-shirt.
"Oh, would you mind sleeping next to the wall?" she asked, so I shrugged and climbed over her before collapsing onto my back. "You forgot the light too," she sighed, climbing out from under the covers and heading to the light switch. I watched her cross the room, taking in the way her hips moved as she walked, arse framed by those red panties.
She turned the light off, so I moved away from the wall reaching for the lamp, asking if she wanted the lamplight to navigate by. "I can tell where you are from you talking, and I can see just about enough anyway, I'll be with you in a sec."
Seconds later I felt the pressure on the bed as her leg pressed down on the mattress. Unable to see in the dark, her second leg came down over mine. She giggled and pulled away, lying on her side to my left.
"This isn't very comfy" she muttered, and a second later she sat up, grabbed my hand and moved it around her back. Snuggling close to me she reached her arm over to rest her hand on my shoulder and pressed up against me.
I could hear her breathing by my ear now as her head rested by my shoulder. I curled my arm round her back and rested it on her side, slowly stroking. Her breathing deepened and her leg slowly moved back on top of mine, her soft skin sliding silently over my thigh.
I felt my own breathing quicken slightly now, my heart beat faster, and I could feel the blood flow begin to divert towards my slowly growing cock.
She let out a breathy sigh as she pressed into my side, wrapping her other arm around the back of my neck now. As she slid her leg higher it passed over my semi-erect length and she let out a small chuckle before moving her leg back down over it, and then left her thigh pressed over it as it grew stronger and harder.
My cock was throbbing, the pressure of her thigh and the sound of her quick, heavy breathing by my ear had me fully erect inside my boxers in seconds. She kissed my shoulder through my shirt.
"You have a boyfriend," I whispered
"And you have a girlfriend. You still seem to be as horny as I am." As if to prove her point she reached under my boxers and wrapped her hand round my cock. She slowly started to run her hand up and down and I couldn't stifle a small groan. She let go and pushed her hand under my shirt, pulling it upwards as her hand moved back up to my shoulder.
I reached my left arm under the back of her t-shirt, trailing my fingers up her back to the reward of a small moan, before unclasping her bra and then brushing the strap off her shoulder.