This is a work of fiction. All characters are over eighteen years of age.
I don't know how much you know about sleepwalking. I didn't know anything, until my sister started doing it. Our Mom said don't worry, she used to do it too as a kid. I looked into it myself and found out that
nobody
really knows
anything
about it. That kinda worried me, I'm kind of an over-protective big brother I guess, but at least it looked mostly harmless.
It started when Sabrina was around ten. First it was sleep walking. Then came sleep-coloring. She'd make drawings at midnight that she didn't remember doing the next day. As she got older it changed to other weird things. She'd mime going fishing in the kitchen, cook imaginary meals in the basement, it was spooky. Her eyes would be open like she was awake but she'd never remember anything. And if she woke up she'd be mad and confused. It petered out over time and we all kinda forgot about it.
Well last year Mom and Dad got divorced. Sabrina and I stayed with Mom at the house, we both went to college nearby. It must have been the stress, 'Brina started sleepwalking again. I found her in the hallway one night and led her back to her bed. Sometimes that works, sometimes not. She climbed in bed no problem so I sat in a chair to watch her for a second. Sometimes she gets right back up.
Not this time. She was still zonked out, her eyes were open and glassy, but instead of just lying back down she piled her pillows up and before I knew it had pulled her sleep shirt over her head and laid back against the headboard. I admit it, at first I just stared. My little sister's a fox. Her titties are perfect C-cups, her nips were already hard. While I was frozen she'd pulled her pale white panties to one side and started rubbing her pussy.
She had light blonde hair down there too, she'd trimmed it into a neat triangle. Her pussy lips were thick, she stroked a finger down the center and shuddered. This whole time, her eyes were open and glassy, staring at nothing. It was spooky and sexy all at once.
Her pussy started getting wet as she stroked herself. She started moaning, and I almost lost it. Talk about weird! She was smiling an erotic smile, every part of her face was expressive but her eyes, she looked like she was seriously pleasuring herself, and at the same time looked like a robot or something. I got up to leave, it was freaking me out too much. That's when she started moaning
my
name.
"Oh Drew! Yes, fuck me, I need your cock!", Sabrina panted in her sleep. I froze again. My eighteen year old sister was begging me to fuck her, in her sleep! Oh this was too good! Sure it was sexy as hell but first things first, I raced to my room and back, twenty seconds and I had my phone out, recording this. No way she'd believe me otherwise.
I was getting a hard-on from watching her, she was really getting into it. Her pussy was now open wide, looking nice and juicy. Her fingers were making a squelching sound as she pistoned them in and out. I'd turned the lights back on to see better, it wouldn't make a difference to Sabrina. Her clit was standing tall, I was tempted to give her a lick but I didn't know what would happen.
She was still talking dirty. "Yes, right there, oh fuck me brother, fuck your slutty little sister's aching cunt! God I need your cock!" Man this was hot! I reached down and gave myself a squeeze, I was going to jack off to this later, guaranteed! Sabrina reached up and hefted a tit to her mouth and sucked a nipple.
"Mmm, Drew, your cock feels so good inside me! You're going to make me cum, what a nasty brother, fucking his slut of a baby sis! Yes, ram it in hard, oh god! Cumming!
Cumming
on your cock!" Sabrina's chest and face grew flushed, her whole body started quivering.
Sabrina came for a solid minute, shaking around her fingers and moaning. Then she curled up on her side and finally closed her eyes. I turned off her lights and watched her a while longer, she finally started breathing deep and slow. I covered her with a blanket and went to my room to jerk off.
I just sat on the recording for a few days, life kept happening. Then it was the weekend, no Saturday classes for either of us, and Mom gone for a few hours at a Realtor's seminar. After a late breakfast I wandered into 'Brina's room, she was doing homework for her Chem class. "What's up, big brother?" she asked brightly.
I didn't answer, I just smiled and hit play on my phone. I was watching the screen so she got up to look over my shoulder. It was at the part where she starts yelling my name, I had the volume up all the way, she could hear herself before she saw herself.
"Yes, ram it in hard, oh god!" the tiny Sabrina was saying. My sister's hands flew to her mouth, her eyes got huge. "Drew, where did you get this, oh my god!" Her face got beet red. "Wait, is that my bedroom? And my eyes, oh no!" 'Brina realized what happened as soon as she saw her staring eyes in the vid. She was trying to grab the phone away but I was too tall for her.
"Sabrina sleepwalks again!" I said, miming a banner headline. "Only now it's X-rated!" I was teasing her a bit, I mean I
am
her big bro, it comes with the territory. She looked like she might lose it so I relented. "Sorry, 'Bri, I know it's not funny. And I didn't mean to see this, I mean you do just kinda wander sometimes. I was making sure you got back in bed when... when
this
happened."
Sabrina gave me a hug. "I know, bro, it's happened before. Not the sex stuff! You know what I mean. But this..."
"... is pretty heavy stuff." I finished. I knew what I wanted to do about it, I'm nuts about my little sister. She's cute and funny and if I could marry her and get away with it I would. Plus there's the whole 'slammin' bod' thing.
Sabrina is five seven exactly, with wavy brown hair and brown eyes. She's got Mom's build, narrow frame with nice tits and ass, just a walking wet dream. Her personality is warm and bubbly and generous. I'd always loved her like a brother, while secretly hoping for more.
"How long have I been doing this?" Sabrina asked. She wasn't as mad as I'd thought she'd be, more resigned I guess. I wondered if she'd been expecting it to come back.
"This was the first and only time, I swear it on Fred." Swearing on Fred was our family shorthand, it meant I was being straight with her. "It happened on Wednesday, but with midterms and Mom's work stuff I didn't want to bug you with it until now."
'Brina gave me a smile but she still looked worried. "Drew, I don't know where that, that... porn talk came from, honest! I never talk like that, oh my god! And you know I have a serious boyfriend!"
And I have a girlfriend, but I'd still fuck my sis in a heartbeat. "I know sis, and besides, you never struck me as the porn star type." I laughed and ducked her swing as she tried to clobber me one. She knew I was lying anyway.
We talked about it a little more, Sabrina wanted to see me delete that file off my phone and I obliged her. I suggested she tie herself to her bed at night and we both laughed and left it there.
Later in the week I woke up from a terrific dream, I was getting the best blowjob ever. I looked down and uh oh, there was Sabrina with my cock in her mouth! She was licking the shaft, running her tongue over the head, fondling my balls, god it felt fantastic!
She was fully naked this time. her ass was in the air, I could smell her arousal. She was moaning around my dick, she took it out for a second to say "Cum for me big brother, I want your cum in my mouth."
She just had time to swallow me again before I started shooting. I was ready even before her dirty talk, that just spun me over the edge. My back arched and I tried to keep from yelling out of reflex. She was gulping down all my creamy load, her tongue searching my piss slit for more.
She kept my dick in her mouth even after I'd finished cumming, trying to suck me hard again. Even though this was literally a dream cum true I had to stop her. I grabbed her shoulders and gently shook her, calling her name.
"Sabrina? Hey sis? 'Brina? Come on, wake up!" She let go of my dick, thank god, and looked up at me. Slowly her eyes came into focus, while that was happening I tucked my cock back into my boxers.
At first she was confused, she didn't remember how she got here or even undressing. As she woke up further though shock and shame set in.
"Drew, oh god I did it again!" She buried her face in the blanket. I reached out and rubbed her back, trying to comfort her. But I guess that just made her realize how naked she was and where that odd taste in her mouth had come from.
With a stifled cry she jumped up and ran for her room down the hall, I heard her door slam. I thought about going to comfort her but I thought she might take it the wrong way. I was still deciding whether or not to lock my door when I fell asleep.
We didn't talk about that night, and for the next week things were pretty strained between us. Then one day I got back from class to find her sobbing on the couch. She'd snuck off for a quickie with her boyfriend. When she orgasmed I guess she called out my name instead of his. Long story short he'd broken up with her.
I gave her a big bear hug, all brotherly love, and just listened for a while. She'd really liked this Roger guy, she said. She'd told him what she was telling me, it was an accident, it slipped out, she never thought of me that way. I believed her, too bad he hadn't. Idiot.
"Well sis, something's behind all this. I know it's been super stressful with college and the divorce and everything. Maybe you're looking for security?" Armchair analysis from a guy with ulterior motives, sure, but hey, I could be right.
Sabrina turned to face me on the couch. "You know what I want to know? All this time, Drew, ever since this sex stuff started, I've been waiting. Waiting for you to suggest we fuck and see if the sleepwalking stops." Her face was serious, I had no idea what she was thinking.
