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(18+) Smutty Step Bro and Step Sis.
"Hey sis" I say as I lean against the door frame to get bedroom. It's old and coloured slightly red but the paint is chipping. The sun shines through her window and onto her bed.

"Hey" she replies as she looks up from reading her book. She has been laying on her bed on her stomach, yellow singlet and blonde hair. Slightly exposing her cleavage as she lays that way.
"Can I help you?" she asks as I stand there. Her blue eyes flashing at me as she kicks out her legs to stretch them.

"Well sis, mum and dad are out and I wanted someone to play video games with? I figured we could use the big TV?" I say as I stretch against the door frame.

A vacant stare is returned. The room silent and it feels like I could cut it with a knife.

"I'm reading" she says dryly in retort.

"Alrighty...well I'm bored so what arr you reading?" I walk forward and sit on her bed. I'm near her two soft pillows as she faces away. Her grey shorts don't leave much to the imagination.

"Look- I was trying to relax- are you going to bug me all day?" she fires back at me sharply.

"Well- I just said I'm bored. what are you reading?" I reach over and try to snatch the book from her hands but she is took quick and the distance too great between us and she closes the book.

"It's a romance. So don't try to steal it because you wouldn't care!" she says as she sits upright.

"Well why hide it then?" I ask quickly.

"I'm not. I'm just trying to read my fucking book man!" her voice raises.

"Okay- just read it outloud to me? I'll sit here you can lay down".

She stares at my proposition. "Fine. But you cannot fucking interrupt". I take my hand and move it to my mouth and imitate locking it and throwing away the key.

Her eyes roll but she begins to read the book to me. She lays down and gets comfortable. her thighs left wide and her loose grey shorts still leaving not much to be imagined.

I sit at the end of the bed and listen. A man named Harry has been in love with a woman named Liz. They are on their third date and have just finished dinner. My sister reads Outloud to me "That was when she said it. Harry, do you want to come up to my apartment?"
My eyes perked up. Surely my sister wasn't reading THAT kind of novel.

I go to open my mouth to ask but she catches me and says "you promised. silence. no matter how good this may get". Her face red with anticipation and alive with a grin the likes of nothing I had seen.

""Fuck me harry" Liz says as she removes her bra. Her pink nipples glistening in the moonlight.
Harry approaches and begins to kiss Liz's neck and down onto her chest". My sister reads.

I sit rigid on the bed. my eyes wide as my sister reads out the beginnings of a steamy sex scene from her book. I begin to get hard as I listen but I can't say anything as promised. So I sit and I listen and find my hand grazing my shorts and my growing erection as my sister reads. Anytime she is not aware I graze my cock trying not to moan.

"Hey-this is getting full on" she says as she looks up at me. "The next paragraph is just filthy sex" she says making eye contact.

I just sit and nod.

"Nodding- you want me to keep going?" She asks rhetorically.

"Harry slides his cock deep into Liz's pussy. Her juices drip onto her fresh satin sheets as she begins to moan. Her pussy clenches on Harry's cock as he begins to hold her throat with his free hand. "Oh my God Harry. Fuck me Harry. You feel so good" Liz all but screams". She reads. I take thus chance to graze my ever growing cock. It is now I realise I have forgotten underwear while relaxing at home. My hard cock has my shorts raised up visible if my sister even looks over.

"Fuck" she says outloud. "You should leave bro....I...I can't. please" she whispers her cheeks flushed red as she looks at me from the book. My eyes flash curiosity and I shake my head for a no.

"Fuck- I usually....this kind of book...like" she stammers. I look down between her thighs and she her grey shorts and growing darker. Her pussy beginning to soak them with wetness. My eyes widen. I shake my head insisting she keep going.

However, she has followed my eyes and sits bolt upright. "I TOLD YOU. you should go." She cries embarrassed. "I...I need to cum..." she whispers. Her head drops.

"sis" I say.

"But you promised not to speak..." she interrupts.

I reach over and raise her head with my hand. I wag my finger and point at her, then the book then her soaking pussy. She slaps my hand away. I then point at her, then the book then my raging cock.

Shocked my sister stares at my shorts realising it is both of us that have become aroused during this reading. I held my finger to my mouth. I form the sign for quiet. Indicating that I won't tell if she doesn't as long as she keeps reading. I use my hand to indicate she should touch herself and I will do the same as she reads.

She stares at me for a minute but then lays onto her back and re settles with the book and begins to read. "Harry held Liz against the wall his cock stretching her pussy. Liz dripped down the wall as Harry's balls slapped against her". She slides her shorts to the side and reveals a pretty pink little pussy. Hairless and perfect and soaking with juices. She slides two fingers between herself and spreads herself open beginning to play with herslef she moans as she keeps reading. "Oh fuck....uh fuck..." she moans as she slides two fingers into herself her pussy dripping onto her shorts and the bed.

"Harry grabs Liz by the back of her hair and begins to fuck...."
"Oh fuck I'm gonna cum"
"Liz Doggy style against the apartment glass for all to see".
"Oh fuck....I'm so horny don't watch". She moans and reads and has forgotten I'm going to do the same.

I grab the book and lower it so she can see the mess she is making and my own cock still inside my shorts. Her face bright red and fingers still buried in her pussy. I wag my finger to say don't cum until I cum. She nods in understanding and slows down her masturbation.

I stare at her and hold my hand up to say "hold" as I remove my shorts and reveal my hard, thick and throbbing cock. Precum drips from it onto her sheets. Her face goes even more red, if that was possible, and I see her pussy twitch. I wave to her to keep reading.

""Oh Harry you feel so good slap my ass" Liz yells out the apartment window as people walk by underneath her pussy still dripping"" she reads her rhythm slower now.

I begin to stroke my cock as I lean back on my sisters bed. Her pussy dripping and exposed as she plays along with me. We both let out moans from time to time and she catches me looking at her pussy as I catch her looking over the book to watch my cock.

"Harry grabbed Liz's hips and with a loud moan came...." she trails off. She drops the book onto her stomach and is watching me jerk off her fingering speed increases.

As this happens we make eye contact. Our faces both red. Our bodies both desperate to cum. My spare hand finds her bare thigh and begins to rub her soft skin. The room is filled with our moans. Her hips begin to thrust against her hand and she leans into my touch. Her eyes don't leave my throbbing cock.
"Fuck....I'm really going to cum" she says her fingers drenched from her own excitement.

As I watch her pussy pulse and drip and hear her moans get louder I stroke my cock faster. "Bro...fuck I'm going to cum" she says loudly.
My cock twitches at the sound. I kneel on her bed my cock facing her as I kneel between her spread legs. I point from my cock to her body asking if I can cum on her.

She Nods yes "fuck I don't care cover me in cum. I'm going to fucking cum. oh god I'm so wet. fuck. fuck fuck' she begins to orgasm while making eye contact and glancing at my cock that I have been stroking all the while.

I watch her shorts get drenched with her squirt and her sheets get covered. Her eyes roll and the smell of sex fills the room. I moan and jerk off faster over her. My sisters body laying there in pleasure and exhaustion.

I cum but don't announce it. I shoot my thick load onto her thighs, shorts and exposed belly.

I collapse onto the bed and we lay together but separate panting and enjoying the release.

She grabs the book and begins reading silently as I lay there and think about what to do with my afternoon.

After some time passes neither of us say a word but we manage to go our separate ways and clean up and pretend that nothing ever happened.

© Swiftonic Poetry