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“N-no. No pain. Just…full. So fucking full.”
“You’re full of everything, aren’t you, Mama?” I ask with a satisfied smirk. “Belly full of my baby. Pussy full of my cum.” I had to cum at least once inside her swollen pussy before attempting this so I wouldn’t go too hard on her the first time. “And ass full of my dick. Such a good girl taking all of me.”
Becca squeals and arches her back off the bed when I start to ease out of her. She’s so lubed up and stretched that my second heavenly thrust inside her is easier.
“Oh god, Samir! That feels so good.”
“You have no fucking idea how good it feels on my end, Mama,” I say between heaving gulps of air as my body trembles at the indescribable pleasure of her ass clamping down around my pipe. “But I know how to make it even better for you.”
Becca’s eyes round when I reach over to grab the dark purple vibrator I bought along with the increasingly larger butt plugs we started using to stretch her asshole to take my length and girth over the last four weeks since we found out she was pregnant. It was the new, single greatest moment of my life, seeing the block of letters on the digital screen of the pregnancy test confirming the weight she gained after moving to Tuscon was not, in fact, the freshman fifteen like she pretended it was. Her nausea was not, in fact, due to the staggeringly oppressive heat of summer in Arizona.
I turn the vibrator on with a wicked grin and push the full length of it inside her pussy, then pull it out, nice and wet, coated in my cum, and press it to her clit. Becca screams my name almost as loud as the music we’re playing—one of the original songs she wrote and uploaded to YouTube, which immediately went viral right after we moved into our new house. Her follower count is growing faster than we can keep up.
“Oh god, oh god, oh god,” she chants as I move the vibrator from side to side, rolling it over her clit as I begin pumping in and out of her ass faster. “Samir! I’m going to…I’m going to…oh…fuck, Samir!” Becca screams so damn loud when her orgasm slams into her that I’m glad we didn’t try this when our parents were home. We may have the second floor to ourselves, with our sisters in the room opposite our parents on the first floor, but we’re still careful to keep our voices low when they’re home.
Our parents still don’t know about us, but they will soon. Tonight, actually, once the twins are in bed after they get back from a day trip to the Saguaro National Park. We’re planning to sit them down and give them the ultrasound pictures, which don’t show much more than a tiny bean, that we got from the OBGYN yesterday. We figure telling them Becca is pregnant first will shock them enough that when they find out I’m the father—that we’re in love and plan on getting married before the baby is born—they won’t have the mental bandwidth to freak out even more.
Well, that was the plan. And as with all of my plans, our parents unknowingly interrupt them. At least, Dad does by coming home early and swinging open my bedroom door.
Becca and I whip our heads simultaneously to the side when he says, “Hey, son, can you turn down the—” Dad lets loose a shrill, feminine scream, and we watch as he slaps a hand over his eyes, stumbles back, trips over his feet, and crashes against the wall in the hallway opposite my door.
“Kevin!” Mom yells as we hear her run up the stairs. “Are you ok? What happened?” She appears around the corner to find me buried balls deep in my step-sister’s ass and screams just as shrilly as Dad did. “Oh, sweet mercy. Oh—gah!” She lunges into my room to grab my door knob and slams the door closed hard enough to shake the windows in my bedroom.
I pinch my eyes closed and exhale with a massive amount of relief that the girls weren’t with Mom to see us. Talk about traumatizing.
Mom pounds her first on the door, then yells through it, “You…you stop that right now! And…and…meet us in the kitchen!”
Fuck.
When I open my eyes to check on Becca, she’s biting her lip and looking around wildly, on the verge of hyperventilating. Grumbling at the epically ruined moment, I slowly withdraw my lubed cock from her asshole, halfway to cumming when I see the pink stretch of her skin. I drop my head back on my shoulders and moan as her pucker chokes the sensitive head of my dick, trying to suck me back in. Instead of pulling out like I should, I drive home inside her.
Becca slaps at me. “Samir! Stop! Our parents—”
I shake my head and dig my fingers into her thighs when she tries to wiggle out from under me. “I can’t. I—fuck, your ass is too good, Mama.” I snap my hips back and thrust a little harder. “Can’t stop until I cum. Just…just a few more pumps and I’ll be done.” As if I’ll ever be done with her. As if I’ll ever be able to get enough of her. There’s no such thing.
“Samir!”
“That’s it, Mama. Scream my name like a good girl while I pound your ass until I fill you up with my cum.”
“Stop! Seriously, you need to—oh god, no, don’t stop!” Becca screams when I pick up the vibrator I’d dropped when Dad surprised us, switch it to a higher setting, and press it against her clit. We’re both going to cum hard and fast this time.
Becca uses her legs over my shoulders to bounce her ass up and down my length, taking the reigns from me, tugging and jerking my cock wildly. It’s a sensation unlike anything I’ve ever felt before, leaving me lightheaded as all my blood rushes south. I don’t have to do a damn thing except stay in position and take it as she abuses my dick and wrenches a vicious, blinding orgasm out of me, sucking the cum straight out of my balls.
“Fuuuuuck, Mama, yes! Such a good fucking girl, taking your brother’s cum.”
As soon as Becca orgasms and her ass loses its merciless grip on my shaft, my eyes roll back in my head, and I simply collapse backward, my legs trapped at a painful angle underneath me. I don’t have the energy to do anything other than grunt at the bite of pain.
How Becca has the energy to lift her legs off my chest and sit up is beyond me. “Fucking hell, Samir, I told you to stop saying messed up shit like that when we’re having sex.”
I laugh, causing my spent dick to twitch and my stomach to cramp. Becca gets on her knees and crawls to me, and I zero in on her lower half when I see the evidence of our combined cum leaking from between her legs. I’m hit with a shockwave of dizziness as any remaining blood in my head drains and fills my rubbed-raw cock.
“Turn around, Mama,” I say in a hoarse voice, motioning with a limp hand for her to spin.
“What? Why?”
“Be a good girl and turn around for me. Hands and knees. Want to see my cum leaking out of you.”
“Come on, Samir. We need to clean up and go downstairs,” she says as she worries her bottom lip.
