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Siblings Just Want to Have Fun

Summary:

Amity is a proud girl, until her siblings open their dumb, stupid, sexy mouths at least.

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“Heyyyy Mittens~” Em’s voice rings out from behind her, just before a sharp smack lands on Amity Blight’s bottom. She yelps at the sudden contact, then whirls around on her heel. “How was work?” Her big sister asks, completely oblivious to how fucking obnoxious she's being. Amity’s scathing retort dies in her throat as she takes Em’s appearance in.

 

“Put your shirt on properly Em!” Amity spits out, desperately willing the heat that’s rushing up her body to stay out of her face. It's never so easy for her though, and she can tell that her cheeks are glowing red by how her sister squeals. Em leans right in, way too close, her white button-up school shirt is open, and the way she’s leaning has it hanging open off her shapely frame. Amity’s eyes are dragged, totally against her will by the way, down from Em’s face to her collarbone, then to the curves that always fascinate her always bother her to no end. 

 

It’s not like she cares that her big sister has awesome tits. No siree, no way. She swears on the Titan’s skull.

 

“Awww, is Mittens all flushed cuz her big sis is hot?” Em jokes, arching her back, making all her curves even more pronounced. Amity feels a bead of sweat crawl down her neck, and she pulls at the collar of her own dress shirt. Emira’s smile grows just a little, getting more ‘toothy’ and all Amity can do is wheeze at the sight. 

 

Her breath hitches as Em moves as quick as a striking snorse, pushing her into the hallway wall. Her sister is pressed right up against her in the blink of an eye, and Amity gets a noseful of her jasmine body wash. 

 

Sistersmell 

 

“We're going to be late for school.” Amity tries to protest.

 

“That's a good point.” Em’s hot breath brushes across Amity's lips. She trembles and shuffles her legs a little wider without meaning to.

 

Then.

 

Em. Fucking. Walks away? Amity lets all the air out of her, deflating a little. How in the fuck? What the fuck? Amity straightens out her uniform and stalks away. As hard as she can try, she can't bring herself to be angry with Em.

 

She pointedly ignores the fact that she needs to change her panties. She doesn't have time.

 

***

 

The rest of the morning goes normally, her first and second classes are uneventful. She helps Luz work on glyph combos during lunch. She chats with Luz, Willow, and Gus, but before long the bell screams.

 

“Byye Amity! See you at book club!” Luz calls out as they split up in the hallways. 

 

“Yeah.” Amity nods, her cheeks burning. She plays with her hair without meaning to, walking the path to her next class without even thinking. 

 

Luz is pretty, cool, and fun. They've been friends for a while now, and she doesn't doubt that Luz feels the same way about her that she does about Luz. All she has to do now is ask the question.

 

Amity squares her shoulders, deciding that she'll do it after book club. Nothing will distract her today. Nothing! She rounds a corner and slams directly into someone.

 

“Watch it nitwit!” She snaps at her smugly grinning big brother. 

 

“Ouch, nitwit? Is that how you really feel about me, Mittens?” Ed asks, placing the back of his hand against his forehead in a faux show of hurt. Amity grumbles, crossing her arms.

 

“Right, sorry-” she starts, but her brother moves so quickly that she doesn't have time to react. One minute they're standing in a way corner, the Amity's being dragged into a random closet. “Ed we're gonna be-” she complains just before his lips crash into hers.

 

Amity's heart leaps, flipping in her chest. Even though she knows she doesn't like boys, Ed's fine. Amity runs a hand up her brother's back, burying itself in his short yet soft hair.

 

He pulls away, looking down at her with what she can only describe as a smolder. She's breathless, her dress shirt has come untucked from her skirt. He steps away, fixes her hair, then winks and leaves the closet. Amity tucks her shirt back in, completely incensed that her older siblings keep messing with her. 

 

Best Worst of all, her panties are soaked, again.

 

***

 

“What makes you think we should give it to you, Mittens?” Em asks, that smug smile somehow growing even smugger. Amity opens her mouth to bite back but finds herself rather speechless at the sight in front of her. They’re in the twins’ bedroom, the blinds are closed and the door is locked. Em shrugs off her dress shirt, showing off her small but pleasantly round chest. Amity can’t help but stare, the way her sides turn slightly inward before flaring out into surprisingly wide hips utterly captivates her.

 

It's humiliating, getting so worked up over these two degenerates. But her siblings know just how to push her buttons, they know everything she likes. 

 

“Come on baby, I know you can do it.” Ed coos from behind her. She shivers as his fingertips just barely dip into the waistband of her skirt. “Be a big girl for just a little while longer, then we'll give you whatever you want.”

 

His words might as well be a mind control spell, for the effect they have on her. She can feel her adrenaline fade, she can feel her pupils widening and her breath shortening.

 

“Cuz I'm a good girl.” She whines, her clothes are too tight, too itchy. She's too warm. A rising fire inside her is quickly burning away all logic.

 

Logically she knows that she has a crush on Luz. Logically she knows she shouldn't do this…

 

“Who's a good girl?” Em asks, finally setting the trap. The trap that Amity can't help but spring.

 

“Yours. Your good girl.” She gasps out, Ed's fingers are dipping lower as his lips brush the very tip of her ear.

 

“And?” He says, dragging out the last syllable as long as he can. Amity trembles in his arms and struggles to make words. 

 

“Uh, ahh… Ed's. I'm Ed’s too. Please Emmie…” she mumbles, talking her face against Em’s chest before breathing deeply. Sister smell~ it floods her nose and fills her mind with its delightful fog. It's one of her favorite things about all of this, The almost tipsy feeling she gets when she starts to slip under.

 

“Please?” Em whispers. Amity gasps as her fangs brush her ear. “Please what?” Amity grumbles, then looks her sister square in the face.

 

“Will you two fuck me already?!” She barks, “You've been teasing me all day!”

 

“We sure have.” Ed coos, slipping up behind her. He presses his crotch into her butt, and she can feel the bulge.

 

“All according to plan, right Ed?” Em agrees, grabbing Amity by the back of her head and shoving her into his tits. Amity stammers, almost dizzy.



Em pulls out, rolls Amity over, shoves her face into Ed's crotch, and slams back into her in one go.

 

Amity cries out, nose full of Ed's Musk, pussy full of Em's cock, head full of air and nothing else.

 

“Fuck Mittens, you're clenching so hard babe.” Em grunts, panting in time with her rough thrusts. “Ed, hurry up and get those boxers off. I want her even tighter when I finish.”

 

“Yes ma'am!” Eddie chirps. He lifts Amity's head and magics his boxers away. Amity moans, open-mouthed, eyes zeroed in on her prize. Like his twin, Eddie has a nice size to his cock. It's not too long or too wide, and it's got a slight but perfect curve that she's addicted to taking anywhere he'll give it.

 

Amity licks it as best she can, loving how smooth it is against her lips and face. Her eyelids droop, as she presses kisses up his shaft. She licks down then back up, getting it all messy and ready for the real thing. Every kiss is punctuated with a slap of her big sister's hips against her ass. 

 

“That's it Mittens. You did so good for us today, you deserve a reward.” Eddie says in a dry yet drippingly saccharine tone, like she's still a widdle baby who doesn't know anything about anything. Amity moans, every time Emmie spears her cock inside her, she relaxes just a little more. A little bit more of the tension she always seems to have melts away from her body, she doesn't have to be a perfect student right now. She doesn't have to be the perfect daughter. All she has to do is be good and feel good. 

 

“Unngh, that’s good.” Em groans, grabbing her hips and leaning over top of her. Amity purrs, licks one more strip up Eddie's dick, then takes him halfway with well-practiced ease. It fills her mouth so perfectly, pressing into her tongue, stretching her jaw just that little bit necessary to turn her brain into a sloppy, desperate mess. She drags her lips and her tongue across him with each bob of her head, and her muffled moans jump out in time with the rough thrusts Em’s giving her. 

 

“H-having fun Em?” Ed asks, failing to keep his smug demeanor up. Amity feels light as a feather, and takes him all the way in. His well-trimmed pubes tickle the tip of her nose while his tip tickles the back of her throat. 

 

“Hell yes, just gotta get our baby Mittens off.” Emmie answers as she reaches around and gently teases Amity’s clit. Amity yelps, then moans long and loud. She’s sure she’s seeing stars, or maybe she’s just losing consciousness. She taps Ed’s thigh and a moment later her brother's hand lets go of her now messy green hair. She gasps, then cries out, caught between panting and moaning as Em ruins her in the best way. her sister gives it to her with rough, almost cruel strokes. She’s powerless. 

“You okay baby? Needed a breather?” Eddie asks, stroking her ears so delicately.

 

“HAhh!” She moans as Em bottoms out hard. 

 

“Yeah? Are you going to pop for us, sweetie? You gonna make messies?” Eddie teases just before he pinches her ears hard. She whimpers, trying to nod. Instead, she just ends up pressing her face into his cock again, and she’s back to sucking in a flash.

 

“That’s-fuck-that’s good.” Emmie grunts. “Keep her there Ed, I think she needs a load to finish.” 

 

“MHMM!” Amity agrees. She gags immediately after by just how rough Eddie is fucking himself with her throat. Amity shudders and clenches so hard on Emmie’s shaft that her muffled moans simply vanish. Emmie cries out, swearing profusely as her thrusts reach a truly breakneck pace. It’s messy, sloppy, it’s embarrassing, it’s objectively gross. She’s drooling from both ends, she’s shaking and twitching, moaning like she's a whore at one of those brothels she knows Mom and Dad go to. She doesn't care, everything that should be mortifying about this just makes it even better. the fact her siblings can make her like this, the fact she wants to be like this for them.

 

It’s perfect.

 

“Oh fuck!” Emmie gasps, “She’s about to pop!”

 

“C-come on Mittens, squeeze Em’s load outta her will ya?” Ed answers, one eye closed and his sharp fangs digging into his bottom lip. Amity, cums, hard. She practically creams around Emmie’s shaft, clenching so hard to no avail. She’s soaked in pre-cum and her own slick. Emmie cries out shrilly while her cock pulses, just as Eddie crams all of his dick into her mouth and empties his balls. Amity’s a good girl, she swallows all of her brother’s cum while taking all of her sister’s straight into her womb. 

 

“Damn, good girl.” Eddie coos, stroking her sweat-soaked hair while keeping her pressed against his pelvis. She suckles, eking every last drop she can out while squeezing Em with her messy, used cunt. 

 

“There we go… that’s it Mittens.” Em praises, pulling out with a messy pop! Ed finally lets her breathe, and Amity Blight just lies there all blissed out and satisfied. “Awww, baby’s all fucked out already Ed.” Em says. “Shame really.” Amity looks up at her, confused.

 

“Yeah, you didn't think it was over did you Mittens?” Ed jokes, smiling deviously as he casts a spell. Amity’s wrists are pulled behind her back before they’re instantly tied. She gasps as she’s lifted into a transparent blue harness.

 

“The fun’s just beginning~” Em says in a sultry tone. Amity swallows, these two are gonna make a mess of her for as long as they can. She hopes Luz doesn’t mind her coming to book club all sweaty and full of cum.