
Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/9422465.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      F/M
  Fandom:
      One_Direction_(Band), Zayn_Malik_(Musician)
  Relationship:
      Liam_Payne/Zayn_Malik
  Character:
      Zayn_Malik, Liam_Payne
  Additional Tags:
      Smut, Step-siblings, Vaginal_Sex, Light_Dom/sub, Exhibitionism, Implied/
      Referenced_Cheating, Infidelity, lol_this_is_so_short, girl!Zayn,
      Genderswap
  Series:
      Part 2 of you_get_off_on_me,_it's_like_cheating
  Stats:
      Published: 2017-01-22 Words: 1375
****** a little bit dangerous (but baby that's how I want it) ******
by somepeoplearewild
Summary
     Zayn and Liam back at it again.
Notes
See the end of the work for notes
"Liam, wake the fuck up!"
Liam groans sleepily, blindly reaching his hand out to swat the object of both
his desires and homicidal fantasies. She's been exceptionally worse since they
made the mistake of fucking that one time.
"We have to do chores before everyone gets back, and I'm not doing yours again.
Wake. Up!" Zayn shouts, smacking Liam in the face with a pillow.
It's a Saturday morning, which means her mom has taken her little sisters to
water aerobics, and Liam's dad is out walking Liberace and Versace at the dog
park. Of course, before leaving, her mom stopped to give Zayn a list of chores
for her and Liam to complete lest they desire to be grounded. Zayn can't get
grounded (again). She's been invited to go tagging with Louis and Perrie, and
she is not passing up this opportunity.
"Fuck, Zayn!" Liam yells, finally sitting up in bed. His usually neutral face
gone red from annoyance. "I'm up! God!"
"You'll empty the bins and mow the lawn, and I'll do laundry and hoover."
"Okay, fine, but we better be done by 3 because I have a date with Ana."
Zayn resists the urge to roll her eyes at the mention of Liam's girlfriend. He
happens to be in a long-term relationship with That Bitch™ at school with her
baby-thin blonde hair and sweet blue eyes that both betray and fall in line
with the manipulative monster she is. It's pretty cliche, but Zayn supposes if
she had to name an arch nemesis, it would be Ana Noble. Not because they're
fighting over Liam, but because Ana stands for everything that Zayn fights
against. As does Liam, but Ana can't give Zayn that good dick.
"Yeah, okay. Just get your shit done, and I'll handle mine." With that, Zayn
leaves him alone, beginning to gather laundry from all the rooms. It's a
tedious process, but eventually Zayn has completed her first task, and is
moving onto the next. She watches Liam out of the kitchen window as he mows the
backyard. She's absentmindedly moving the vacuum cleaner around the tile,
unaware of the way she's in a near trancelike state while staring at her step-
brother's broad shoulders flex.
He's shirtless because it's September and still a bit warm, and his summer-
tanned skin is hypnotising. None of this benefits Zayn as she plows into a
chair and stumbles into the counter, so she decides to take her efforts
upstairs.
It's not long before the sound of the backdoor slamming echoes throughout the
house. Zayn doesn't hear it, too busy vacuuming the landing that overlooks the
living room. She also doesn't hear Liam telling her to move out of the way so
he can go shower.
Liam, the gentleman that he is, rips the cord from the outlet before stalking
past Zayn in the same grumpy mood as before.
"Ay! You wanna not be a fuckface for like two seconds so I can fuckin clean?!"
Zayn yells at him as he slams the door to their room behind him.
He exits a half hour later in no better of a mood. "Zayn!" he shouts over the
bannister at the girl sprawled on the couch. "Where are my jeans? I'm meeting
Ana in an hour, and I don't have any fucking pants!"
The girl lulls her head slightly to the side to make eye contact, clearly
nonplussed by Liam's sudden outburst. "I don't know if you know if you know,
but you have to wash your jeans or else they start smelling like ass."
"All of my pants at once?!"
"You haven't washed a single pair of jeans since we moved in. Don't lie. I live
with you. I know."
"Well, now, I don't have anything to wear."
"Wear sweats."
Liam splutters for a moment, eyes bugged out like a cartoon, before he
incredulously spits, "Sweats?! Are you kidding? This is Ana Goddamn Noble. If I
show up anything less than perfect, I can kiss my balls goodbye."
"Sounds like you don't have any to begin with." Zayn cackles as she stands up
and stretches, lazily making her way up the stairs with every intention of
going into her room and taking a nap.
Liam, however, has different plans, stepping to the side blocking her path.
"Move, Liam," Zayn growls, black eyebrows furrowing menacingly. If he's afraid
of Ana, he should be terrified of Zayn.
"Go get my jeans."
Then, Zayn laughs as much in his face as she can being a good 6 inches beneath
it. "Pardon my language, but go fuck yourself." She tries to push past him, but
suddenly she's pressed against the guard rail, upper half being held over the
edge.
"Woah there, big boy. Let's not get too crazy. The last time you manhandled me
like this didn't turn out so great."

Liam ignores Zayn, instead wrapping her silky black hair around his fist and
jerking back, his other arm on her back still holding her over the rail.
Zayn whimpers submissively. It's not often someone can get her in that
headspace— the one to let them do whatever they please with her.
"You're such a fucking slut."
With that, Liam releases Zayn, who thinks he's walked away.
But suddenly her little black sleep shorts are ripped down her legs, exposing
her lacy panties with a groan from Liam. Zayn likes to casually wear lingerie,
likes to think about how no one would ever suspect what she's got on under her
school skirts and skinny jeans.
Liam wastes no time running a finger up and down the soaked crotch of her
underwear, leaning in to lick a fat stripe up the fabric. His cock jumps in his
shorts at the sound of Zayn's moan.
Zayn stays leaned over the bannister, unsure of where this is going but loving
every second of it. She sings for Liam as plays with her, a melody of whimpers
and sighs falling from her plush pink lips.
Liam stands up, Zayn hoping that he's going to get a condom. He looks down at
Zayn's perfectly round ass, hands caressing the skin in circles. He backs away,
contemplating whether or not he should go get a condom. With a shrug, he just
pulls his dick through the hole in his boxers and hooks two of his fingers into
the black lace, pushing them to the side.
Zayn gasps in shock as the blunt tip of his cock pushes inside her. For a split
second her mind panics at the thought of him not wearing a condom, but every
single thought is quickly erased from her mind as he pushes in more then drags
out, his huge cock hitting every sensitive spot in her on the way.
Before Zayn can even get out so much as a moan, Liam has his body draped over
her back, using his weight to both force her over the rail and fuck her harder.
Zayn whines out as she involuntarily clenches around him in fear, adrenaline
heightening every sensation. She stairs down at the sofa and tv, her eyes
flickering to the front door. Their parents could be home at any second. Zayn,
fucked up as she is, imagines the looks of horror on their faces if they saw
their son fucking into his step-sister over the wooden railing of their
landing.
Zayn gasps suddenly, walls quivering in waves over Liam's cock as she cums
unexpectedly. Liam, in turn, jerks and accidentally spills into Zayn before he
can pull out.
Before either of them truly have time to panic over that, the doorbells rings
and Liam is scrambling into their room. Zayn, sighs in annoyance, pulling up
her shorts and heading for the door.
Surprise, surprise. It's Miss Ana Noble looking thoroughly pissed. "Where is
Liam? I've been calling him for the last half hour. He was supposed to be at my
house at three!
"We had chores to do. He was mowing the lawn," Zayn replies, not lying. She
makes sure to keep her backside facing away from the angry blonde as she lets
her in the house. It probably wouldn't do either of them any good if she saw
her boyfriend's cum leaking down the back of Zayn's legs.
End Notes
     Why did I do this again? I love these characters so much, but it's so
     hard for me to write smut. I started this in September and literally
     didn't finish until today.
     Anyway, I'm sitting on the idea of writing a 3rd one and introducing
     either Louis or Perrie.
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