Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/11585175.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      Super_Lovers_(Anime_&_Manga)
  Relationship:
      Kaidou_Aki/Kaidou_Haru, Kaidou_Aki/Kaidou_Shima, Kaidou_Aki/Kaidou_Haru/
      Kaidou_Shima
  Character:
      Kaidou_Aki, Kaidou_Haru, Kaidou_Shima
  Additional Tags:
      Implied/Referenced_Rape/Non-con, Implied/Referenced_Incest, Twincest,
      Half-Sibling_Incest, Masturbation_in_Bathroom, Sexual_Fantasy, Anal_Sex,
      Hand_Jobs, Threesome_-_M/M/M, Aged-Up_Character(s), Plot_What_Plot/Porn
      Without_Plot, Alternate_Universe_-_Canon_Divergence, Rare_Pairings
  Series:
      Part 2 of Lines_Crossed, Part 3 of Funky_Writes_Rare-Pairs
  Stats:
      Published: 2017-07-23 Words: 2072
****** Just Couldn't Resist ******
by Funky_Hanji_(Temari)
Summary
     - Behind Aki's closed eyelids, flashes of Haru's skin kept popping
     up. -
Notes
     The idea to add on to Lines_Crossed wouldn't leave me alone, so take
     this. |D
     Ages are: Haru, 19; Aki&Shima, 15.
     After writing more of this AU, I decided to change their ages—this is
     still set after the car accident, but I've thought it'd fit the rest
     better if Aki was 17, hence Haru here is 21. Of course I've added a
     tag for the slight change. ^^
See the end of the work for more notes
Scared out of his mind by what he had done, Aki could only spare enough time to
clean Haru up with shaking hands and haphazardly dress him back up, leaving the
hospital gown loose, only tucking the two ends under the other’s sleeping form,
before bolting out of the room.
He had to get away as fast as he could. His heart was hammering in his chest,
eyes wide and unblinking, flitting about as he reached the elevators and waited
for one to arrive. He had the impression every stare on the floor was boring
into his back, hot with judgement, as if they knew—he was near panicking, but
he could do nothing against it; he was jittery and tense, his breath coming in
quick, shallow puffs of air. The moment the elevator dinged and opened in front
of him, blessedly empty, Aki scampered inside. He pressed the ground floor
button and prepared for the ride down; the slow descent much more welcome now
than it had been on the way up.
Every second extra he could spend alone, away from prying eyes, sounded like
heaven. Back pressed to the far wall, gaze fixed blankly on the metal doors,
Aki did his best to count his breaths. In. One, two, three, four, five. Out.
One, two, three, four, five. His body started to lose some its tension.
A few drops of semen dripped out of his ass and Aki's attempt at collecting
himself shattered. His breath hitched, a shiver running down his spine. «God,»
he chuckled hysterically, realizing he had forgotten to clean himself out,
«this is gonna be a bitch later.»
Standing there, in the relatively safe space the elevator provided, Aki was
hyper-aware of every detail making him look suspicious: his disheveled hair;
his uniform's white button-up shirt wrinkled and sticking to his front, darker,
damp spots showing over his abdomen where the material had absorbed his
release; the feel of his dick rubbing the inside of his pants, because he
wasn't wearing any underwear (in his haste to get out, he had stuffed the boxer
briefs in his school bag); the drying cum on his ass, thighs and crotch, sticky
and soaking his uniform.
Both aniki's and mine, Aki thought biting on his lower lip, heart racing, and
now aniki's cum is leaking out of me, it's mixing together… dammit stop!
The hand hanging along his right side, holding the school bag, twitched; he
exhaled slowly, swallowing back a groan. One more floor. It was not good, as
long as he was alone with his thoughts, his mind refused to stray away from
that hospital room. Behind Aki's closed eyelids, flashes of Haru's skin—both
the sickly pale complexion, battered with bruises from the car accident, as
well as his normal creamy one which made girls swoon—kept popping up, along
with the dark blond curls of Haru's pubic hairs and the feeling of Haru's cock
in his hand, coming to life, with its shape and color. The press of it against
his entrance and his insides as he lowered himself onto it raw.
A moan echoed off of the metal walls of the elevator.
Taken aback, face bursting into flames, Aki snapped his eyes open only to
immediately realize he had let go of his bag, his right hand now pressing its'
heel above a stiff erection. He froze, the impulse to keep going, to grind
himself up into his own hand thought the fabric and get off making his whole
body quiver in urgency. He couldn't do it there, of course. The elevator was
about to reach the ground floor, people would be crowding in front of the doors
waiting.
Putting up with a rock-hard cock rubbing over smooth fabric while he walked all
the way to the station, taking a train during rush-hour, walk into his
grandparents' house—Aki knew he could never make it, if he didn't take care of
his issue first. His decision made, Aki quickly picked his school bag up and
used the arm holding his jacket to cover his stomach and lap, in time for the
ding signalling his stop. Without focusing on the small group before him and
keeping his eyes to the ground, Aki stepped out of the elevator and hurried
along the corridor, eyes scanning for a restroom. A sigh of relief escaped him
when he saw one near the kiosk, on the left of the large main entrance area.
Door closing behind him with a tiny squeak, Aki made a beeline for an open
stall. Locked into the small cubicle, he spared a second to curse at himself
for not making sure no one else was in the restroom before, but when no sounds
besides his own rapid breathing were heard, Aki's shoulders dropped in
gratitude.
He slumped against the stall door, school bag falling from his grasp and
uniform jacket pooling on top of it carelessly. Aki tilted his head downward to
stare at his crotch; he was still very much hard and as wound up as he was at
the moment, he didn't think it would just go away on its own if he waited… He
really had no other choice but to take himself in hand right now, as fast and
quietly as he could. 'No choice' my ass , his brain supplied in his own mocking
voice, quit making up excuses: you want to jack off to getting fucked by
aniki's cock.
«… Shit.» Aki bit his lower lip.
He wanted to deny it, yet his trembling fingers were hovering the button and
fly of his pants; within the next heartbeat they were fumbling as they finally
freed his cock, the slacks' dark fabric stuck to his upper thighs from the
dried cum.
«What the hell am I even doing?» he whispered into the air, but he didn't have
time to stand around and question it right now. Right hand wrapping around the
erection, eyes falling shut, Aki let his mind conjure up whatever it wanted.
Grunts echoed in the quiet room, coming from behind him, feeling like a real
caress pressing on his skin in tandem with the nails digging into his sides.
Each puff of air exhaled alongside every thrust of Haru's cock pushing into
him, unhurried and borderline teasing. Far-off calls of Aki's name stirring him
up more and more; answering moans spilled from Aki's mouth in garbled noises.
Squirming and pushing his hips backward in Haru's hold as best he could, Aki
met his brother's movements with his own. The desperate voice in his head
screamed at him to beg to be turned around—he wanted to see his Haru's face
flushed and vexed, he wanted to see him clamping down on the craving to drive
into Aki's tight heath with all the urgency and lust blazing in his gut.
All Aki could see, though, was the white wall to his right and the pillow
pressed to the left side of his face. It hindered his breathing a little,
soaking up some of his sweat and tears rolling down his cheeks and over the
bridge of his nose. His body rocked with the tortuous pace at which he was
being fucked; it was much, much too slow. Aki wanted to say something, demand,
ask, beg for Haru to go quicker and harder and deeper, but he could not—his
head felt fuzzy, his breathing shallow; he could only lay there, ass in the
air, head down and arms tied at his back.
«Aki.»
A hand appearing out of nowhere grabbed Aki by his hair, making him face the
newcomer, the dangerous tone and dark look in his twin's eyes making Aki
shudder and whine.
«… Shim—ah! » A loud gasp broke out of him as Haru hit his prostate with an
abrupt thrust. «It's not what— you think, I— fuck Aniki-» Aki's explanation
disrupted by groans as the pace of Haru bearing down on him increased- «this is
just— I didn't mean to, it— it happened! I couldn't resist!»
The position Aki was in quickly became uncomfortable; his neck bent backward,
his spine curved downward, all his weight and balance in his brothers' hands.
Aki didn't say anything against it: he was loving every second. It felt
amazing—being taken from behind, deep and precise jabs at his sweet spot making
his guts twist; being the focus of Shima's possessive gaze, flashing dark as he
looked down at him. Aki's heart thundering louder in his rib-cage, his walls
clenching tighter around Haru's cock pounding into him. He groaned, wishing his
arms were free to pull Shima flush against him, to breathe in his twin's smell
and soak up his warmth.
«You'd choose Nii-san over me?» The hand fisting Aki's hair tightened, pulled
up as he stepped closer, bringing Shima's face centimeters from his, his harsh
breaths fanning over Aki's cheeks.
(Even since Haru had moved to Japan, the three of them had always been close
and to him, this just seemed like the next logical step—Shima and him had long
since stepped over that line; Aki couldn't count the times they had kissed,
touched intimately over the years, being each other's firsts in everything—.
Aki couldn't imagine his life without either Shima or Haru in it, and he craved
them both... as family, as friends… as something more. Lovers?)
Before Aki could answer with a vehement «NO!», a whine escaped him—whether
because of the overwhelming craving for Shima's lips and teeth on him, or as a
sign of disapproval at Haru's once-again unhurried pace, he himself couldn't
tell.
A moment later, as if he had read his mind, Shima crashed his mouth on Aki's in
a rough kiss; lips locking and teeth sinking into flesh, drawing blood and
incoherent pleas. Shima's tongue forced its way into his mouth, the angle and
the intrusion almost cutting off Aki's air, spit dripping from his chin,
muffled moans swallowed by Shima as his tongue ravished his mouth, similarly to
the way Haru was pounding into him. Shima separated from him, a wet pop and a
string of drool linking them together for a second, then he put his hands on
Aki's shoulders and slowly made him straighten up. Haru came to a halt behind
him, only the tip of his cock left inside.
«Fine,» Shima conceded in a whisper, sucking at Aki's earlobe, «I can share you
with Nii-san… occasionally.»
Aki's thighs quivered, his whole body burning up from within, his heart beating
furiously in his chest. He nodded, fervent to get whatever Shima was indirectly
offering with his compromise: as his reward, Shima's right hand fisted around
Aki's leaking, forgotten cock, an order sent Haru's way which had Aki sob in
relief.
«Fuck him hard and fast.»
There was no vocal answer from Haru, only a sudden bruising pressure as the
fingers at his hips digged in; the next heartbeat stuttered, as his brother
shoved his cock into him with unmerciful strength, ramming into his prostate to
the point it was painful. The pace was unrelenting. Aki screamed loud and long,
cries of «Yes!» and «More!» breaking the constant stream of begging and the
warbled sounds making up Shima's and Haru's names. The fingers wrapped around
Aki's cock were working tirelessly, matching up with Haru's fierce thrusts.
Shima's mouth on his own, hot breaths mingling, lips scraping together as Aki
was continuously rocked into his twin's body each time Haru buried himself
inside Aki.
Together, l-let's cum together! Shima! An-niki!The coiling in his gut
tightening up, ready to burst by the second.
«Ah! Shit! Ah…!»
Eyes squeezed shut, cock twitching in his fist, Aki spilled a fresh load of cum
on his hand and uniform—great, he thought afterward—, panting heavily and
standing on shaky legs. The sounds of his unrestrained moans still bouncing off
of the tiled walls, ringing in his ears and speaking of dirty, raunchy deeds in
a public restroom; Aki's face and neck were hot in embarrassment and shame. He
didn't move an inch for a few minutes, then he reached for some toilet paper to
clean up what he could.
Eyes staring at the restroom's ceiling, Aki wondered what was wrong with him;
he not only had fallen in love with his twin, but apparently he also lusted
after his step-brother.
«This is so fucked up...»
Fuck, what am I even gonna say to Shima...?
End Notes
     • 107._Just_couldn't_resist.
     Not sure if I'll write more, but I have a thing I had started for SL
     week that I never finished, and which kinda ties to this canon
     divergence series... so maybe I'll add a couple other short fics
     before posting that? IDK.
      
     You find me either here (funkyhanji) or here (littlehermitscave). :D
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