
Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/2075427.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      Hunter_X_Hunter
  Relationship:
      Gon_Freecs/Killua_Zoldyck
  Character:
      Gon_Freecs, Killua_Zoldyck
  Additional Tags:
      Alternate_Universe_-_Creatures_&_Monsters, Alternate_Universe_-_Fantasy,
      Frogboy_Gon, Hunter_Killua, Interspecies_Romance, Weird_Biology, First
      Time, Ambiguous_Age, Oviposition, Wordcount:_1.000-3.000
  Stats:
      Published: 2014-08-04 Words: 2473
****** Safe As Tadpoles ******
by inelegantly_(Lir)
Summary
     There's a monster hunter who frequents the area around Gon's pond.
     Even though he knows he should feel wary of a person who kills his
     kind for money, he can't help developing a fondness for the hunter
     he's befriended, when with Killua he just can't find it in himself to
     feel truly afraid.
Notes
     This is for Misi for her birthday. It's a pretty weird premise, but
     weird or unusual premises are kind of my specialty, and the execution
     of it is a lot less weird than I originally anticipated.
     It's perhaps relevant to share that male frogs do have cloacas, and
     that with quite a few species of frog, the males help or solely
     guard/raise the eggs/young, and in some cases do carry eggs/young
     inside their bodies in various ways. But beyond this rudimentary
     research into frog reproduction that I totally did perform, I hope no
     one is expecting biological accuracy in an AU where Gon is a frog
     monster and has sex with Killua anyway.
     Their ages are never stated, so it's possible to handwave them as
     being whatever legal age readers prefer, though I know I write them
     so they feel young, and for that reason I still tagged this underage.
-
Gon's head breaks the water just in time to hear the tiniest skid of a pebble
across the pond's rocky shore. He knows it's that white-haired boy who
periodically comes by, even before his bright eyes light on the familiar shock
of hair, even though the boy coming out of the trees is deadly silent when he
wants to be. Gon's feet kick in a smooth, spreading arc, driving him swiftly
toward the shore.
He used to see the boy in the woods sometimes, when he ventured out of his
pond, but he can't do that any more.
Gon can't abandon the raft of eggs floating on the water like seafoam, tethered
to each other and to the thick trunk of a fallen tree jutting far across the
pond's surface. He has to watch them, guard them, make sure no animals try to
eat them. He doesn't know what would happen if he left them long enough to go
into the forest; he has to take advantage of the boy's presence by his home
while he can.
"Hey!" he calls out cheerfully, as he propels himself into the last deep dip of
water before the shallows along the shore.
"Hey yourself," the boy says, strolling forward until his sneakers are daring
the ripples of the pond's subtle waves to reach them. His hands stay shoved in
his pockets.
He smells like blood, like quick death, sharp and acrid on the back of Gon's
tongue when he breathes in. He kills things like Gon, and the remembrance hits
Gon all at once, sending an electric ripple of fear prickling all the way down
his spine. It puts him on high alert, makes his blood buzz with the awareness
of danger that comes from being hunted, but he doesn't shy away. He just takes
another breath in, holding the taste of the threat warm inside his mouth.
"Did you have a job today?" he asks, bright and curious.
"I – yeah," the boy says, like he's been caught off-guard.
Gon grins, at the victory in that, at the joy of being right. It wasn't a hard
guess; his friend only smells this way if he's been doing work. He might hunt
monsters, but Gon feels safe as tadpoles, because no one would ever pay his boy
to hunt him.
"You smell like work," Gon says, not thinking twice of how it sounds.
The boy almost-flinches, making a reflexive little jerk of surprise before
offering the particular crooked grin that Gon knows so well. It stays on his
lips when he asks, "Is that so?"
Gon nods, firm on the exhale from another sharp breath, the smell of predator
by then so thick in his nose that nothing else can overtake it. His boy smells
like work, like the tang of sweat and the sour of his success, an overall aroma
that should startle Gon back into his pool so his head ducks all the way out of
sight, but which only has him paddling faintly closer. There's a magnetic pull
to it, and he remembers his raft of eggs, floating just out of sight, and
remembers that there are still ways he has to tend to them.
"Hey, Killua?" he starts, reveling in the little shiver he picks off his boy's
skin, not so much a motion as a feeling of heat he can perceive from some sixth
sense awareness native to his species. "You're pretty impressive, aren't you?"
"I guess you could say that," Killua replies with badly-posed modesty. "I think
I'm pretty cool."
Gon grins, and heaves himself a last length closer, pulling himself out of the
water to crouch where the waves coming in along the shore will only just keep
him damp and comfortable. His knees pull up, toes spread across the rocks and
hands braced between them, all of him glistening a moist brown-green in the
late afternoon sun.
He doesn't stand up, his legs feeling so much more comfortable at an angle,
bent in a pose most like the frogs he's distant cousin to, but he does tilt his
head to the side. It's an inquiring look, a weighing look, seizing Killua up
even though he thinks he'd made his decision as soon as the possibility
occurred to him.
"Hey, Killua," he says again, not a question this time, not exactly. "Will you
kiss me?"
Killua splutters, a wet, thick mouth-sound like he's tripping over his own
tongue, before he bites his teeth down on it. "Gon!" he barks out when he's
able. "You don't just ask people to kiss you. Every time I almost forget that
you're – you know."
He waves his hand at all of Gon, like he's trying to take in the speckles down
his back and the round shapes of his elongated toes and the shining brightness
of his too-huge eyes all at once, things that Gon knows he is, without knowing
or caring why it matters. "You say something like that, and I have to
remember."
Killua doesn't finish with "that you're a monster," though, and Gon finds that
inexplicably touching. Stupid, too, because he knows he's one, just like he
knows the word slicks over Killua's tongue like a bad taste when he has to say
it around Gon. It's considerate, but so pointless. It makes him grin too wide
all the way across his face.
"I know," he says. "But will you?"
Killua laughs, so that it's almost a scoff, so that there's a little
disbelieving edge to it. He laughs like he's going to refuse, but he goes
entirely stiff just for a moment and then limber again, and Gon knows he's
going to drop to kneel on the pebbles instead before Killua even bends his
knees to do it. He ends up right on Gon's level, nearly nose to nose.
"Yeah," he says. "I guess. Since you asked."
Gon has never kissed anyone before, what with being young enough that this is
his very first brooding, but he throws himself into it with a boundless
enthusiasm that belies his inexperience. He darts forward as soon as he has the
okay, pressing his mouth to Killua's quickly, though not hard. As soon as he
makes contact he melts, his smile shaping itself against Killua's lips because
he can't stop his own mouth from curving up.
He thinks, maybe, that Killua's lips are curving too. The thrill of victory
rises in his blood, heady and laced through with a sheer, simple joy at being
indulged. Killua's lips are unexpectedly soft, drier than the slick of Gon's
skin and remarkably pliant. He kisses Gon harder than he'd thought to try on
his own.
Killua's pants are getting damp from the wet rocks he's kneeling on, the birch-
bark white of them darkening to a dirtier gray even where they aren't banded
like the trees Killua camouflages himself among. They're already clinging to
his legs, so it's no problem when Gon slides forward, knees moving to bracket
Killua's hips as he drops himself onto Killua's lap. His hands are at Killua's
shoulders, fingers curled around the bracing shapes of bone, the fine webs
between them sticking to Killua's shirt.
Killua makes a sound against Gon's mouth at the sudden weight of him, but
hardly pauses.
That earns him a rising trill out of Gon's throat, rich with the peeping
undertones of his species' mating calls. It's weird when Killua doesn't trill
back, to some recessed hindbrain part of Gon's mind running solely on the logic
of biological imperative, but the sound Killua does make is deep enough to
vibrate Gon's chest. There's an edge to it, with the way it drops into a lower
register than Killua's speaking voice, with its current of need just as
tangible as the feeling of Killua's hips underneath Gon's thighs.
He rocks lightly on Killua's lap, and Killua gasps, and Gon thinks that all of
this really is even simpler than he first assumed.
"Hey, Killua," he says against Killua's mouth, as he shifts his seat sideways
and back so Killua's breath against his lips stutters and goes uneven. "Will
you help me fertilize my eggs?"
Killua laughs, a sharp, startled sound that Gon can almost mistake for a sob,
and for a moment the corners of Gon's mouth turn down with concern. But then
Killua is scoffing, actually chuckling, and Gon's worry shifts into irritation
that he doesn't get the joke.
"God, could you say something less sexy," Killua marvels, shaking his head to
further telegraph his disbelief.
Gon sticks his tongue out at him. "But that's what I want you to do! I wasn't
trying to sound sexy, I was just asking the question."
Killua is still shaking his head, but the breadth of the motion dwindles down
until he's staring straight at Gon again, his expression going soft and
contemplative. Gon rocks once, experimentally, against him, and both of
Killua's hands snap out to grab his hips.
"Don't do that," he insists. "Jeez, I was trying to make up my mind, the least
you could do is not distract me."
"Sorry!" Gon says, though he really isn't. "So. Will you?"
Killua bites back what was probably a groan, but Gon is beaming and not in a
mood to be deterred by that. Killua composes his features back into a neutral
expression with a visible struggle before asking, "What does that... Mean? What
do I have to do?"
A ripple of puzzlement passes over Gon's face, before he gives a careless
little shrug. "Do what comes naturally, I guess! It can't be that hard."
Killua tries to scoff again, but Gon can feel his win coming. Killua already as
good as agreed. There's no reason for Gon to worry over Killua's last,
lingering vestiges of indecisiveness. He drops his hands from Killua's
shoulders to Killua's lap, right in between his own thighs, fingers catching on
the fastenings of Killua's pants as he says, "We'll figure it out together."
Killua's head jerks once, an abrupt sketch of a nod, and Gon beams at him. He
leans in again, pressing his mouth to Killua's in another fond kiss, as he
fights with Killua's pants fastenings until they come apart under his hands. He
fishes inside, cool, slightly-damp palms sliding over hot skin until they close
around Killua's length.
That earns Gon a soft little huff, earns him Killua's forehead tipped against
his own, and none of it is challenging at all.
Touching Killua is fascinating, every part of him hotter than Gon's usual body
temperature, a radiance like the sun that he can feel even through Killua's
clothes. He feels it so much more intensely from direct contact, his hands
stroking over Killua just to enjoy the feel of him. Each little gasp and heavy
breath out of Killua comes loud in his ears, until Gon is trilling back
constantly, the sound rumbling from deep in his throat like a purr.
It's nice, but not quite what he needs. His own steady humming vibrates through
his skin, until all his nerves feel electric, from the soft pads of his fingers
against the warmth of Killua all the way down to the clenching place between
his legs. He's still a little bit sore, tired, from building even his modest
raft of eggs. It doesn't stop him from going higher on his knees, from curling
one arm around Killua's shoulder for balance as he presses the soft shape of
his belly close against Killua's chest.
Gon sinks down with a bright, triumphant sigh, drops himself right onto
Killua's cock where his hand is holding it precisely in place. It feels so much
nicer to take something in.
"Oh," Killua gasps, low by his ear.
Gon is still smiling, still shifting, pressing himself close on Killua's lap.
"See?" he says. "It's not that hard after all."
Killua laughs, and Gon can feel the vibration all the way up his spine. His
hands fall back to Killua's shoulders for leverage to raise himself up, so that
his body tries to clutch onto Killua for every inch that he pulls back. It's
unlike the pressure he's used to, but not entirely unfamiliar. The feel of
Killua isn't so different from that of his eggs – what's different is that
those, his body expels, pushes past his muscles with such strength that he goes
tense all over, only to melt into a relieved heap when he succeeds.
Killua he clings to, tries to keep inside himself, goes liquid around from
eager acceptance. Killua is the tense one, strung tight so Gon can feel it
under his hands, but he can't help that. He can only help the rhythm of his
rocking, steady on Killua's lap, slow at first but gradually building faster.
He drinks in every little gasp, every groan, every sound, different than the
ones his species make but reassuring him that he's doing this right.
Then Killua's hips jerk under him, and for a moment Gon is worried, afraid that
he's fucked up after all, until all Killua's tension drains out from beneath
Gon's hands.
He feels warmed up from the inside and wants to savor that a moment, pressed
close and safe on Killua's lap. He would have kept going, experimentally gives
it a try, but Killua's hands snap out to keep his hips in place before Killua
shudders out all the breath in his lungs on a sigh.
"That's it, then?" Gon murmurs, soft, curious.
"That's it for a human!" Killua gasps out on the breath of what might have been
a laugh. "What, it wasn't good enough for you?"
"I didn't say that!" Gon protests. He pushes in closer against Killua again,
thighs around Killua's hips. "Thank you."
"You're making it weird," Killua teases, shaking his head faintly back and
forth. "Who says 'thank you' after they have sex with somebody?"
Gon sticks out his tongue, but doesn't take back his thanks. Thankful is how he
feels, warm and catered to, and he lapses into contented quiet for a few long
minutes before it occurs to him that maybe he can't stay that way forever.
"Hey, Killua," he says. "Will you still come back here?"
"Of course I'll still come back," Killua scoffs. "What made you think that I
wouldn't?"
"I don't know," Gon says, abruptly no longer worried. As soon as Killua
promises to keep visiting, he can't remember why he might have expected
anything different. "I just wouldn't like it if you didn't."
"Well, I will," Killua says, like that's the end of that.
Gon grins, and stays cuddled with him, until the call of his eggs has him
disengaging to flip back into the water, until the pull of responsibility has
Killua separating from him to return to his work, parting from each other only
until their next meeting.
-
-
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