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The Certainty of Chance

Summary:

Out on a scouting mission, Hiccup accidentally consumes something more often used to stimulate good times for all. Good thing the spirit of the north wind is around to lend a helping hand.

Notes:

This is 5.5k of absolute smutty nonsense that fell out of my head because I couldn’t find the Hijack crack I wanted today. Sorry not sorry. They’re adults now, fully consensual, no mpreg (yet). Usual warnings etc! No beta read, not proof read, the fun stuff starts halfway through.

Work Text:

Winter on Berk is blue. Blue air, blue light, blue ice. Lips and fingers hardened against the relentless cold. It's better, of course, since the dragons arrived with their fire: warm, solid companions who make life on this rocky archipelago infinitely more bearable.

But the dark nights and short days are hard, even more so when supplies run low and the glow of the sun barely melts the ice that frosts Hiccup's beard.

He sighs, leaning back on Toothless, arms outstretched as his friend soars higher through layers of cloud kaleidoscoped with the greens and pinks of a magical borealis display. A solar flare missed by the sleeping village below.

The black dragon hangs under the stars, then twists and dances back down to earth, skimming foam-flecked waves as they leave Berk behind again. It will be warmer further south - not by much, but every degree increases the chance of finding the fruits, berries, mushrooms, nuts needed to supplement the grain stores, the mead stores and the meat-heavy diet of a Viking winter.

They leap with flying fish, glide with eagles and ride air currents while looking out for new outposts, islands, anywhere that might hold what they're looking for. It's the end of the fifth day when Toothless yawns and shakes his pitch black head, wings rippling and jolting his rider out of daydreams about his friends, his father, the future. Green eyes peer around at Hiccup, and a soft chuff tells him land is close.

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"This is a new one, eh Bud," says Hiccup, taking in the unfamiliar land mass below. Peaks and valleys. Forests and still lakes that reflect the Nightfury's sleek form as he streaks silently across the surface.

The lake they land by is immense - and although there are signs of other beasts in the footprints and scorched earth, for now it is just the man and his dragon - and a cool wind that swirls around them, lifting Hiccup's hair as he stretches the aches and kinks of the long ride.

This wind is curious. Gentler than the storms they left behind on Berk, stronger than the still surface of the lake implies. Hiccup reaches out a hand, then shakes himself. "I don't know about you Bud, but I'm starving. Fish for dinner or do you want go see what else is around?"

Toothless chirps, muscles bunching as he arrows into the air and over the rocky cliff behind them. "Guess you're as sick of fish as I am," he laughs, sorting through the baskets he'll store whatever they find in this peaceful place.

Because it is peaceful. Too peaceful, maybe? Hiccup shakes his head, battling years of hyperawareness, and ploughs into the damp woodland that lines the lake. What a find! Winter hasn't yet gripped this land, and there are fresh hazelnuts and walnuts, wild plums, and glossy lingonberries, bilberries and blackberries. There are mushrooms, too, yellow chanterelles and forest brown boletes he plucks carefully and places to one side.

Toothless is back when he returns to the lakeside, huffing contentedly and nudging the haunch of... something... towards him.

Hiccup's eyes light up. "Thanks, Bud! Well this certainly beats haddock. Or herring. Or mutton."

As the sun sinks, he cooks strips of meat on the fire and tosses in handfuls of nuts and mushrooms, learning against the warm, comfortable bulk of the dragon

"Well, Toothless," he says later, sleepy and sated, "mission successful. This was a good find, eh. Let's head home tomorrow and send a full-on foraging party."

He shivers, not just with the cold, and closes his eyes to the flames as the wind caresses him to sleep.

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It begins about an hour into the flight home, the island a speck on the horizon behind them. An itchy, squirming sensation that starts in his core as butterflies, then radiates down his limbs until his head and fingertips tingle. His restless shifting has Toothless slowing, glancing back at Hiccup's racing heartbeat and shallow pants. The fine sheen of sweat that doesn't tally with the cold headwind as they rush north.

"Yeah, I'm not sure what's going on either," he says, frowning, taking a shaky breath. "Let's keep going, though, we've come too far to head back now."

The dragon's ears flutter in disagreement, but he puts on a spurt of speed and flies on. They glide for another hour, but the cold wind does nothing to cool a growing heat inside Hiccup; every breath instead stoking an ember that pulses and grows.

He lets out a quiet groan, hunching over the dragon's neck, laying an overwarm cheek against the soft skin and closing his eyes, limbs growing lax as soft tremors wrack his frame. Toothless chuffs again as the human begins to slide from the saddle, and angles his body in support as he sweeps round in a large arc, and aims back towards the island they left, the north wind urging them on.

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The sun is setting when Hiccup opens his eyes again, limbs heavy, mouth dry, stomach lurching like he's lost a mead drinking contest with Astrid. Again. But then a pulse of... something... forces him upright with a gasp, and he takes in the lake and trees of the island, Toothless pacing and chirping in front of him, tail lashing. Soothing, guarding, defending.

Defending him from what? He follows the dragon's gaze upwards, to the tallest tree lining the lake, where curious eyes peer down. Blue eyes, blue like a Berk winter, in a pale face, under a shock of ice white hair. The face grins down at him, before an angular boy dressed in blue steps into the air and floats down, leaving a sprinkling of… snow? in his wake, and swirls of frost beneath his feet.

"You came back!" the boy says happily.

First thought: No, not a boy, a man really, now he's closer and Hiccup can see the fine laughter lines etching his face.

Second thought: he's beautiful.

The creature - he's clearly more than human - steps closer, pausing only when Toothless stills, snarling. He sobers, placing one hand over where a heart would be. "I won't hurt your friend," he says. "On my honour as Jack, spirit of winter and the north wind."

The snarling stops, and Toothless tilts his head, eyes narrowing, nostrils flaring at the ice and pine and juniper scent before him. He steps back silently, drawing level with Hiccup to rub his head against the human's.

Hiccup smiles faintly and takes a breath to stand, the strange tingling buzz in his body still pulsing through him, adrenaline fizzing, making his belly swoop and his limbs tremble. He leans against the solid bulk of the dragon and takes in the figure before him. The sharp cheekbones, the bare feet, the wooden staff, crooked at the end and emitting a soft light.

"Spirit of winter?" he asks. "You've been doing a good job back home, but it's still autumn here."

Jack grins. "Not for long, the island's time will come. But I got... distracted." He held Hiccup's gaze. "I haven't seen dragon riders this far south for a while. You're scouting? Foraging?"

"Both. We were heading home when... Woah"

Hiccup slides down the dragon's side again and lurches forward, dizzy, head between his knees. Jack is next to him in an instant, carried to his side by a sharp breeze, hands hovering over the shaking form before him.

"What is it, what's wrong?" he murmurs urgently. "You're tired? Unwell?"

"Both?" Hiccup repeats, wryly. "I don't know. This morning I was fine. On the journey home, not so much, since this overgrown lizard brought me straight back." He sits up and quietly nudges Toothless with his shoulder. "Thanks, Bud."

Jack straightens, frowning. "There's a cabin not too far away," he says. "Already abandoned for winter. Warm and dry. A bed. About a mile. Can you make it?"

"We can try," says Hiccup, "though honestly? I don't need warm right now. I feel like I could dunk my head in a glacier."

He glances up at Jack, and grasps his outstretched hand, jerking slightly at the cool, tingling sensation buzzing up his arm from where their skin is touching. Jack reaches his other hand to cup Hiccup's jaw, then runs the back of his hand over a scorched forehead.

Eyes troubled, brows raised, he asks, "Do all humans run this hot?"

"Mmm," says Hiccup, eyes closing as he leans into the blessedly cool touch. "I mean no, not usually. He opens his eyes with a sigh. "We should probably find that cabin."

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"This human," thinks Jack. "This Hiccup. Why does he fascinate me?"

Jack knows people and dragons, sees hearts and bonds, and rarely - ever, if he's honest - has he come across someone so shot through with care and courage, love and strength. All wrapped around am intoxicating smell of thyme and woodsmoke and wild honey

They make it to the cabin, and Hiccup slumps on the edge of the pallet bed, shoulders tense, head bowed. It's too small for Toothless, who is prowling outside, but his shadowed form is silhouetted against the trees through the windows Hiccup insisted on having opened.

Jack crouches in front of him, balancing lightly on the balls of feet that Hiccup is almost sure aren’t actually touching the floor. "Ok, let's figure this out," he says. "Are you injured? Stung? What did you eat or drink here?"

Hiccup takes stock of his body flexing and stretching tired muscles. "No injuries, no bites no stings," he confirms. "We drank from the lake, but Toothless said it was clear and I trust him. He caught venison. There were mushrooms, nuts, fruit, but all ones I recogni... What is it?"

Jack had stilled as he listened, and now looks around urgently. "The mushrooms," he says. Do you have them here?"

Hiccup gestures towards the baskets left hastily by the door and Jack moves swiftly, swifter than the eye, to rummage through them. He stills again and lets out a low groan. "Oh no. Hiccup this is really... not great."

He turns serious blue eyes to the figure on the bed. "These are not the same mushrooms as you would know in the north. They look the same, like exactly the same, but here the climate changes the compound structure and… they're used for purposes beyond nourishment."

Hiccup sighs and rubs trembling hands over his face. "They're poisonous," he says bluntly.

"Well, yes," says Jack, "but they're not used for killing! They're used for... something else."

"Care to elaborate?"

It's Jack's turn to sigh, as he joins Hiccup on the bed and turns to face him. "They're used in fertility rites," he says, a faint blush staining his sharp cheekbones. "Among other things. Couples who are looking to create new life, dearest friends who want to celebrate carnally, even close knit groups who want to experience nirvana together.

"But Hiccup," he adds, seriously. "They are never to be eaten alone. The compounds open your heart and lower inhibitions. You'll crave intimacy and your body will prepare you for that and will not stop until it's satisfied. It's a long process, a shared experience of heart and soul. Your body and mind will want to be cherished, and not getting that can be..." He pauses, thinking of the right word. "Devastating."

They sit in silence for a moment.

"The fever is part of this?" Hiccup asks eventually.

"I would imagine so. Although you seem hotter than others I've seen in this situation."

"And I don't have time to get home?"

"You might, if you're strapped in tightly enough and have a companion there to help you."

Hiccup cringes at the thought of asking that of his friends. "And if I don't find this intimacy, things would be bad."

Jack nods, slowly. "I'm sorry," he says. "It takes about four days to come into full effect. You'd survive, but I wouldn't wish this on anyone, especially not on such a beautiful soul."

Hiccup arches one eyebrow. "You think my soul is beautiful?"

"Of course! Spirit, remember. We see souls, and yours… There is no malice in you, Hiccup. No spite, just courage and the bravery to make the plans cooked up by this big brain a reality."

It's Hiccup's turn to blush. "That was you by the shore, wasn't it?" he says with another faint smile. "Before we left. Spirit of the north wind. It felt like you were helping us, protecting us."

"Yes. I wanted to reach you. I needed to…"

Their eyes locked before Jack glances away. Hiccup reaches up to cup his face and draw him back.

"Jack," he begins. "Would you stay with me for this? You see me like no one ever has, and the thought of sharing this with anyone else feels... wrong."

Jack lets out a shaky breath, eyes glittering. "Are you sure? Hiccup, are you sure? Because you could make it home. I would help you, command the wind in your favour."

Hiccup nods slowly. "I want it to be you. It needs to be you. I don't know why, but it does." He smiles. “I'm certain. I'm taking a chance. Will you?”

Jack reaches up and places his cool hands over Hiccup's heated ones, knocking their foreheads together.

"Oh, Hiccup, it would be my pleasure."

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The bed in the cabin is wide and warm, covered with clean furs that cradle Hiccup's aching bones, prosthetic lying forgotten in a corner. The first day, they talk for hours, in between sleeping, eating, and trembling with pleasure when Jack traces cool fingers over Hiccup's skin, his smoky honey and thyme scent getting stronger by the hour, mind hazy as his body adjusts.

On the second day, Hiccup can't bear the rough texture of his tunic and strips carefully. Jack strips too, Hiccup easing the blue garment over stretched arms - then it's Jack's turn to shiver, as he watches Hiccup caress heated hands over lean muscles, learning the contours and dips and valleys of pale skin, avoiding intimate areas, too sensitive to touch as the compounds takes hold of biology, preparing Hiccup for his chosen companion - which triggers a change in Jack, too. Spirit of winter he may be, but even spirits can't resist the call of companionship. Jack gets colder though, not hotter, a permanent flurry of crystal flakes now following him as he glitters around the small room

On the third day, they kiss. It's morning, Toothless has delivered more meat and Hiccup hops to the table where the jug of water sits. His skin feels too warm, too tight, and he feels desicated, inside and out. He gulps the cool water, almost groaning at how it soothes his parched flesh, moaning as Jack materialises behind him and runs cold hands down his arms, leaving raised flesh in their wake.

Hiccup turns slowly on one foot, caged in Jack's arms. He stretches his neck, head tilted, and the distance closes. Lips meet, ice and fire collide in a gentle explosion of worlds and pleasure thrills through them both. Hiccup's skin melts as Jack's cooks, and tendrils of euphoria pulse through flesh and bone.

The kiss deepens, soft lips learning a new dance that makes them tremble and grip each other tight. Makes them taste ice and fire, dawn and dark. They break for breath, clutching wildly at each other before tripping and stumbling back to the bed.

"Tomorrow," Hiccup breathes, between kisses. "I think I'll be ready tomorrow."

Ready for what, he's not sure, but this burgeoning, burning feeling inside him has been growing and growing, and he doesn't know how much more he can take. And besides, a hazy, aching, pulsing throb between his legs - which made touch there impossible until now - has simmered down to something bearable.

For Jack, the experience is also something wholly new, his proximity to Hiccup's changing biology a catalyst for a change in his own that sees his breath mist in front of him with every exhale, and ever more intricate frost patterns spreading out from where his bare toes touch the floor. His own scent has grown too - a pine and juniper aroma that merges with smoked thyme and honey to create something new between them. New and vital.

"Tomorrow," he agrees, holding Hiccup tightly.

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Jack wakes to the sound of whimpering from the furs beside him, Hiccup on his back, trembling, tears leaking from behind closed lids as his hips twitch in small, abortive movements that make the furs rustle and Jack's skin sing.

"Hiccup," he murmurs, placing a cool hand on the heated flesh and wriggling closer until he is fully flush with the man beside him. The relief for both is instant, and Hiccup's eyes flutter open, hazy with sleep. He rolls to face Jack, gasping as their chests meet and cocks tangle, breathing in the unique scent that is all Jack.

Jack smiles, his own body tingling as Hiccup's warmth seeps into every point of contact. "There you are. Hungry?"

Hiccup shakes his head, beyond words as he burrows into Jack's neck, grasps his hair, kisses him with a desperation fuelled by dragon rider fire. Jack's lips meet his, cooling the inferno his body has become.

Jack grins into his mouth and strokes auburn hair that dazzles in the morning light. "You're ok?" He asks. "You're ready for more?"

Hiccup nods. "Yes," he whispers. "Please. I don't know what I need, but..." He breaks off with a moan as a spasm deep inside him ignites an implosion of pleasure that has him grasping at Jack's hair and the furs behind him. That has him curling inwards to escape a pulse of pleasure so intense he feels the strange urge to cry.

"Please," he whispers again, eyes wild.

Jack eases Hiccup onto his back and looms above him on strong arms, breath misting between them as he peppers cold kisses over the flushed face below. Hiccup locks arms around Jack's chest and pulls him closer, relief washing over him in a wave. But it doesn't last long. Inside, he burns.

Jack kisses down his neck, finding a sensitive mark below his ear that makes Hiccup gasp and writhe. He continues lower, over sharp collar bones and a smattering of dark chest hair, soothing sore nipples with a cool tongue, sucking and licking until the dragon rider squirms. He moves to the other nipple, drawing out a long low moan.

Lower still, making Hiccup's skin pebble and stomach muscles jump as he dances cold finger tips across smooth skin stretched over taught muscles. Jack's tongue follows his fingers, reaching the dark thatch of curls that frames his cock, which is full, hard and oh so hot. He takes it in his mouth, one swallow that makes Hiccup moan and cry out as the temperature difference jolts synapses, making him swell further, jumping in time with his pulse.

Hiccup's hands find Jack's head, the warmth of his fingers melting the ice crystals glittering his hair. "Jack,” he gasps, “oh Thor alive… please… don't stop…”

Jack hums around his cock, the smoked thyme and honey sweetness going straight to his own member, swaying full and heavy below him. Hiccup tastes like he smells, and Jack urges him on, watching his new lover arch in pleasure as his own thumbs stroke lower, past drawn up balls to an unexpected softness, a surprising wetness, a sensitive bundle of nerves that has Hiccup's eyes flying open as he comes down Jack's throat, hands spasming, back arching with a muted cry as pleasure swamps all coherent though. Every breath a tortured moan.

Still twitching, Hiccup draws Jack up his body, clinging tightly as his still-hard cock ruts against Jack's iron-hard, iron-cold member. "Sorry," he says softly, breaths still shuddering. "I didn't warn you, and you didn't come and I think things have... erm… changed down there. I've never felt whatever... that was."

Jack hums into his hair, then sits, holding his hands, frowning. "I hurt you?"

"No! Gods no. So good I came like... Well, you saw how I came. It was just different. Amazing, but not something I'm particularly used to." He grins ruefully. "I'm afraid to look."

Jack's eyes twinkle. "We'll look together. The compounds change people, sometimes physically, to prepare them for the companion in close proximity most suited for them. It’s temporary but it works both ways. I've changed too."

"Oh yeah?" Hiccup eyes Jack's cock, reaching out to stroke a hot finger from root to tip, tracing the slightly raised rings of flesh that now circle the whole length, making him hiss with pleasure.

"Yeah." Jack's voice is strangled. "These ridges? They're new and the base feels... thicker."

Hiccup swallows. "Ok," he says. Let's hope these compounds know what they're doing. Because that was amazing but I..." He grimaces as another spasm cramps his insides. “I’m not sure how much longer I can wait. There’s this need, this… oh, I don’t know, this feeling, deep inside.” He closes his eyes on a slow exhale as Jack eases him down once again.

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Jack parts his legs gently, cool thumbs rubbing inner thighs, rubbing higher, noting the balls still drawn tight, and a soft entrance, pink and new, nestled between the root of Hiccup’s cock and the swell of his arse. He pauses, and cocks his head.

“Erm…” he begins. “You have a…”

“A what!?”

“A new… doorway. At least I think it’s new, you tell me!”

Hiccup jerks up and glances down with a sigh. “Yep, that's a new one,” he said, shifting back uncomfortably. “But it felt amazing when you…” He breaks off again with a tortured moan as Jack kisses the inside of one knee and gently strokes the soft folds, body undulating with gentle urgency that makes him shiver and keen.

Jack kisses closer, licking down the Y of his thighs, branding Hiccup with ice cold trails, closer, tracing the soft entrance with the tip of his tongue, sucking the sensitive folds and making the dragon rider sob as the blissful ache tingles, flares, coalesces.

“Inside,” he gasps, need burning bright and hot. “I need… Inside.”

Jack finds and flicks a sensitive nub under the hood of the folds and slips one slim, cold finger into the heart of Hiccup’s heat, letting out a moan of his own as his digit is swallowed by a furnace. His breath comes in short, sharp pants as Hiccup writhes and cries out beneath him and he slips another finger inside.

“Deeper? Please?” Hiccup whispers. A third finger, but not enough and he stills Jack with a touch to his shoulder.

“Would you…” He glances at Jack’s dick, pale skin flushed and taut. “Only if you want…”

“Oh sweetheart,” Jack grins, stretching over him once more and lining them up. He’s trembling too, with the effort of holding back, as he notches his cock to Hiccup’s new entrance, as he lets out a slow breath, as he breaches the sacred inferno that is Hiccup’s body.

Hiccup yells, back bowing as Jack’s cock melts him from the inside, and he comes from deep within, walls fluttering, flesh pulsing before his lover is halfway in.

“Don’t stop,” he wails. "Oh gods, oh Thor alive, don’t stop.” His legs lock around Jack, cock trapped as his body moves desperately, as he tries to fuck himself on Jack’s length, coming again as Jack’s flexing cock nudges a raised bundle of nerves never before touched.

Hiccup is a live wire of sensation, of ecstasy as he yells his release to the ceiling. Chanting Jack’s name, moaning as his dick surges deeper, harder, the ringed ridges caressing nerves and building his pleasure higher. He’s lost to orgasm again and Jack grits his teeth as he bottoms out, the head of his cock nudging a throbbing, pulsing core, the ridges massaged by spasming walls that make Hiccup’s legs shake.

He eases out carefully, thrusts back with a groan into the molten heat that is fast feeling as much a home to him as the air and ice, and sets a fast pace, faster, faster, that drives their joy onwards. Hiccup peaks again, head thrashing side to side, keening, eyes rolling as Jack speeds up to reach his own end, dick throbbing and swelling until finally, finally, he comes with a cry, a spasm of joy, jolting and twitching with a release that goes on and on.

Shards of euphoria spear through his veins, pulsing from his own core as the pheromones swirl around them and wrap them in deep joy, in companionship. Another jolt. Another moan. The base of Jack’s cock feels sore and tender, like it’s been burned by more than Hiccup’s heat. He stills, panting, and makes a small sound of alarm as he realises this part of him, cocooned in Hiccup’s channel, is swelling. Very slowly, but enough to lock them as one, to knot two bodies together, to make parting impossible.

Jack closes his eyes in a moan of rapture as his lips meet Hiccup’s and they arch and strain against each other, chasing heaven. Another orgasm. Another, as bliss burns bright and hard down his cock, his limbs, his fingers, his scalp, setting his white hair on end. As the overwhelming ecstasy simmers down. As he continues to thrust gently, shuddering, easing his lover over a last sweet peak that has them both sighing, kissing, breathing each other in.

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When he agreed to be the companion for a dragon rider, Jack’s mind hadn’t quite computed what this would mean for his body, for his emotions. He’d told Hiccup that couples used the mushrooms to create new life - and he imagined that was behind the physical changes to Hiccup’s form.

But what of his own changes? He was a spirit; fatherhood was impossible for him. Yet he had knotted his lover - and could feel deeper changes within his own core too. Ones that left him breathless and fidgety as he waited for Hiccup to wake.

Was their compatibility more than one of convenience?

In the dappled light, he watches shadows play over Hiccup's face, still warm, but not quite so feverish. He smiles as Hiccup’s eyes open and takes in Jack’s own flushed form.

“Oh my gods,” Hiccup says, launching himself at Jack. “Are you ok? I’ve never heard of anyone orgasming for so long or so hard. It should be impossible. You should be impossible.” He shrugs. “But so should dragons. So hey.”

Jack grins at him, catching arms and legs and pressing a slow kiss to a warm temple. “I'm fine,” he says. “You're feeling better?”

Hiccup grins back. “For now,” he says “but I still feel strange. Like a fire has been banked, but not put out.” He frowns at Jack. “And you?”

Jack stretches and yawns and glances down at himself. “It's like how you described,” he admits, blushing, “like there's an itch deep inside that I can't quite reach. No extra equipment for me though, it would have to be the… erm… usual way…”

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For Jack, the build up is subtle. Frost patterns become scattered and his blue eyes become bluer. Fine tremors wrack his slim frame and eventually, he gently leads Hiccup to the pile of furs, on his knees in a heartbeat as he slowly rocks back and forth without conscious thought.

They are both experienced, but both surprised when Hiccup kneels behind him and finds no need for oil of any kind. Jack's star is dripping, twitching as Hiccup passes the pad of a finger over the delicate skin and he makes a low sound.

“Please, Hiccup,” he whispers, the rocking more pronounced now as he seeks something, anything to fill the growing void inside him. Hiccup watches the star wink in desperation, grasping at nothing, and he leans in, licking at the slick experimentally, pine and juniper bursting on his tongue. He probes deeper, softening the skin, relaxing the muscle that throbs in time with Jack's shuddering breaths. He hooks in two thumbs as his tongue burrows in, and the burn of the stretch has Jack growling.

One finger, two fingers, three fingers and Jack keens, hunching in on himself in a desperate attempt to draw Hiccup deeper, to ignite the spark he can feel pulsing bright inside him. Hiccup rubs his cock along Jack's entrance, coating himself with the cool, slippery substance that will ease his way inside. He kisses up Jack's spine, holding his shoulders still as he slowly pushes in.

Jack shudders, eyes closed, muscles rippling as desperation makes his breaths shallow. Hiccup is long, long and hot and burns him from the inside. Long enough to reach that point deep inside and set the fuse that ignites with every jab. He speeds up, bringing Jack to a fiery edge before slowing down and setting a tortuous pace in time with his breaths. A shuddery inhale as Hiccup pulls out, a wanton moan with every thrust back in.

Hiccup pulls Jack up to his knees, his cool back a balm to Hiccup's heated front. Jack reaches back to grip scorching thighs as Hiccup kisses his neck, reaches round, one hand tweaking tender, aching nipples that mainline pulses of need to his groin, the other gripping his cock, jacking Jack who nearly buckles in sweet relief. He whines, unable to keep quiet, chest out, arse out, back bowed as he chases a supernova that is tortuously out of reach, matching his lover thrust for thrust. Hiccup moves to the other nipple squeezing sharp joy that elicits another moan of ecstacy. Another as his other hand moves faster, skating the sensitive ridges before Jack lurches forward with a cry, onto his arms again, arms that give way and trap Hiccup's hands below him.

“Hiccup, please,” he begs. “I can't… I need to… Please, oh… I need…”

Jack ruts against the furs, mindless with euphoria, voiceless now, mouth open on a silent scream as his release coats bed and hands and skin. The contractions ignite Hiccup's own release and he comes too with a shout that echoes off the roof, the trees, the cliffs, bathing Jack's insides with molten heat and a fire that burns bright.

It burns on, Hiccup thrusting and thrusting, still hard, not sated, chasing an ending that lies just beyond his grasp. He whimpers as Jack comes again, a hoarse cry as contractions ripple along his length, pure feeling building higher and higher.

Hiccup jerks out and rolls Jack onto his back, Jack, whose cock is jutting angrily, pulsing in time with his racing heartbeat. Hiccup straddles him, his own slick arse welcoming the icy rod that's a balm to his soul. He gasps in relief, leaning back against Jack's raised knees as his lover looks up at him in wonder.

One cool hand reaches forward to grasp Hiccup's hot member, fingers on the other stroking, caressing the soft, swollen lips of his new entrance. Slowly, tortuously, cold fingers spear him, finding the sensitive nerves deep inside the makeshift cunt, while his thumb runs gentle circles over the hooded nub. Hiccup makes an overwhelmed sound as he fucks himself backwards onto Jack's cock, forward onto his fingers and through the right grip on his cock.

“Jack!” he cries. “Oh gods don't stop. Deeper… Please… Thor alive, more.” He sobs, desperate now. “Faster, please… oh gods, it's not enough… Oh… Oh I'm… I'm going to…”

Jack's thumb moves faster, so does the hand around Hiccup's inflamed cock and Hiccup hangs, suspended in tension, finally… finally… falling. He screams his release as he comes with a full body convulsion, arse spasming, cunt clutching, cock jerking, pleasure points overwhelmed as he cries and twitches through his release. He comes again, aching and straining, the smoked thyme and honey scent swirling the air. A third time, as Jack’s own release bathes his molten core in rhythmic throbs. Jack, who sobs his own release now, arching up into Hiccup's heat, grasping his hips and filling him ever deeper, stilling as the swelling at the base of his cock balloons once more, and he howls his bliss to the sky.

They are locked again, at peace. Breaths evening out, pulses slowing. Until Jack shifts and Hiccup cries out and strains in immediate orgasm, sensitive insides locking in rhythmic cramping that sweeps sweet sensation through his very core. He whimpers, tears trailing his cheeks as pleasure overwhelms him. Then it’s Jack’s turn, Hiccup’s rippling core making his knot jerk and convulse, every involuntary clench a joy that has him moaning and shivering.

They come together like this for the next half an hour, lost to sounds and sensation. The impossible pressure of Jack’s knot stretches Huccup’s nerves to nirvana; the constant vibrations of Hiccups' silky walls giving Jack’s swollen member no respite. Eventually, Hiccup mewls and falls forward, Jack catching him, gasping as the movement sets off another round of contractions, wave after wave of desire hammering through them. Heat balancing ice. Snow purging fire. Rippling. Changing

They soar, they drift, they moan. Silent tears fall, and they sleep.

----------------

When Hiccup surfaces a few days later, sore and replete, it is to find Astrid on a rescue mission, camped out on the lakeside with Stormfly, arguing with Toothless, who is stomping on what looks like the remains of a basket.

She rounds on him, hands flung up in exasperation. “Will you please tell this overgrown dung beetle that I am perfectly capable of recognising edible mushrooms?!”

“Astrid,” he grins, “It’s probably worth giving those mushrooms a miss.”

Jack rounds the corner and laughs, taking Hiccup’s hand in his. “Or maybe,” he laughs, “just save them for very, very special occasions.”