· 13 min read

Underground Desires - part 3

Read Chapter 2

We’re in this together.

You wake up to the sound of Sans’ steady breathing, his body pressed against yours.

The warmth emanating from him feels so comforting, a reassuring reminder that you are not alone in this adventure.

As your eyes adjust to the dim light filtering through the cavern walls, you take in the sight of Sans – his pale skin almost ethereal, his bones visible beneath the surface as if he were carved from marble.

A sense of contentment washes over you as you feel Sans’ hand resting gently on your hip, his fingers lightly tracing patterns on your skin.

You turn to face him, and the look in his eyes – a mix of desire and vulnerability – sends shivers down your spine.

There is no doubt that you share something special; an unbreakable bond forged through the trials and tribulations of this underground world.

“Good morning,” Sans whispers softly, his voice thick with sleep as he pulls you closer to him.

His lips find yours in a gentle kiss, slowly deepening as your bodies mold together like two pieces of a puzzle finally coming together.

The sensation of his tongue entwining with yours ignites a fire within you – a hunger that can only be sated by the touch of this peculiar skeleton.

As you both break apart for air, Sans leans back slightly to look at you, his golden eye gleaming in the dim light.

“Ready for another day of adventure?” he asks with a grin, and you can’t help but smile back at him – feeling a surge of excitement at the thought of what lies ahead.

“Absolutely,” you reply confidently.

“Whatever this cavern throws at us, we can handle it together.” Sans nods in agreement before gently pushing himself up and reaching for his clothes, which lay scattered on the cave floor from last night’s passionate encounter.

After getting dressed and gathering your supplies, you both begin making your way deeper into the cavern.

The air grows thick with anticipation as you explore uncharted territory, every new twist and turn bringing fresh surprises and challenges to overcome.

As you continue your journey, the path before you seems to split in two – a classic dilemma that has plagued many an adventurer before you.

Sans looks at you expectantly, waiting for you to make the call on which direction to take.

You pause for a moment, considering your options, before finally making a decision and stepping boldly towards the left pathway.

As soon as you do so, something clicks into place – an almost imperceptible shift in the atmosphere that sends a shiver down your spine.

Sans raises his eyebrows, clearly sensing it too, but before either of you can react, the cave floor begins to tremble beneath your feet.

Without warning, the ground gives way and you both tumble down into darkness, landing with a bone-jarring thud on what feels like a soft pile of sand.

The fall knocks the wind out of you, but as you slowly regain your bearings, you realize that you are unhurt – thanks in part to Sans’ quick reflexes and his ability to cushion your fall.

As your eyes adjust once more to the darkness, you begin to make out the faint glow of a luminescent moss growing on the cave walls.

The light it emits is just enough for you to see that you are in some sort of hidden chamber – its walls adorned with strange symbols and intricate carvings that seem to tell an ancient story.

“Look,” Sans whispers, pointing towards a large stone tablet in the center of the room.

The light from the moss illuminates a complex series of glyphs etched into its surface – a puzzle unlike any you’ve encountered before.

Sans grins at you, his eyes alight with excitement.

“Ready for round two?” he asks, and you can hear the challenge in his voice as he gestures towards the tablet.

You nod in response, feeling your own competitive spirit rising to meet his.

If there’s one thing you both share, it’s a love of solving puzzles – and this one promises to be unlike anything you’ve ever faced before.

As you begin working together to decipher the strange symbols, you feel a sense of camaraderie growing between you.

Every clue solved, every step closer to unlocking the secret of the tablet, brings with it a rush of adrenaline that only serves to intensify your bond.

Finally, after what feels like hours of tireless effort, you manage to piece together the last few fragments of the puzzle.

As the final glyph clicks into place, there is a sudden shifting in the floor beneath your feet – and before you know it, a hidden passageway opens up, revealing a staircase leading down even deeper into the cavern.

Sans looks at you with a mixture of triumph and anticipation, his golden eye gleaming as he flashes you a mischievous grin.

“Looks like we’ve earned ourselves a little break,” he says, gesturing towards the staircase.

As you descend the steps, your heart beats faster in anticipation – for what lies at the bottom of this hidden passageway is something that neither of you could have ever imagined.

As you reach the final step and see it with your own eyes, a gasp escapes your lips.

Before you lies an underground hot spring – its waters steaming invitingly as they lap against the smooth stones lining the pool’s edge.

The air is thick with the scent of minerals and sulfur, but there is also something else – a sense of tranquility and peace that seems to permeate this hidden oasis.

Sans looks at you, his eyes softening as he takes in the wonder on your face.

“A bit of relaxation wouldn’t hurt,” he suggests, his voice low and seductive as his gaze lingers on your body.

You feel a flush rise to your cheeks as you realize just how intimate this shared moment could become – but before you can respond, Sans has already begun undressing, his clothes falling away to reveal his pale, bony form.

Your breath catches in your throat as you take in the sight of him – every curve and hollow of his body illuminated by the soft glow of the underground spring.

His golden eye meets yours, and you can see the desire burning within it – a hunger that matches your own.

Without another word, you begin to undress as well, letting your clothes pool at your feet until you are both standing naked before each other.

The tension between you is palpable – an electric current that seems to crackle in the air, drawing you closer and closer together.

Sans takes your hand in his, leading you towards the edge of the hot spring as he gently guides you into its warm embrace.

You let out a sigh of contentment as the heat envelops your body, soothing away any aches and pains from your adventures thus far.

As you both begin to float in the water, Sans reaches for you – his fingers trailing along your skin with a tenderness that leaves you breathless.

He moves closer, until his body is pressed against yours, and you can feel the heat of him radiating through the warm waters.

His lips find yours once more, and this time, there is no hesitation in his touch – just an unbridled passion that ignites a fire within both of you.

As your tongues entwine, you feel Sans’ hands roaming your body – exploring every curve and hollow with a reverence that leaves you weak at the knees.

A moan escapes your lips as his fingers find their way to your breasts, teasing your sensitive nipples until they harden under his touch.

You feel yourself arching towards him, seeking more of his touch – desperate for the release that only he can provide.

Sans seems to sense this need within you and begins trailing kisses down your neck, his lips skimming the delicate skin above your collarbone.

As he moves lower, his fingers find their way between your legs, stroking you with a gentleness that belies the ferocity of your desire.

You let out a gasp as his fingers find your clit, circling it with a rhythm that sends waves of pleasure coursing through your body.

Your hips buck involuntarily against him, seeking more pressure, more friction – anything to bring you closer to the edge.

Sans chuckles softly at your reaction, his breath hot against your skin as he continues his exploration.

His fingers slide lower, probing gently at your entrance, before sliding inside with a slowness that borders on torture.

You can feel every inch of him as he fills you – the stretch and burn as he opens you up for what’s to come.

As Sans begins to fuck you with his fingers, you feel yourself slipping further into ecstasy – your body responding to each thrust, each caress, with a fervor that threatens to consume you whole.

Your muscles tense and release in rhythm with his movements, your moans growing louder and more urgent as the pressure builds within you.

Sans looks up at you, his eyes locked on yours as he continues to pleasure you.

“I love watching you lose control,” he purrs, his voice thick with desire as he increases the pace of his fingers, driving you towards the edge even faster.

You can feel your orgasm building – a coiling pressure deep within your core that threatens to burst forth at any moment.

Sans seems to sense this too, and with one final thrust, he sends you careening over the edge into oblivion.

Your body convulses around him as wave after wave of pleasure crashes through you, leaving you limp and spent in his arms.

You feel Sans’ lips against your forehead, whispering words of love and adoration as he gently pulls his fingers from your body.

As the last vestiges of your orgasm fade away, you find yourself looking into Sans’ eyes – seeing in them a depth of emotion that you never thought possible between two beings such as yourselves.

In this moment, there is no doubt that you are bound together – not just by the trials and tribulations of this underground world, but by something far deeper and more profound.

Without another word, Sans pulls you closer to him, holding you tightly as you both allow your spent bodies to float in the warm embrace of the hot spring.

The water laps gently against your skin, soothing away any lingering tension as you bask in the afterglow of shared pleasure.

As you finally begin to drift off into a contented sleep, Sans whispers softly into your ear: “I love you.” And in that moment, you know that no matter what challenges await you in this cavernous world, you will face them together – united by an unbreakable bond forged through passion and adventure.


You wake up to Sans’ soft kisses, your body still humming from last night’s activities.

The morning after feels like a dream - the warm embrace of the sheets against your skin, the slow rhythm of Sans’ breath as he sleeps beside you.

You can feel his chest rising and falling gently against your back, his arm wrapped protectively around your waist.

As the first rays of sunlight filter into the room through the window, you begin to stretch languidly, allowing every inch of your body to fully wake up after a night spent exploring one another’s depths.

The muscles in your legs and arms feel slightly sore from all the exertion - but it’s a good kind of soreness, a reminder of just how deep and intense your connection with Sans has become.

Sans stirs beside you, his eyes flickering open as he slowly comes back to consciousness.

He smiles lazily at you, his golden eye gleaming in the dim light as he reaches out to trace a finger along your jawline.

“Good morning,” he says softly, his voice still rough with sleep.

“Morning,” you reply, your lips curving into a contented smile.

“I never thought I’d find love in a place like this.”

Sans chuckles and pulls you closer to him, pressing a gentle kiss against your forehead.

“Me neither,” he admits, his voice filled with wonder at the unexpected turn of events that has brought you both together.

As Sans’ lips brush against yours once more, you feel a familiar heat beginning to stir within you - an insatiable desire for more of his touch, more of his passion.

You part your lips, inviting him in, and he gladly accepts the invitation.

His tongue slips inside your mouth, dancing teasingly with yours as his hands begin to roam your body, exploring every curve and hollow with a hunger that matches your own.

As his fingers skim over your nipples, causing them to harden in response, you let out a soft moan of pleasure - desperate for more of his touch.

Sans seems to sense this need within you and begins trailing kisses down your neck, his lips skimming the delicate skin above your collarbone.

As he moves lower, his fingers find their way between your legs, stroking you with a gentleness that belies the ferocity of your desire.

You let out a gasp as Sans’ fingers find your clit, circling it with a rhythm that sends waves of pleasure coursing through your body.

Your hips buck involuntarily against him, seeking more pressure, more friction - anything to bring you closer to the edge.

Sans chuckles softly at your reaction, his breath hot against your skin as he continues his exploration.

His fingers slide lower, probing gently at your entrance before sliding inside with a slowness that borders on torture.

You can feel every inch of him as he fills you - the stretch and burn as he opens you up for what’s to come.

As Sans begins to fuck you with his fingers, you feel yourself slipping further into ecstasy - your body responding to each thrust, each caress, with a fervor that threatens to consume you whole.

Your muscles tense and release in rhythm with his movements, your moans growing louder and more urgent as the pressure builds within you.

Sans looks up at you, his eyes locked on yours as he continues to pleasure you, saying: “I love watching you lose control.” His voice is thick with desire as he increases the pace of his fingers, driving you towards the edge even faster.

You can feel your orgasm building - a coiling pressure deep within your core that threatens to burst forth at any moment.

Sans seems to sense this too and with one final thrust, he sends you careening over the edge into oblivion.

Your body convulses around him as wave after wave of pleasure crashes through you, leaving you limp and spent in his arms.

You feel Sans’ lips against your forehead, whispering words of love and adoration as he gently pulls his fingers from your body.

As the last vestiges of your orgasm fade away, you find yourself looking into Sans’ eyes - seeing in them a depth of emotion that you never thought possible between two beings such as yourselves.

In this moment, there is no doubt that you are bound together - not just by the trials and tribulations of this underground world but by something far deeper and more profound.

Without another word, Sans pulls you closer to him, holding you tightly as you both allow your spent bodies to float in the warm embrace of the hot spring.

The water laps gently against your skin, soothing and calming you after such an intense climax.

As Sans whispers softly into your ear: “I love you,” you know that no matter what challenges await you in this cavernous world, you will face them together - united by an unbreakable bond forged through passion and adventure.

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