Oh, and instantly Locus's fingers curled tight, jaw snapping shut with a muted sound at the drag of teeth. A little advanced for a beginner, but he's not doing badly. It simply feels, intensely. That scrape of teeth against skin feels like it's dragging sharp across every nerve ending he has, and for a moment? His eyelids slide shut.
"Tongue...after teeth. Good rule." He manages to growl that out, somehow.
The dart of Delta's tongue afterward is immediate and all but apologetic- the next slow pass of mouth and breath gentle by comparison. Tongue after teeth, and teeth at irregular intervals. Whether it's a matter of pain or too much-
He'll learn. Right now he's focused on smoothing the hurt away with wide, laving licks, growing more and more accustomed to Locus' taste.
Following the hurt and intensity with something soothing is usually a good rule to learn, and Delta is a quick study. He seems to pick right up on what he needs to do, how to soothe those suddenly keen nerves, and Locus lets out a low breath as his thighs shiver ever so slightly.
"Good. Very good..."
Keeping up the praise is important. He should know when he's doing well, what to concentrate on or repeat. It's the best kind of lesson to teach, he thinks absently.
Now, he thinks, would be an opportune time to attempt the drag of his teeth again the proper way. Delta sets his teeth against the skin just under the head of Locus' cock and drags light and slow downward- immediately following it with a long swipe of his tongue over the same skin followed by a pointed flick along the slit. That was enjoyable to York, there are many nerves in that skin-
And Locus is saying he's doing well. The thrum of his pulse under his skin, the smell of him, the thick rumbling to his voice? All point to sincere enjoyment.
Locus's back arches with a rough gasping sound, eyes rolling shut as he shudders and hums, pleased. Delta gets fingers curling in, dragging against his scalp in reward, as his cock gives a little twitch.
No movement wasted. Efficient, picking up on everything he's learned thus far. He should expect nothing less.
"Delta." It comes out in a rumble in the back of his throat as he shifts lazily, clearly enjoying this particular lesson.
"Mmmhmm?" He doesn't pull away, more than able to answer or ask while continuing this particular pattern of rasp, lap, and repeat. Teasing Locus' cock from the base to the tip, slowly sucking the head into his mouth and swirling his tongue around the sensitive skin there. He wouldn't be able to dare to take in too much more without York's muscle memory but-
This much is good enough for doing what Locus did for him earlier as he palms the lubricant.
It's good enough. It's very, very good, for more than just the physical sensation of it. Delta's swiftly proving to be either a natural or a very fast learner -- he is an AI, that isn't out of the question -- and it proves difficult to let his mind settle on just the one thing. Instead, his eyes fall shut, soft grunts and groans slipping free now and then as he struggles to keep his hips still as possible.
Patience. They're doing this at his pace. No matter how hard he might want to take the reins again.
He's more precise than York when it comes to most things. All things. This is no different, working out the patterns that have the best results and repeating them with subtle variations until the desired result is met. Measuring pressure and heat and speed and duration in the back of his mind while he focuses on the more sensual aspects of the act.
The weight of Locus' cock on his tongue, the smell of him- bitter and warm in ways he cannot properly articulate- but entrancing all the same as he slicks his fingers and rocks one up against Locus' hole, mimicking the motions of a tongue. Something else he enjoys but is not quite prepared to attempt himself just yet.
One step at a time. This is all meant to be a learning experience for him, though Locus can't really say he isn't learning something about Delta in the meanwhile. He feels fond of the AI, as much a fixture in his life as York at this point -- and Felix, if he's feeling more charitable than usual -- but the way the things he knows about him translate here?
Logic and affection doesn't always mesh, but here they are. And there is a method to everything Delta does. Every action pointedly in search of an end result, building towards something better. And he trusts him, leaves himself in the AI's hands, lets himself unwind and simply react to it. That could be the noises welling in his throat as that sensual mouth works around him, or the way his thighs hitch a little wider at the teasing brush of a finger.
The muscle and sense memory isn't available to him- but he's seen and heard and been present enough when York and Locus enjoy one another to remember what has a favorable result- if only in the vaguest of notions. But this? This is a given. Slow, slick flickers of tongue (or finger moving much like one) back and forth to work him warm and easy and open before pushing to delve within. Something about the nerves there, something about how it is one of the first things they tried together that was new for Locus-
There's a reason for the enjoyment that Delta would love to ask after but right now? He's focused on the line of salt on his tongue, how much he can comfortably fit in his mouth- popping off to lap at the slit delicately.
Locus lets out a low groan, trying not to move hi hips too far, as that finger slips its way inside of him. Intruding, yes, but the warmest, gentlest little flutters that have tense muscle easing in no time at all.
Particularly paired with the attentive swipe of his tongue. Green eyes slit open slightly again to watch that pink tongue darting over the dark head of his cock, glistening and leaking by this point.
"I've been fascinated by the process for some time." Since experiencing that first moment of submission with York- witnessing Locus do much the same. It's intense and curious and a marvel; memorizing what Locus enjoyed? Seemed prudent just...just in case.
AI do not entertain fantasies but, perhaps, in recent days? Delta has done just that.
When it has earned him this? The right to glide his finger so smooth and slick in and out of Locus' body, the trust to drag his teeth gently over the head of his cock? He cannot think that it was a waste of effort.
That sharp tease, and Locus's eyes fall shut again, lips parting against a ragged sound. But it's safe, Delta can be trusted with this, even as cruel as the teasing is. He follows it so sweetly with that delicate curl of his finger, pressing deep as Locus relaxes around it, lets him move in and out as easy as he pleases.
"Have you thought of me?" Curiosity still creeps in, though his eyes stay shut, his tongue flicking briefly over his lips.
"Yes." Not a lick of shame in him as he considers what hes learned, what work's well for Locus. Finding that smooth node inside of Locus takes a moment but he curls his finger slick and deep to press upward slowly, gradually. "I would think...I would wonder how you would taste. How you would feel. What I could do to make your eyes flash like they do when you look at Taylor."
Just that single press and Locus shudders hard, mouth opening on a wide 'o', though what escapes is a strangled breath. Still. Delta has the whole of him bound up around a single finger in that moment, every limb tense as he arches towards him, towards the resonating echoes of pleasure that follow.
"I..." He takes a breath, swallows, and opens his eyes once more, now a little darker than before. "I think you're doing well, on that count."
"I have wondered...what it would be like to be in this position with you." Over him, hand in him, finger gliding over that spot slowly as he adds a second to the tight clench of his body. "My mental simulations fail to compare to the reality."
Locus is...so much more than he could have calculated. The warmth the clench in his chest, the curl of his lips around every soft sound. "I am more pleased that you are pleased than I am at doing this well or being correct. It is- unusual for me not to care how well I'm doing."
Another brush against that nerve center, another shudder as Locus hums, back arching off the sheets. One hand reaches for Delta, just to have something to hold onto. A wrist, a knee, a thigh, anything at all to help him steady himself.
"It's feeling what the other person does. And I want to feel what you do."
Another flex of his hips, and this time? He squeezes down around those fingers on purpose.
"I want to know how you feel when you're inside me."
A shoulder, fair and faintly scarred as is most of York's skin, as is most of Locus'. Soldiers both and the strength in them is just as enticing as their fragility, their delicacy. How sweetly Locus rolls up to meet him- Delta turns his head to brush his lips against the inside of Locus' wrist before sucking the head of his cock, a reward for that tightened clasp of his body.
Between his thighs Delta's cock twitches, an unusual sensation but definitely one of approval. Two fingers sliding slick and slow and he can't help but imagine exactly what Locus describes. "Overwhelmed in theory."
Words start to falter as he lets himself fall into the sway of those steadily pumping fingers, in and out, drawing a low sound of approval as Delta mouths around the head of his cock. He'd certainly never think of himself as fragile or delicate, but an AI would see everything. Every detail, every potential weakness. They are meant to analyze.
Which just makes him that much more curious what Delta sees through his eyes.
Practical application is- He need to take care so they can get to that point. Does take care, handling Locus with all due consideration, every variation on stimulation that he'd observed to this point coming into play. A drag of teeth, a swipe of tongue, a slow curl of his fingers as he eases a third within, stretching him with slow strokes. Working his body open as he loses a little time to chasing the taste of him.
Bitter and musky and salty and human. Innate and entirely unique, a million moments of weight and texture to analyze and compile all rolled up in that shade of beautiful, all but glowing green.
There was never a doubt that Delta would take care of him. This wouldn't be happening without that complete and utter sense of trust, and it's that trust that lets him lean into it. Lets him close his eyes for a moment and simply allow himself to feel, letting his hips ride back in slow, shallow rocks against Delta's fingers, slowly fucking himself on them.
Except 'fuck' seems almost too crass a word for this...exploration happening.
Three till the slow thrusts become easy, until Locus' body rolls down with as little resistance as possible, until each rock of his hips backward distracts Delta long enough to pull back and watch him chase the sensation a little-
The words York would use would be 'um...hot'. A succinct summary of the sudden flush of arousal that rolls through Delta's system, eyes flicking from where his fingers vanish into Locus' body, the leaking head of his cock, and Locus' face. Now? Now. He drops a kiss to the inside of Locus' thigh and slides close, slotting into place as he guides his cock into position. "Are you ready?"
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"Tongue...after teeth. Good rule." He manages to growl that out, somehow.
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He'll learn. Right now he's focused on smoothing the hurt away with wide, laving licks, growing more and more accustomed to Locus' taste.
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"Good. Very good..."
Keeping up the praise is important. He should know when he's doing well, what to concentrate on or repeat. It's the best kind of lesson to teach, he thinks absently.
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And Locus is saying he's doing well. The thrum of his pulse under his skin, the smell of him, the thick rumbling to his voice? All point to sincere enjoyment.
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Locus's back arches with a rough gasping sound, eyes rolling shut as he shudders and hums, pleased. Delta gets fingers curling in, dragging against his scalp in reward, as his cock gives a little twitch.
No movement wasted. Efficient, picking up on everything he's learned thus far. He should expect nothing less.
"Delta." It comes out in a rumble in the back of his throat as he shifts lazily, clearly enjoying this particular lesson.
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This much is good enough for doing what Locus did for him earlier as he palms the lubricant.
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Patience. They're doing this at his pace. No matter how hard he might want to take the reins again.
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The weight of Locus' cock on his tongue, the smell of him- bitter and warm in ways he cannot properly articulate- but entrancing all the same as he slicks his fingers and rocks one up against Locus' hole, mimicking the motions of a tongue. Something else he enjoys but is not quite prepared to attempt himself just yet.
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Logic and affection doesn't always mesh, but here they are. And there is a method to everything Delta does. Every action pointedly in search of an end result, building towards something better. And he trusts him, leaves himself in the AI's hands, lets himself unwind and simply react to it. That could be the noises welling in his throat as that sensual mouth works around him, or the way his thighs hitch a little wider at the teasing brush of a finger.
If only all students were this attentive.
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There's a reason for the enjoyment that Delta would love to ask after but right now? He's focused on the line of salt on his tongue, how much he can comfortably fit in his mouth- popping off to lap at the slit delicately.
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Locus lets out a low groan, trying not to move hi hips too far, as that finger slips its way inside of him. Intruding, yes, but the warmest, gentlest little flutters that have tense muscle easing in no time at all.
Particularly paired with the attentive swipe of his tongue. Green eyes slit open slightly again to watch that pink tongue darting over the dark head of his cock, glistening and leaking by this point.
"You've been paying attention."
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AI do not entertain fantasies but, perhaps, in recent days? Delta has done just that.
When it has earned him this? The right to glide his finger so smooth and slick in and out of Locus' body, the trust to drag his teeth gently over the head of his cock? He cannot think that it was a waste of effort.
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"Have you thought of me?" Curiosity still creeps in, though his eyes stay shut, his tongue flicking briefly over his lips.
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"I..." He takes a breath, swallows, and opens his eyes once more, now a little darker than before. "I think you're doing well, on that count."
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Locus is...so much more than he could have calculated. The warmth the clench in his chest, the curl of his lips around every soft sound. "I am more pleased that you are pleased than I am at doing this well or being correct. It is- unusual for me not to care how well I'm doing."
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Another brush against that nerve center, another shudder as Locus hums, back arching off the sheets. One hand reaches for Delta, just to have something to hold onto. A wrist, a knee, a thigh, anything at all to help him steady himself.
"It's feeling what the other person does. And I want to feel what you do."
Another flex of his hips, and this time? He squeezes down around those fingers on purpose.
"I want to know how you feel when you're inside me."
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Between his thighs Delta's cock twitches, an unusual sensation but definitely one of approval. Two fingers sliding slick and slow and he can't help but imagine exactly what Locus describes. "Overwhelmed in theory."
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Words start to falter as he lets himself fall into the sway of those steadily pumping fingers, in and out, drawing a low sound of approval as Delta mouths around the head of his cock. He'd certainly never think of himself as fragile or delicate, but an AI would see everything. Every detail, every potential weakness. They are meant to analyze.
Which just makes him that much more curious what Delta sees through his eyes.
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Bitter and musky and salty and human. Innate and entirely unique, a million moments of weight and texture to analyze and compile all rolled up in that shade of beautiful, all but glowing green.
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Except 'fuck' seems almost too crass a word for this...exploration happening.
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The words York would use would be 'um...hot'. A succinct summary of the sudden flush of arousal that rolls through Delta's system, eyes flicking from where his fingers vanish into Locus' body, the leaking head of his cock, and Locus' face. Now? Now. He drops a kiss to the inside of Locus' thigh and slides close, slotting into place as he guides his cock into position. "Are you ready?"