FSE

Furry search engine

formerly SoFurry search engine

The place was clean, not musty at all. Someone had spent time removing every trace of dirt, to the point even the shelves were clean. He passed a finger only to shake his head. It wasn't his type to check that stuff. Moreover, if there were any bug around, it would have been crushed hours ago. No… It was probably the stress or the frustration.

“Brimstone," started a voice. Artificial, meddled with static. But assertive in the way it enunciated his alias. “I have checked the entire place. It's clean."

“Heh, I know," mouthed the soldier back as he placed his hands by his waist. He was almost feeling naked with only a shirt and pants on, nothing like his usual attire and armor. Hell, he would have felt a tad better from having his entire gear. “It's just me. You know, the old dog who's suddenly dragged into another sh-…"

“Another shitshow, that's the way you describe… Described our moments."

“It was always so heavy and… Awkward?"

“At first. It was I who was in your position, but you helped me."

“And… Shit. You're doing it to help me?"

“No."

The final no was quite… Surprising, especially without the statics in the voice. For a moment, nothing was said as Brimstone crossed his arms and continued to glance at the room. It was one of Valorant's hideouts, but one he had kept under wraps in case they needed a place to fall back during a crisis. In a way, it was better it had been repurposed and become something more lively. With a bed, with a properly installed bathroom… Crap, even the lightning had been fixed. It was closer to a small apartment, except they were six feet under the city level, right at sewers level. But no smell of it. It was…

“Brimstone. You wanted to fix that place, but we… You never had the chance," continued the artificial voice with static.

Brimstone nodded, scratching his beard then returned to the form sitting on the bed, of steel and radianite. A form that had a similar bulk and structure as Brimstone, they clearly had the same size. Though again, Kay/o was… A Robot.

A hell of a machine, a Robot that not only spoke, he thought and acted just like him. Coming from the future, nonetheless, to stop a war in which he died. Their first interactions had been a doozy, nothing like an expected assault from Omega-Earth.

Even now, Brimstone still gritted his teeth thinking about the exchange and how badly it went. Not physically, it had been a thorough interrogatory. But he had to drink and smoke a bit to let everything sink in, and then admit Kay/o in. Though Kay/o was a good agent.

“Something on your mind, Brimstone?" asked the Robot, his hands on his thighs, covered with baggy pants for once. A nice touch. “Or should I proceed?"

“Okay, so… You said I guided you through this. But you said you know me and you want us to have this. Won't it-"

“Brimstone. The universe didn't break from my intervention. It won't because we had a pillow talk. Sit."

Admittedly, Kay/o was right. He came back from the future and the universe didn't implode. Perhaps it didn't change a thing, so… Well, Brimstone gave in and approached the bed. Only to see one hand extended towards him.

“The comms. We should keep them offline," Kay/o said, his articulations grinding together as he flexed his digits. In the end, Brimstone reached for his little earbud, linked to the computer outside, and he extended it to Kay/o, who stood up and set it in a box on the shelves.

“And you? Are you offline?"

“Brimstone. Here, I am offline and not recording. That is the rule."

Again, Kay/o knew what Brimstone's thoughts were and adjusted his actions in advance. Or it was the promiscuity he had with his other self. It was hard to adapt to the idea; even if Kay/o confirmed to him a while ago it wasn't a way for the Robot to bounce back.

“Okay so… What are the rules?" asked Brimstone, smacking his thighs as he looked at Kay/o, now on his feet, the dog-tag he wore clinging against his steel case.

“You t-," started Kay/o, though he cut through, with statics. “We don't speak to others about what we do here. We don't record. If anything goes wrong, you say Radiant, and we stop. Is that clear?"

“Loud and clear," confirmed Brimstone as he glanced at Kay/o, watching his body of steel stop still for a moment. The fingers clenched and open, the faceplate almost shutting off for a moment. Then… The screen lit up, the fingers went down, and… Right on the baggy pants.

Kay/o wasn't wasting time, and Brimstone almost regretted it. He watched it with a mix of apprehension, his foot taping the floor until he leaned back and…

“WOAH! WOAH! WOAH! What's this?" shouted Brimstone, losing his composure for a second as he looked at what Kay/o had packed between his legs. Somehow, the baggy pants made more sense, though Brimstone was still wondering how the fuck Kay/o had hidden the… Weapon he had between his legs.

Yes, it could only be a weapon when he had that massive cock sprung free from the pants. It was thick like a beer can, maybe as long as ten inches. It had ribbings over the left and right side, while the cockhead was uncut. The whole thing looked like it was made of plastic but flexible, maybe like a dildo that had been plugged into Kay/o's groin... Which would explain the neon pink color of said dick.

“This is a toy I got from our run at Paris through… Let's forget it. We can say it's blue and not pink. We'll make do with the color."

Brimstone blinked. If he had been drinking, he would have spat all over Kay/o and behind. Instead, he reached for his heart, feeling its rapid beat inside.

“No. No. I mean the size of it. And the… Holy Moly! It vibrates!"

“It's the standard size for us; I have the others around."

“The others? Break time!"

With his hands raised, Brimstone made the T sign for a break as he jumped off the bed. Now, he definitely regretted having given in to his curiosity and Kay/o's request.

He approached the Robot, who remained with his hands on his pants, his headplate displaying an interrogation mark but didn't speak.

“This… This is too big. And I haven't signed up for other toys… Or something that big, Kay/o. Gimme a reason why I shouldn't leave right now," he said, frowning his eyes and putting his arms around his waist.

“I don't," replied Kay/o, his faceplate displaying his typical triangular symbol.

“So I will get my cloth-"

“I don't, Brimstone. Because you will return."

“Oh. So you got me figured out?" asked Brimstone, his frown deeper as he watched Kay/o's triangular symbol.

“No, Brimstone. Because I trust you… And your libido."

“… Touché."

Even if he was surprised and disturbed by Kay/o's eagerness and preparation, there was a need the man had ignored for too long. And the promises of something on the down-low and quiet worked wonders. So… As he pushed his index against the Robot's breastplate, he grunted.

“Guess the old dog is learning something."

“You are always learning, Brimstone. And you cannot ignore what's in your pants too long."

No, it was right. And the large soldier growled, though he stepped back and crossed his arms again, his jaw clenching but releasing then.

“Fine. So, that's a toy you've got. You have… others?"

“Affirmative."

With a nod, the Robot dropped the pants and removed them, kicking them off though he had to fight against his erect and… Constantly pointing cock. How he hid it remained a mystery but then, Kay/o retrieved a box from the shelves and approached with it, putting it on the bed.

All the while, his cock kept rubbing against the cardboard, glistening and… Dripping. Dripping something that smelled quite nice, salty, and… Musky. Something no different than his precum, than fluids.

“How you…" mumbled Brimstone, watching the hard organ rub a bit more, creating a thread of fluid joining the cardboard and the cock as Kay/o rummaged.

“It's a pump linked to a reservoir I can refill."

“Uh."

“I was built to have a second battery set there. They didn't finish that part, but I had help in the… Future to have it refit."

“Uhhh," continued Brimstone, half-curious and half-lost. Maybe a bit clenching his legs, too, at the idea of having someone “playing" with his pipework. He cringed, yet continued while Kay/o was hellbent on explaining how it worked. Seemingly, his future self was full of resources to get off. Maybe he hadn't had any fun in years.

“With the reaction in the secondary reservoir, I am constantly full and have to empty it until its done. And no, I won't allow Killjoy to check if it works as intended."

Brimstone blinked at the quip… But the way Kay/o spoke the last sentence, he knew it was a snark back at how Killjoy had been pushing to study him all to the tiniest details.

“She tried?"

“I never told her about that slot."

It made sense, and Brimstone taped his arms for a moment while he gazed at Kay/o's cock again… And then, heard a static. Just a little call to see Kay/o's faceplate and… The dildo he held. Black like ebony, with a shape that ended with a massive flare an the end. That thing was… Yes, almost as large as Brimstone's arm. Yet, it ended with such a flat and massive flare taking that equine-like cock would be a death sentence.

“Molly!"

“No, it's not for you," said Kay/o as he threw the “thing" at Brimstone, who caught it by reflex. The plastic was cold, heavy… He hefted it before he felt disgusted feeling that thing in his hands, and he threw it aside. Then, he wiped his hands on his pants. Tense pants, he noted.

“Why do… You-"

“I have a collection? I have discovered different shapes that appeal to you… The future you," explained Kay/o, his voice marking a pause until he grabbed another dildo. Slightly smaller than the one he currently wore, it had a distinctive red coloration and a pointy end. The length was quite wide… But it was the base that was the widest, with what looked to be… A knot. One knot Kay/o touched and squeezed.

One firm squeeze made the metal articulations creak while Brimstone observed the movements, silent. Then, the release. Beneath the fingers, the toy had been hard-pressed only to take its initial shape once released. The… The sight was curious for Brimstone, but everything was surprising. As much as Kay/o's quips.

“You can touch it. You will."

“Wait? No. No, Kay/o, you don't mean I-"

“Brimstone. I see your erection with half of my captors. As for the others, they note an increased heartbeat whenever you check my groin."

“… Dang it. Do you know everything about me, don't you?"

“Not everything," answered Kay/o as he set the toy on the side and turned, pointing his faceplate, finger, and cock towards Brimstone. The latter, Brimstone tried not to ogle it too obviously. But failed, instead watching the organ and yes… Smelling the scent. It was like someone had been fucked recently, smell of smoke and… Something else. Sweat?

“Brimstone. Let's prepare you," suddenly cut in Kay/o, stopping the old soldier in his rumination as he twisted his neck up and blinked.

“Pre… Pfh! I'm as prepared as I should!"

“No. You are not."

No, he wasn't.

Not when, after a few more minutes of coaxing, Kay/o dragged him into the bathroom to get “cleaned up" as he called it. You'd expect a warbot, built to crush radiants, to be a brutal lover. But Kay/o was delicate when handling Brimstone's body. Whether it was his inspection of the Soldier's round buttcheeks or the crevices in between, he was careful. Even when the cold metallic fingers were prying his glutes apart to inspect his “private anatomy". More than that, he even showed interest as he tingled the orifice before he squeezed a funnel inside for an enema.

It was… Rough. A rough moment. Not that Brimstone had no experience at it… he had tried it on his own and with partners. But doing it with Kay/o, a Robot nonetheless, was a whole different case.

The strength from those digits was dangerous, but they explored his ass without ever being excessive. Whenever Brimstone felt the tug on his rim was about to be too much, the Robot stopped at the limit and gave him a breather.

“Hhh… You are… Good at this," even mumbled Brimstone as the enema was done, but Kay/o's fingers were still over his ass. They were digging into the muscles, pulling on the glutes while exposing the hairy line going from the lower back to the testicles, only stopping and separating where Kay/o dug and pushed his cold fingers.

“I have experience. Whenever I fucked up, you-… The other you asked for a firmware update."

“He did?" asked Brimstone, his breath short when he sensed his rim open up and one digit slip inside, then wiggling within. The articulation made a slight brrr from the hydraulics working before the fingers pulled out.

“No. But he threatened me. Jokingly."

“Jokingly."

Brimstone didn't hear any voiced answer, but the whirring from Kay/o's neck told him the Robot nodded while another finger dared to explore the asshole and… Push through. However, this time, there was a liquid associated with it. A liquid that, once smeared, started to heat up and burn. It was… Also cold, like mint pressed against his asshole. But it opened, it eased, it started to… Relax and not clench anymore on the Robot's fingers. Even when there was a third, and they were all wiggling together, stealing gasps from Brimstone.

“It-"

“Brimstone. Don't say it's too much."

“I wasn't going to. Let me catch a breath," whispered Brimstone, lying through his teeth for a moment as he looked down. He looked at his body, watching the sweat pour over his hairy chest, on his slightly fatty pecs despite the exercises, on his belly… And then, as he lowered his eyes, he watched his own cock. It wasn't as impressive as the monster Kay/o wielded, but it was well enough for another partner without getting them stuck on a warm pillow for days.

It was thick, with a bulbous tip, and a veiny length that joined to a bushy groin, from which dangled his heavy testicles. He was endowed, so much so… But somehow, it felt hotter to be fingered and teased by Kay/o, to have his intimate hole explored… The Robot knew where to push, to dig, to advance, and it was… Good.

“Brimstone, you are ready."

“What?" answered Brimstone, blinking as he removed his hands from the tiles wall to check Kay/o and his… tool. But the Robot grabbed his shoulder at once and forced him to turn away, to face the wall. “Wait! I'm not ready!"

“Brimstone. You can do it; you want it. It's not like you have been checking me out."

Brimstone, indeed, had been checking Kay/o out… The Robot had noticed it and now used that fact to smack him back with that knowledge. He could have whispered a small “bastard" if he wasn't also flustered and amazed.

“Breathe slowly. You must release your muscles, not clamp them."

“Hard when you're forced into this," muttered Brimstone, lying through his teeth. More like he didn't know how to relax his hole like the Robot wanted. Sure, there was a way but-

“Do you want help?"

He nodded, grumpily leaning against the walls with his arms crossed while Kay/o squatted behind him. No breath, only the faintest of movement came from the Robot as his digits were back on the hole and… Stretching it. Two, three fingers were in and playing with his orifice.

“Breathe, now. Move your feet, and relax your thighs."

Brimstone exhaled but followed the orders. He widened his stance, released the tension that was up his thighs… Then arched his back slightly, the head resting against his arms. The fingers, once out, moved up and around his waist. They grabbed his hairy cheeks, spread them… Then kept them so with one thumb while the other fingers were firmly anchored around the human hips.

“If anything goes wrong, say-"

“Radiant… I know. Get back to it before I change my mind."

However, Brimstone was too far into the moment to change his mind. He wanted it as much as Kay/o, it seemed. He discretely bit his lips while he felt the stroke, the caress, the grazing cock against his butthole. Warm was the silicon shape, a tad warmer than his own skin, a lot warmer than what he expected. Even the fake precum was hot against his skin but not burning. Its presence was also appeasing when it smeared against his pucker, soothing it. Like a balm. Warm balm.

“Hrmphh… It's hot," groaned Brimstone, feeling the wide cockhead nudge his hole.

“I use it to release the excessive heat. It feels better," confirmed Kay/o before he advanced his fingers and released his grip on the buttcheeks. Instantly, they pressed, advanced, squeezed Kay/o's cock… But only produced a strange fullness and intimacy Brimstone felt while that cock rubbed in-between, smearing the crevice with precum.

He exhaled, feeling how Kay/o's torso pressed against his back, felt the radianite core pulse against his back like a rapid but low drumming noise. A tremor that spread against his back when the metal pressed, cold, against the warm skin.

Their hips pressed together; his buttcheeks were pressed like between two weights. And… Then, Kay/o backed up, just a bit. Enough to align the bulbous tip with Brimstone's hole. The head rubbed, passed and left a stroke of fluid up and down, then left and right.

“Don't mess with me, you can align it," grumbled Brimstone at feeling Kay/o attempt to look less precise.

No answer but statics, an acknowledgment when the cockhead landed right on the sphincter, warm like hot iron, but didn't budge. Then… The cocktip pressed.

Like a battering ram, the massive head pressed against Brimstone's relaxed hole, forced the slightly ajar hole to open further. Further than one finger, than two, than three. It was bigger than the three fingers at once, more than when they wiggled and teased his prostate. It was big enough to get his hole to burn and hurt, for his body to tense and-

“Brimstone. Don't think. Breathe."

Breathe. Brimstone exhaled what he had been holding and instantly felt more relaxed. Better as Kay/o stopped moving. Better as the Robot slowly pulled back but not entirely, just stopping at the cocktip, at the head that nudged and tugged on Brimstone's rim and almost nagged him. He exhaled, felt his lungs emptying until he was able to fill them back. And then… Kay/o pushed onward.

He advanced, though his progress was steady. Slow… Slowing whenever there was a difficulty, almost back up. But advancing, ever so slowly as the hydraulics forced the hips to come near.

Halfway inside, the dick was already nudging and weighing on Brimstone's guts as he rested against the tiles wall, his head nestled against his arms. Not a secure position, but it was good, feeling his heartbeat against his forehead, sensing the pace and breathing in rhythm.

He…. Felt strange, focused on everything his body felt and was: there was the slight twinge from the metal fingers pinching his skin. The fullness at the lower belly, the pressure against his bladder. He could even think about taking a piss, if it wasn't for the lack of a need.

His cock was hard, so hard and stiff. Finally… Finally, he released his arms, uncrossed them. One hand against the tile wall, the other went over his chest. The digits descended, explored the hairy bushes over his pecs, his slightly pudgy belly… He felt the sensation of Kay/o mast pressing beneath his skin, and then down to his cock. One he sensed, wide… Needy… Pulsating.

He gripped it and gave it a firm stroke, instantly feeling the intense pleasure that nudged its tip. He continued again, giving it a few strokes while Kay/o remained still… Immobile.

“Go on, Kay/o. We don't have all day," smiled Brimstone as he looked over his shoulder, toward his partner's faceplate.

“We could. A little accident on the street that left you immobilized for a few hours," answered Kay/o, with a tone that was almost humane.

And pervy. Especially when he thrust and punched Brimstone's guts, hitting them square with more than two-thirds of its length going inside. It stole a gawk from the Human and another when Kay/o pulled back, pulled on Brimstone's rim on the way back.

“Slow… Down, bronco," he muttered.

But Kay/o didn't even acknowledge it. No, the Robot punched his guts once again, his hydraulics screaming when his cock entirely slipped within Brimstone, punched his guts, and outstretched them wildly.

No, Kay/o didn't slow down. Rather, he picked up the pace while he started to pummel Brimstone's guts. It was raw, brutal… Yet, there seemed to be something strange in the fluids Kay/o used because Brimstone felt… Good. Great, even. Though he hiccuped when a sudden thrust from Kay/o sent him almost jumping and bouncing. He gargled, too, feeling his asshole expand more than before. But he took it with a smile, one that grew wider as his prostate was getting lovingly nudged from the enormous cock.

In… Out… In… Out. Brimstone rested his forehead against his hand as it pressed on the tiles, using it to lessen the blows from the back and forth… Of his rocked hips when the Robot extended and smacked his asshole good.

His face relaxed, his body felt right… And without even thinking, his hand was right back on his cock, squeezing it again and masturbating it slowly. Just not enough to reach the limit, but enough to sense the pleasure when he gave the cockhead a squeeze and the base a firm shake. Enough for his cock to spurt precum on the tiles. In… Up… Out… Down.

His movements were regular, controlled, as he sighed and heard the clapping of his cheeks, burning red and good, as well as Kay/o hydraulics. And for a moment, Brimstone lost himself, he grumbled, barely feeling when the Robot's dick punched his guts so hard they bulged.

But he felt… He felt it when something warm started to pour inside his ass, plus the statics from Kay/o.

He grumbled, sighed, but didn't move as the hydraulics stopped, and that cock remained firmly stuck within. He stood still, his hands even stopping, although he was hard like stone. And… He chuckled.

“Already spent, Kay/o?" he jokingly asked, his tone a little higher as he sensed the massive cockhead push a bit on the left, then the right, churning the warm fluid in his guts. Cum… it should be cum, it seemed from the stickiness that dripped from his hole. But could a Robot cum?

It seemed so when there was so much inside, he was starting to feel heavy and drippy behind.

“I vented the excess. We can continue on a different position."

“Sorry?"

Brimstone brought a hand to his belly, feeling the slight pudge beneath the skin and the sloshing liquid. He poked it, felt the warm… And gasped when Kay/o pulled away. Suddenly, of course, since he gave almost no break to Brimstone. There, the Robot left him resting against the wall, breathing and heaving. The hole gaped, winked, and tried to close with no such luck Instead, it was half-open… Made even stretching a leg difficult. Not even talking about the cum that dripped from his hole as he touched and felt the sticky semen.

“The chemical reaction isn't perfect, Brimstone. Sometimes, I have to release the pressure. Come."

Still with his hand over his cheeks, Brimstone pressed a finger inside his asshole. The… passage was soft, open, supple. Without thinking, he was certain he could press another finger inside, and a third without flinching.

However, he didn't.

He turned his head towards Kay/o. Towards the Robot standing by the doorjamb, his cock hard and dripping with cum, the same white liquid that coated the whole length.

“That's… Give me a second."

Brimstone sighed while he lifted one foot, feeling the tingle in his ass as well as the pull on his thighs. His muscles were not sore, only his hole, but the sensation radiated through. It forced him to grit his teeth as he tottered forward for a moment and… Landed on the doorjamb, doorjamb without any traces of Kay/o. No, from the noise, the Robot was busy with something else.

His eyes wandered on the room, finding the bed similar except for the towel that had been set on it.

“Brimstone. Lay on your back."

It was closer to an order than an indication. At times, both felt like the same thing with Kay/o. There was no point in picking at it, so Brimstone followed and sat on the bed. The towel was soft but it was strange to have it rub against his cum-coated skin… As well as the sensation of the sticky fabric against his rim when he moved. Still, he moved, rolled. And ended up on his back.

He naturally outstretched his legs, opened them while his feet were on the sheets, adjusting and readjusting his position until he was comfortable.

“So… You… Always cum so much?"

“Enough to make you regret a double breakfast, that was what… The you.. The future you said," commented Kay/o as he popped in the room with… Well, a change. One noticeable change Brimstone watched with an open mouth.

“A problem, Brimstone?"

“You're gonna use that?"

By “that", Brimstone looked at the new “cock" Kay/o had fitted. Just the same size as the one he wore, the red color was different though it radiated from warmth even from there, Brimstone could smell the musky scent. However, whereas the first had been a typical human cock, that one was closer to a canine's cock. Sheath and knot, just like the one Kay/o had shown before.

“You were aroused when watching the bigger model. It is better to make you experience it. Legs up."

Even without thinking, Brimstone lifted his legs and followed the Robot's order, observing Kay/o's approach and climbing onto the bed.

“It was curiosity, Kay/o. Nothing more."

“You will see."

Brimstone looked aside, but winced a bit when Kay/o's hands closed on his ankles. He had seen the Robot pull someone's limbs from their sockets with mere strength. He could do the same, now, but didn't. The movements were calculated, although the added pressure on Brimstone's back and belly stole him a groan. Kay/o shifted his posture, forced the Human to bend until he had to press on the mattress with his palms to keep his balance.

It was an effort to stay steady, though Kay/o held Brimstone's legs to keep them spread. Then… As the Robot advanced, lifted his hips, and adjusted his posture, the tapered tip nudged Brimstone's gaping and dripping hole. Enough for him to feel tense, once more, but expecting. Expecting while watching the precum drip from that organ and the warmth that followed as it dropped on his rim.

“Brimstone-"

“Go for it, Kay/o. You know your deal," confirmed Brimstone as he extended his neck, shifted his back, readjusted his shoulders' position, and… Sighed. He sighed when the tip pressed against his rim and… Opened it. Wide. Just as wide as the previous toy…

Still, it felt strange and odd. It felt like an invasion but lessened through the previous prying and teasing, through the last run. There, the invading sensation was but a note in Brimstone's mind while he sensed that cock dig further inside and… Touch it.

With the perfect angle, Kay/o's cock nudged and poked at Brimstone's prostate. It touched, stroked, caressed as the length was forced onward through a slow but steady back and forth. Not a push, not a rush, only a gentle touch from the Robot as he advanced and the ramming tip pushed.

Pushed, rammed, and mostly churned what cum remained in Brimstone's guts, forcing the liquid to spray out with a concerto of squelching noises. Something that made Brimstone's cheeks go red and his body constrained, only to watch the lack of reaction from Kay/o.

Not even the faceplate revealed what the Robot thought, yet his movements were telling in the way he released one of Brimstone's feet, forcing him to keep it up, while he stroked the man's hairy belly… He touched it, squeezed the guts enough to sense the dick and cum through. And elicited a groan from the soldier.

“Slowly, Kay/o," muttered Brimstone, clenching his teeth to ease the pain, though it made him clench his asshole… And slow down the Robot. A sudden clench that stopped the hand which returned to the lifted feet with a hydraulic scream.

“I got this, Brimstone. Now, relax," answered the Robot, the statics almost silent as he stopped. For a moment, only remained the stiff dick poking Brimstone's inner walls. Around it, the flesh spasmed and clenched, pulsated with life and his heartbeat… Which in return made Brimstone feel as if the cock itself was pulsating, his senses betraying him. He reached for his ass, then Kay/o's cock to brush it.

It was almost entirely inside, and already was the knot nudging the rim. Not there, not slipped it. But the bulbous base pressed and was… Heavy. Slick with lubrication, too.

“Brimstone. Let me do this."

Brimstone looked up to the Robot's faceplate but relented. He sighed, relaxed, and lay all over the bed. His eyes closed, his nostrils dilated as he exhaled.

It was enough of an approval for Kay/o to pull back, his dick rubbing Brimstone's walls, tracing the passage as it retreated and… Marked where the prostate was. A groan, but no clenching, no resistance. Brimstone was letting loose, and was entirely relaxing.

Even when Kay/o truly started. There was a second push, another punch in Brimstone's guts. Followed by another drag all over his prostate.

One shot, but then Kay/o had perfectly adapted and corrected the trajectory. When he pushed within, this time he hit Brimstone's prostate square and continued, rubbing the length all over it until he was down to the knot. It was a torture, a tease, a caress. One Brimstone took with huffs and a reddening face, a hardening cock, and spurts of precum.

Yet… It was the first hits.

The fourth was faster, truly hitting the target as Brimstone's back arched. His fingers dug into the mattress by the fifth… And as it continued, his muscles tensed, his neck tightened, his breath hastened. By the ninth hit, his body was a trembling mess while Kay/o's hips were keeping pace, smacking the knot against Brimstone's asshole without forcing it within.

Its sole presence was a threat, a looming abuse on his hole he sensed drawing near with each thrust. By the fourteenth hit, he sensed the rim open up enough for the knot to nudge but a bit inside.

By the twenty-sixth, he had the rim almost gripping the knot's presented front. And it worsened.

Each hit sent his pleasure peaking, his body rocking on the creaking bed. His knuckles had turned white from the abuse and his cock? Oh… Brimstone's cock was a faucet, a water hose already dripping all over his muscular and hairy chest. All over his pecs were lines of precum, white and sticky, that formed angles that went outward as Kay/o abuse went faster… Stronger… Deeper.

“Hhh! That's-"

“I'm not done, Brimstone," said Kay/o. But this time, his voice was heavy with statics, his hydraulics crying out loud as he kept smacking their lips together, covering Brimstone's cheeks in red and his artificial muscles with fluids, from sweat to cum and precum mixed.

“Not… Done?" huffed Brimstone, his voice coarse as he could only breathe a few seconds each time. Contrary to his robotic partner, he wasn't a relentless machine able to fuck for hours. His face was red, his mouth and nostrils wide whenever he drew a sharp breath. His neck even started to hurt when he looked up to the Robot.

“Not… Done." confirmed Kay/o with a hint of exhaustion in his voice. Simulated, probably. But adequate as the Robot's hands moved, descended along Brimstone's knees, and pressed them… Down!

He squeezed the Human down on the bed, on the creaking bedding, while he straightened one leg. For a moment, there was no hip thrust until the Robot was halfway kneeling, his dick pulling back so slowly while giving Brimstone's prostate lovetap.

The moment stretched as the soldier's breath turned into a whistle. The cocktip… The cocktip almost slipped out, almost pulled on his rim, almost forced his asshole to stretch further by poking it.

And it plunged back, stealing a raspy huff from the man as his guts suddenly bulged from the cock within. He gargled, even spat on the sheets. But he managed to look down, see the skull on Kay/o's faceplate. There was a drum in the air.

No, a buzzing sound. Coming right from Kay/o's chest plate as his battery glowed brighter. And brighter. Tiny sparks flew from it as the Robot's machinery started to squeak and grind. The hydraulics were pumping faster. And here was another hit.

Another hit, then a pistoning out. But the knot… That damned knot was at the door, pressing Brimstone's rim and attempting to force its way in.

It beat, smacked, forced. The movement grew in tempo, breaching the limit of the humanly possible, endurance-wise. Yet, the Robot continued despite Brimstone's grunts and growls, his body again arising to the moment, the pleasure, the ejaculation edging closer.

And finally… He felt it. It was not a clear sensation, but an intimate knowledge as his body was on the glimpse of an orgasm, as his limbs were limp and entire movements stopped.

He gargled as he sensed his asshole was wide enough.

There, Kay/o hit him with all the possible strength. The enduring pistoning had led to this instant when the knot pressed against the rim, against the dripping and lubricated orifice. There… It forced inward and… slipped.

“FUCK!" cried Brimstone, slipping. He cried out loud when his hole was stretched beyond any measure, burning like lava when the knot forced it to stretch… And… Slipped inside. Just as suddenly, the pressure on his hole was over, the burning done, erased, vanished.

Remained only the pleasure, the one that had peaked with the penetration, risen to new heights, lifted until his body, wracked with sensations and pleasure, was stiff as a board. Moving, acting, relaxing? Nothing could be done as Brimstone grunted through his heaving breath, growled as cum spurted from his hard cock right on his belly, torso, and a bit of his face.

Even his jaw hurt from the pressure he had applied to it. So much so that even opening his lips was… A pain. Pain… multiples.

He closed his eyes as he sensed his warming asshole and how said warmth spread deeper. He exhaled, trying to find a posture that didn't hurt, not even his neck. And as he opened his eyes, it was to have Kay/o's faceplate right by his face, each of the tiny LED lights hitting his eyes with different coloration while his pupils went up and down.

“Brimstone. Relax."

Brimstone blinked… And instinctively clenched. His asshole tensed, closed on Kay/o's dick, squeezing it. Followed the pain, which forced his jaw… And then, a growl.

“HRMPH! Kay/o!" he shouted, hitting the back of his head against the bedsheet.

He couldn't move a finger, not even his legs. They were numb, locked by the Robot as he could still sense the cold metal against his hamstring. However… Yes, he was stuck. So was Kay/o. So was the Robot's semen as it was pumped deep within his guts, warming them up. And this time, it was worse.

Way worse as the sensation that had started from his rim was going up and up. With a glance, Brimstone confirmed his belly had begun to swell, and Kay/o's cock vanished beneath the amount of fluids. Even then, the filling sensation continued as his belly started to ache. So much fluid. So much cum rolled in his guts, pressed on his stomach, and lungs.

Even breathing started to feel odd, his inspiration shorter as he acclimated to the pressure inside. Pressure that grew, increased, weighed as his belly took a rounder and rounder shape through Kay/o's presence.

“It is good. I was full, Brimstone," commented Kay/o, straightening his back and removing his plate right from Brimstone's face. “You don't know how long I kept it to myself."

“Urgh. You should give it a go. Crank yourself."

“I crank my mechanic regularly," answered Kay/o with no tone whatsoever in his voice, not even statics.

“I don't me- Hrmph. You're pulling my leg."

“Obviously," commented Kay/o back as he shifted his legs, and Brimstone's prostate received another lovetap. Another rush of sensations elicited a sudden expletive from the Human, whose legs twitched.

“Bite my cheeks!"

Kay/o stopped, statics coming from his faceplate. The hydraulics stopped altogether, and so… They remained together, joined, with Kay/o's knot well wedged inside. All the while, cum kept pouring and stuffing Brimstone like turkey. His belly, well… It was pressed against Kay/o's cold steel, though it was warmer closer to his battery. The machine's drumming tickled Brimstone's skin while he extended his neck up.

“Brimstone. I need to remove my cock."

“Knock it off," answered Brimstone, regaining enough control to dig his fingers into the bedsheet. “I'll endure it. Keep loading me."

“It's up to you to explain your stretch marks to Sage."

A second later, a hand smacking his face, and Brimstone considered the options. Pulling out and suffering, or keeping it still for later. The logical choice would be to have Kay/o pull out. But he'd rather not. It would be painful.

“You can't stop it?" he gargled, feeling weirder. And smelling his own funky breath.

“Not on my own."

“… Go for it."

He coughed, feeling that swallowing his saliva would be a pain in the ass. So… He shook his head and rested, breathed out.

“Gimme… one minute."

He closed his eyes, feeling and hearing Kay/o's drum and the sloshing in his guts. Besides the crushing sensation, it wasn't so bad. Same sensation like he ate too much during the last ribs competition, it wasn't so bad or painful. He was even getting used to it. Even having Kay/o inside wasn't so bad, feeling that knot pushing his rim, or the slight tremor against his prostate.

Of course, he came, enough to cover his belly and smudge his body hair. But he was feeling frisky, hot, bothered and all. Enough for another round.

“Okay. Pull out."

Easier said than done, Brimstone regretted having said the words when the knot started to pull on his rim. Again, it burned, though less than from the penetration. Still, that was enough to make him squirm… A terrible action since, with the added weight from the cum, it nearly pushed him to nausea before he managed to breathe and ease the sensation… Before Kay/o popped the dick out with a loud suction noise. A “schlurp" that filled the room before cum started to pour from Brimstone's hole on the sheets. It was messy, weird, and he felt dirty. But good, too, as the pressure within his guts eased off. Sure, some of it would be stuck up there with how deep Kay/o had pumped his cum inside. But he could at least move around and gargle while he watched the Robot at the ready, his cock still pointing up.

Again… Robot stamina.

“Brimstone. Did you enjoy our moment?" asked Kay/o, the statics almost absent.

“It ain't time for pillow talk yet," grumbled Brimstone back as he adjusted his legs. Even moving them was painful, but there was an itch… A desire, and for this, he had to lower them and bend. So, he bent, forward, his arms reaching past his swollen guts and down to his genitals… Right to his cock and balls. Yup, still there. And the former still hard.

One cock he started to stroke and massage, feeling how sensitive the tip was but not more.

“Shall I leave you alone with yourself?"

Brimstone scoffed and released his cock, right as it was to spurt more precum from its cum-coated tip. Kay/o could be so sassy for a Robot, and having him around…

“Don't you have something you could do to help me?"

“I could fuck you, again," answered the Robot, his hydraulics crying as he shook his hips and sprayed Brimstone's legs with cum and precum alike.

“Hold your horse. I can't feel my legs, and I still have an organization to lead. Do you have something better in store?"

“I could use my hand," offered Kay/o, showing his hand, palm forward, to show the metallic articulations.

“Hard pass. I don't want my foreskin pinched between."

“Or I could use my asshole."

“…"

Brimstone blinked. He looked at Kay/o's faceplate, then the rest of the room. No… There was no way someone recorded their exchange.

“Excuse me?"

“It was one of your… Other you's addition. He wanted to fuck me, too. It was quite pleasing."

“Wait! You got… Okay. Let's say you have one, we could… Well, could you ride me, Kay/o?"

“As long as your hips keep up."

Brimstone grunted but watched the Bot approach and turn. With his back presented first, Brimstone saw the strong back maintaining and balancing the chassis, the lower back linked to the many battery systems. And an ass.

… Before this instant, he had never noticed how plump was Kay/o's ass. There was no reason to have those curves, except if it was to hide hydraulics, which he didn't need there. So… he had that ass with, once the pants off, synthetic muscles underneath. Clearly, it was a recent addition, not a typical integration. Attached to the thighs and strained, the synthetic fiber moved and tensed along with Kay/o's movements, much like someone's ass.

The skin, or the surface, had a clean sheen but nothing more. And as Brimstone reached out to touch it, he cried when a metal hand smacked him.

“OUCH! What was that?"

“Reflexes kicking in, Brimstone," said Kay/o with no statics whatsoever.

“You are lying."

No answers. But Brimstone was certain Kay/o did it to mess with him. Especially since he hadn't lost his hand through the smack, it was only sore as he reached out for those cheeks. The texture was soft, not rugged. In his palm, the muscles quivered, enough to make him feel any tension coursing through Kay/o's body, even the slightest adjustments from his micromotors.

“Nice ass," commented Brimstone, caressing the inner side with his thumb before he slipped it inside. The inside was lukewarm, just enough to tempt the thumb as it brushed the crevice and touched what was… A pucker. Or what he assumed.

One artificial pucker, not unlike the toys he'd seen when checking the agents' search history, with some help from Killjoy. One hole he touched, feeling the wrinkled ridges before he forced in between and found only the barest of resistance inside. Not enough to make it a painful or hard penetration, but just enough so the finger had to apply pressure to enter… And for the said hole to tug the digit inside.

Brimstone continued to press onward and chuckled.

“Molly. What's with that hole? It's good!" Brimstone said as he pulled his thumb out and found it… humid. This time, he advanced his index inside and found the same hole but lubricated and warmer.

He teased the rim, collected the lubricant with two fingers before he brought it closer to his nose. Musky, warm, salty to the nose, transparent. It was no different than precum, even with the texture.

“I can control every muscle of my body. Do you think it would be different with my ass, Brimstone?" asked Kay/o, turning his head so his faceplate was directed towards the Human.

“When said like this, you are right. So… What can you do with… it?"

“I can change the texture inside, make the muscles clench, massage what's inside, and more. Want to try it?"

“Yes!"

Brimstone nearly shouted this and stood up, only to squirm and groan from his swollen belly. He dropped, and then lifted one hand to address the Robot.

“This time… Can you ride me?"

“Sure thing. You won't regret it."

“Don't make me doubt you."

But in a way, he wasn't doubting Kay/o's actions. The Robot had been delicate and soft when penetrating him; he had full control over his body.

Yet…

Yet… It was with wide eyes Brimstone watched Kay/o align his body and… Drop it brutally.

“TAKE IT-… Slow?"

Brimstone watched with stupor Kay/o's ass drop right on his thighs, the hydraulics screaming in pain as their hips met. But when he expected for his dick to be crushed by that metallic ass, it didn't happen. Rather, he blinked as he felt the lukewarm sensation of Kay/o's cheeks on either side of his genitals and… Well, nothing at the tip, like there was no hole. Or rather, nothing he had felt and seen before with his fingers.

If there was a resistance or any touch, it had suddenly disappeared… It was akin to being inside a gaping open hole. Without anything.

“Give me one second to fix, Brimstone," said Kay/o with assurance, without any statics. He was up, his legs stretching and opening while his cock sprung up and outward, still dripping with fluids as if he no longer restrained the flow.

“Fix wh--Ohhhh."

Brimstone moaned when he felt the fix in question. If Kay/o was supposed to control his hole, he expertly demonstrated it when the inner artificial muscles and sphincter closed on Brimstone's dick. In a matter of a second, his dick was embraced and stroked. The insides were a bit rigid and lukewarm, but after a matter of seconds, he found the texture to be intimately soft except for a few bumps and warts stroking and pressing, even tugging against his skin.

Those features were not alone as the rims, multiple, pressed against his length in distincts spots to hold onto the skin. Enough to apply pressure, not enough to pain him when they twisted and turned, slightly pulling on his cock.

“What… Ho-How?" he groaned before he threw his head back when the hole's base suddenly clenched around the shaft's base, keeping it tight like a vacuum. It was…. Akin to being milked, masturbated, and using one of those fuckable toys. He gasped for air as the rings started to pull on his dick upward, forcing his sensitive foreskin up, likewise to his gland that was gripped and teased by the warts.

“I have entire control over that hole. And I have been fitted with many toys."

“Hah- I see that. Shall… Can you ride me, then?"

“Ride? I don't need to move."

Brimstone would have asked more, but there was the movement and the rubbing against his dick. With the base firmly held and pressed, sucked on until every spot on his cock tingled, the Robot suddenly gripped on the length. Whether the rings or the inner walls, coated with synthetic muscles, they pressed against the cock. So much so it was like his cock was tightly held by one's hand. And squeezed to the limit where pleasure would be overtaken by pain. Then, it stopped, just at the limit, just an ounce before.

“Sh-shit," moaned Brimstone, unable to resist.

His fingers, again, held onto the sweat-covered sheets, rolling them in his palms while Kay/o's hole pumped down, dragging along the foreskin. Then up… All without any cry, any sound coming from the Robot's hydraulics as he remained seated, his faceplate facing the writhing and wincing Brimstone. No statics, no sound, there was a tense moment as the pumping settled.

“Faster?" finally asked Kay/o, with a short static burst.

“Faster," confirmed Brimstone, rolling his head back and tensing his neck.

At the tip, it was like his cock was getting kissed by a rim, by lips so controlled they kept dancing over the urethra and beyond, their lubricated and suave caresses stroking and sometimes tugging on the corona. It was ceaseless as the rim closed and opened regularly, but it even twisted and turned, not always using the same angle to tease Brimstone's tip.

Sometimes, they went along the slit, sometimes parallel… In any case, it was impossible to guess the turn Kay/o would use, as he kept shifting and alternating, leaving Brimstone breathless from that sensation.

Yet, it wasn't the only trick the Robot used on the writhing Human, whose fingers pulled on the sheets to the limit of ripping them apart. Brimstone grumbled, grunted, but endured as the rings kept moving up and down without giving him a rest. With their caresses came the warts digging into his soft but swollen flesh, teasing the veins beneath the skin, or even tugging on one skin fold. He gasped as some warts even dug beneath the corona, then pulled up on it until his cocktip felt electrified by their touch. And this… This was only a matter of seconds. Each pump was a slow delicate movement that went from the base to the tip and then back to the base in five seconds. Five seconds of torment that continued and accelerated as it went to four… Three. Two… One.

The pace increased. Followed, then, the whirring from Kay/o. It meant the Robot employed some kind of internal machinery to control over his orifice. A control that didn't seem to falter with the acceleration, with the constant movements as Brimstone's hips jolted back and forth from the pumping.

“Are you enjoying yourself, Brimstone?" asked the Robot, his tone sassy despite the lack of intonation.

“Slow… Down. You're ripping my dick apart!" growled Brimstone back, his voice low and cut by stuttered breaths. Even talking was arduous as he clenched his eyelids shut and tried not to give in too quickly… Not to cum despite his prostate about to burst, despite his clenching nuts, despite the shocks going through his spine.

“Faster? I heard you right?"

“N-HRMPH!" shouted Brimstone, tensing his neck and closing his jaw. He even nicked his tongue, but it was nothing compared to the sudden rush when the pump hurried, way too much. It had accelerated, and the sudden rush of sensation burned into Brimstone's mind like hot iron. He grumbled, groaned… And gasped when a shock, a real shock, hit his cock. Whatever that was, he tried to ignore it… Only to be shocked again.

And again.

Whatever his future self or idiot had asked from the Robot, it had turned into a torture tool for his own private tool… The whirring was deafening, the shocks constant, the pumping so fast it would almost chaffe his dick.

White noise came from Kay/o's faceplate, as if he, too, was lost in the sensations. It sputtered, accelerated, heightened when the pump hastened… It slowed, dimmed, when the pump slowed down. They were his way of voicing his mind, truly, as he kept riding Brimstone's cock without ever moving. Without even changing his posture with his legs spread and his arms behind him, his cock right above like a pole as it dripped over Brimstone's swollen guts.

“Kay-"

“Enjoy it, Brimstone."

Well, Brimstone tried to enjoy it but shocks, pumping, the excess of sensations were almost too much, turning pleasure into torture as everything reached new heights. His heartbeat was drumming his lungs, his prostate so hard he felt the need to pee and the burn from it. His asshole had clenched so hard, too, it hurt from the wronged muscles.

His breathing… Oh, his breathing was nothing but gasps of air and whistling when a trickle escaped his lips. He was at the limit, red-faced, burning…

Then… Everything changed pace.

From an absurd and brutal torture, the sensations on Brimstone's cock changed to become a tender embrace. The pumps, the rings, were tenderly pulling on his dick from the tip to the base. The warts were playfully playing with his skin without tugging on it. Even the shocks had dialed down to be little touches that reminded him of spots he was ignoring. His urethra, his tip, his corona, the length, the base, the veins… Everything, he became fully aware of everything that was.

And he came.

Oh. He came. Unlike anything he had experienced, he was in heaven. He came as his testes were clenched tight in his scrotum, and his prostate spewed cum. But it felt closer to a liberation, a dam breaking, a tidal flood over his body. All the pressure, the tension… Whether from Kay/o's rough riding or the last days, all dissipated. His legs dropped, his hands released his grip… His neck eased as he sighed, letting out all the air he had kept in the lungs through his gasps… And watched.

Above, Kay/o had stopped. No emotions or symbols could be read on the faceplate anymore. The white noise had died down, and so had the whirring from the micromotors working on Brimstone's cock. In fact, everything had stopped and… With a whistle, air was ushered inside the Robot, easing the pressure all around Brimstone's cock, swollen and red as it was.

“That's… What was that?"

He gasped again, then coughed, turning his head away as he was reminded of the pain in his crushing guts. His legs were so sore, his arms done too… But still, he looked around, searching with his eyes for a moment as the Robot remained straddled, immobile, devoid of the tiniest movement. Then.. Statics.

“I was assessing your sensations, Brimstone. You are more sensitive than… Him."

“Yeah. It felt like… You were about to cut and fry my dick," grumbled the Human as he snapped and pointed towards his clothes. “Get me my belt. Got something in it."

“Am I your maid?"

Still, even with the remark filled with statics, Kay/o moved. With a concert of splashing and squirting noises, complimented by Brimstone's grunts, the reddened, sensitive, and abused cock was finally released. It dropped on the groin before it was picked up and touched. Sensitive, yet it wasn't shredded, as poking it didn't hurt at all. It was good, all good as Brimstone kept stroking his cock, feeling the blood drain from it and the dick shrink in his fingers.

“Are you preparing for another round?" asked Kay/o, approaching with a belt in hand, Brimstone's belt. There, the soldier caught it with his cum-riddled fingers and popped one of the pouches open; getting two pills out, he gulped down without thinking.

“Of course," he said with a grin as he forced on his legs and arms to stand up. Or at least sit as he watched Kay/o. The Robot's lower belly was covered with cum… Likewise, some of it seemed to have drained from his asshole as a long line traced the path he took to get the belt and the way back.

“Of course? Are you serious, Brimstone? You are exhausted," Kay/o said as his faceplate followed the belt when Brimstone threw it aside.

“Combat stim. They were about to go off. 'Better not to waste them," he answered with a cocky grin, already feeling reinvigorated. “And I won't waste that moment."

---

“Hmm… Brimstone?"

Nursing on a cup of coffee, black and steaming, Brimstone leaned against the handrail behind the command center. The screens were flashing with information, localization, details. He wasn't ready to go check them out, and his agents were already at work. For once, he enjoyed the relative peace as he took another sip.

“What is it, Killjoy?" he asked without turning or moving even one limb. He had found the perfect position to ignore his killing back and sore legs… And sore ass. Especially that one. Walking without waddling was quite a dance.

“Hmm. I received a request from Kay/o."

“And?" he continued, taking another sip and feeling it slip right into his stomach, washing away whatever remnants of the Robot's semen that could have remained inside. “It's not what you wanted?"

“Ja. It's good. Very good," continued Killjoy, seemingly aware of his state as she remained behind him and didn't intrude on his private space. “But it's curious."

“We can talk in circle, or you can tell me what's the problem."

Killjoy would surely grimace at the remark, adjust her glasses, and search the words. A moment Brimstone used to glance at one screen, yup… Kay/o was not on one computer.

“Do you have anything to do with his malfunctioning legs und why he smells like-"

As soon as the question arrived, Brimstone gargled and nearly spat his coffee. But he kept it down, and through more throat contraction; he managed to push the black molasses down until he coughed and exhaled.

“A problem, Brimstone?"

“Yes. Took it the wrong way. Can you… Fix his legs, Killjoy?"

“I assume," she started before she hummed and chuckled. “Ja, I can fix him. And… I will not take a look at his data banks."

“Yeah. Don't do that, it's private for him," grumbled Brimstone as he heard her smirk and bemused stride away. Even his coffee tasted sour after that talk... His hours of peace were counted.