Succubus! Castiel and Human! Dean.
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Edited 1/15/23: Updated tags- Self-videoing. Bondage. Chains. Cuffs. Spreader bar. Blindfold. Gag. Butt plug. Anal beads. Panty kink. Nipple clamps. Vibrator. Feather. Flogger. Manhandling. Anal penetration. Praise kink.
Castiel smothered a yawn, propping his chin on one hand. His free hand, the one that should be taking notes, had long since started filling the margins of his paper with doodles. Attendance wasn't quite as mandatory in college compared to high school, but he was a perfectionist. Besides, even if the professor posted the slides online this one always had clicker questions, ones that added up to a large enough chunk of the final grade to ensure most of the class had regular attendance. He tried to pay attention, really, but this particular professor had a tendency to drone and he had better things to think about. At this exact moment, he was a little more focused on his upcoming feeding than he was on chemistry.
A fact that only a handful of people actually knew about Castiel was that he wasn't exactly human. He was, for the most part, but not entirely. He looked like a human, talked like a human, walked like a human, even aged like a human. If not for his primary source of sustenance he would be completely human. Different people called his kind different names, but the most common these days was succubus.
For the first part of their lives succubi children were no different than the human ones, though they did require more affection than most. Usually this was easily met by more hugs and whatnot. This only changed during puberty, at which point hugs and cuddles and handholding weren't enough anymore. They required normal food, just like everyone else, but they also needed that something extra. In Castiel's case, he'd been hit hard early, at fourteen. This would have been bad enough, but he had been a rare case. He didn't have to rely on porn and prostitutes and hookups as a majority of his kind did. They had to feed, as they called it, so often that it could be difficult to get a relationship going that would last. Even if they could, either their partner didn't take well to regular prostitute use or they simply couldn't keep up with the sex drive of a succubus.
Castiel had had a friend. A very old, very good friend. They'd grown up next door neighbors, playing in each other's backyards and raiding each other's fridges. The small town they'd lived in had had a fifty-fifty monster to human ratio, and a majority of the humans knew exactly who their neighbors were. Dean's adoptive parents had been surprisingly accepting of the fact their son's best friend was a succubus, even after he'd been hit with the need every succubi dealt with. There had been jokes for years before that anyway, about how they were a cute couple and the like. Dean had always hated those jokes, yet it was him who kissed Castiel first, not the other way around. Better still, he was what Castiel's brothers called a blue moon combination. He'd gotten pissed at the idea of Castiel outsourcing, and he was one of the few humans who could keep up.
That was five years ago. They'd been inseparable ever since. In succubus terms they were mates, and once they were both eighteen a trip to the courthouse had made it official in human terms. They'd gone to the same college, lived in the same dorms, now they shared an apartment. The same apartment Castiel was itching to get back to. He had been feeling hungry for two days now, the sort of hungry that couldn't be satisfied with food. Kisses and such helped, but they weren't enough in the end. He needed more than that once a week at the very least. The more frequent the better. A well-fed succubus had the strength, speed, and endurance to match any of their fellow monsters and surpass any human.
Castiel was snapped from his thoughts as the people around him shifted all at once, packing up and hurrying to escape the lecture hall. He hurriedly stuffed his papers and pencil into his bag, melting into the fray pouring through the doors. In minutes he was out of the building and heading for the parking lot.
Their apartment was fifteen minutes away from campus, particularly if you beat rush hour traffic. In twenty minutes he was climbing the stairs to their second story apartment, unlocking the door and ducking inside. He made sure the door was securely bolted then tossed his keys in the nearby bowl, dumping his backpack and shucking his trench coat. He slowed his pace as he paused by the couch, sitting to remove socks and footgear.
"Dean," he called, straightening. He didn't raise his voice, he didn't have to. The apartment was small, one bathroom and two bedrooms.
His mate didn't respond. Castiel hadn't expected him to, just wanted to give him a heads up. The succubus smiled, peeling his shirt over his head and tossing it over the couch before making his way to their bedroom.
The blinds were closed, but light still filtered in. Plenty to see by. Castiel paused in the doorway, admiring the view laid out before him. Mmm, this was going to be worth the wait. Something few succubi bothered to learn was that more intense the sex, the more emotions that lay behind it, the more satisfying it was. Why live off quickies and hookups when you could find a partner willing to draw things out?
Castiel didn't go to the bed right away. He paused by the desk first, checking the camera, making sure it was still recording, still had plenty of battery left. A digital camera, not a webcam. He took great pains to ensure nothing they recorded was risked on a leak or a hack. What they recorded was stored on an external hard drive and only accessed once he'd disconnected from the internet. In addition to providing an extra kink, they made things easier during times when they had to go a while without sex, be it schoolwork or trips home for holidays. It was akin to going on a juice cleanse or a sort of semi-fast, but he could manage.
"You'll be happy to know you didn't miss much," Castiel informed him lightly, returning the camera to its place. "You probably would have fallen asleep. I almost did. But at least we both got those clicker points. No worries."
He tugged off his belt as he spoke, shedding the last of his clothes before turning his full attention to Dean. It was unusual for him to be silent this long. In this case, the matter had been taken from his hands.
The succubus wandered over to their bed, running his eyes up the figure laying on it. His beloved mate was exactly where he left him. It was dangerous to leave someone alone in a room in Dean's current position, much less an apartment, but the bonds on his wrists had self releases Castiel always checked before putting them on. No matter what happened, be it a fire or simply needing to go to the bathroom, Dean could get out any time he wished.
At the moment his wrists were bound to their headboard, keeping Dean's arms above his head. A pair of padded cuffs were attached by a mere two links of chain, a slightly longer chain running between them and the headboard itself, the design making it easy to flip the human onto his stomach when the time came. His ankles were secured to a spreader bar, extended to three feet. A clip hooked to each side of the bar, more chains running down to hook around the low footboard. The result was that his mate was literally stretched out before him, knees unable to bend, hands unable to move down farther than the top of his head. A silk blindfold kept him in the dark, a bit gag kept him silent.
Castiel paused by the nearest night stand, picking up the small remote. He flicked a switch, lips curling up in a smile as Dean twitched on the bed, muscles going tense as the vibrator went from low to medium. It was attached to the anal beads that ended in a butt plug, one Castiel had inserted with care before he left over two hours ago.
Leaning over his mate, Castiel slowly tightened the clamps that were already on his nipples. A shiver ran through the human's body as they went from just barely gripping to firmly pinching. Satisfied, Castiel ran fingers down a flat stomach, slipping a finger under lace covered elastic. He took a slow, deep breath, smile widening a bit. Already sexual energy was rolling off his mate, potent sexual energy. He must be so turned on right now it had to hurt, yet he still lay unmoving, remained silent. Those were their rules in this particular game. Dean was not to move, speak, or cum without permission. Rules he followed very well.
"Good," the succubus murmured, dipping down to slowly kiss the base of his throat, a hand gently stroking Dean's hair. "You're being so good for me."
He heard Dean's breath hitch at the praise, but otherwise he got no reaction. Not even when he cupped the human's throbbing cock through pink lace panties. It was something even Castiel had not known for some time, that Dean actually liked such things. Whenever he could he liked to indulge his mate, and this was no exception. Dean liked them, liked the way they felt and the way they made him feel, even if he was loath to admit it. Why would Castiel begrudge him such a pleasure?
Castiel finally climbed onto the bed, kneeling astride Dean's torso. He reached around, gently undoing the bit gag and drawing it away. He set the thing aside, stroking the human's cheek and brushing his lower lip with a thumb before gently tugging it down. Castiel bent down, pausing to murmur, "Kiss me," in Dean's ear before descending on those pretty lips. As obedient as ever Dean complied, returning a kiss that was slow and deep and lingering. The sort of kiss that could hold a succubus for over a day alone, or the sort that a lover would use to convey emotion without a single word.
Both were panting when they separated, and Castiel dipped down to press an open-mouthed kiss to the human's pulsing jugular. He lightly bit the skin there, hard enough to hurt a little bit not enough to break skin. The succubus repeated this process several more times, working down Dean's neck and onto his shoulder. They never lasted long, but they acted as a marker to other succubi. Any human already marked was not to be touched, another was already feeding off them.
Only when he was satisfied did Castiel shift lower, turning his attention to pre-sensitized nipples. He hooked a finger under the connecting ball chain, lifting it until it pulled taunt. Castiel gave it a few tugs, each one a little sharper, before letting it fall back on Dean's chest. He tightened each one in turn, a little at a time, careful not to make them too tight, before taking them off. The succubus dipped down, catching one hardened nub lightly between his teeth. He closed his lips down around the areola, sucking gently, but only for a moment. He nipped the nub just a little bit harder, then let go with his teeth so he could suck hard, not unlike one attempting to get a thick milkshake through a straw. He had the satisfaction of hearing Dean's breath catch, the only indication he was making his mate squirm. It was just as well. If Dean broke any of the rules laid out Castiel would have to stop and punish him before continuing.
Castiel pulled away, blowing on the swollen and saliva coated nub before giving the other nipple similar treatment. Only when he was satisfied both had been sufficiently tormented did Castiel draw away. He leaned over, snagging something he'd left out on the nightstand. Well, one of several. The vibrator's remote wasn't the only thing he left out. He liked getting a variety of tools ready after Dean was blindfolded, so he could hear things being prepared but wouldn't know what they were. The anticipation always made his sexual energies all the sweeter.
The succubus sat back, a long downy feather in his left hand and a flogger in his right. The feather went right to work, lightly tracing patterns on Dean's chest. He put off using the flogger until he felt his mate relax a little, aside from the occasional twitching. Dean was very ticklish and if he wasn't bound by their rules he'd be thrashing around the bed.
Castiel got the flogger spinning in steady circle, fast enough a landed hit wouldn't stop it but slow enough not to hurt too much. Some things required more care than others, and a flogger was one of them. He kept it going for a moment, then dropped it down to land a sharp strike on the left side of his mate's chest before lifting it clear again. The feather never left Dean's skin, even as he flicked a double strike over his left pectoral. Dean gave a small jerk, jaw going tight.
Back and forth it went, each strike either close to or right on top of the human's already swollen nipples. Castiel would move over an area with the feather, taunting Dean with the light tickle of soft down before striking the area a time or two with the strips of leather. Maybe he would have skipped this part, but he did like to torture Dean every now and then. Besides, every time he repeated the cycle he was rewarded with a pulse of sexual energy. Dean liked the torment as much as he liked giving up control.
Still, limits were everything. Castiel only kept going until the majority of Dean's chest had started to go pink. Not red, pink. Anything more would be too much, and anything less wouldn't be enough.
Returning feather and flogger to the nightstand, Castiel paused to press a light, rewarding kiss to panting lips. "What color are you, Dean?" he murmured. "You may answer."
A strained, husky, "Green," reached his ears.
Castiel smiled. They had a more sophisticated system during more extreme scenes, or experimental runs, but for general scenes they stuck to the three-light system. Green was for all good, yellow was caution, and red was the hard limit safety word. All Dean had to do was say red and it would all stop.
Satisfied, Castiel moved so he was kneeling on the side of the bed, but not so he was in the way of the camera. He reached around, gripping Dean by the opposite hip with one hand and slipping the other underneath the other side. By this point he'd absorbed enough he was back to full strength, but Castiel was hardly the selfish type. The only reason he'd ever stopped a scene was if Dean gave the safe word, regardless of how much sexual energy he was able to get.
With a single quick movement, he was able to lift and flip his mate onto his stomach, rotating everything from his bound hands to his spreader bar-secured feet. Dean didn't even grunt on the impact. Castiel had to reach over and turn his head so he wasn't lying nose down on the bed. He ran a hand down the human's spine, fingers only stopping when he reached the waistband of lacy panties. He didn't take them off, not yet. Instead he moved on to the end of the still vibrating butt plug. He hooked a finger under the pale pink lace, placing a kiss at the base of Dean's spine and slowly drawing them down just enough to expose his mate's ass. Licking his lips, absorbing the fresh wave of sexual energy Dean was throwing off, he turned his attention to the butt plug. He tugged it partially out before pushing it back in again, twisting it as he did.
Deciding he'd tormented Dean enough for the time being, Castiel picked up the remote again, bumping the vibrations up one more notch. Rather than leave it in like that, knowing all too well it would push Dean over the edge he was fighting to stay away from, he began to draw it out. Slowly, gradually, one bead at a time.
Once the whole thing was out he turned off the vibrations, but he didn't miss ridged muscles slumping in relief. He set the vibrating beads aside with their remote, and for a moment he thought about trying something else. He entertained the thought for a moment, eyes drifting towards the open box still on the floor, but shook his head. They'd had a dry spell for midterms. Dean would need this as much as he did. He could push him farther at a later date.
Castiel got off the bed, unhooking the chain that attached Dean's wrists to the headboard. Immediately his mate's shoulder's tensed, body going from limp to alert. The succubus unhooked the similar chains that bound the spreader bar to the footboard, then set about repositioning him. First he undid one of the hand cuffs, redoing it so that the human's hands were bound behind his back. Then he pulled Dean up to his knees, tapping into his extra strength to pull him forward half a foot before moving behind him. He gently brought his torso up then laid Dean backwards, so his shoulders were pressing back against his own, his knees splayed before them.
The succubus started to reach for the lube, but hesitated. They'd gone without a cock ring before, but not after a dry spell. Wanting to be sure, he pressed his lips to Dean's ear and murmured, "What color are you, Dean? You may answer."
"Green." He sounded out of breath and still a bit strained, but it was hardly surprising considering how hard he was. It had taken painful training, but Castiel had finally gotten Dean to answer that question honestly. More than once he'd had to punish the human for breaking a rule because he'd said green when he should have said something else. It had broken his heart, knowing full well Dean punished himself internally far worse than anything Castiel would do to the human.
Satisfied with his mate's answer, Castiel reached for the lube. He covered himself from hilt to tip, then positioned himself at the human's entrance. He brushed the tip against Dean's loosened pucker, then slowly pushed inside. A groan was dragged from his lips in the process, feeling heated walls clamp down on him. Oh gods, yes Dean was prepared, but only just. Any tighter might have pushed Castiel to the brink, but it also would have hurt his mate.
Castiel settled his hands onto Dean's hips, holding them steady as he began to rock his own. One hand ghosted up and across the human's oversensitive chest, his fingers hooking over the opposite shoulder to hold his torso in place. Settling into a rhythm was easy enough, the hard part was holding it. Especially when he could feel Dean starting to clinch down, fighting an orgasm. For a moment Castiel worried he'd put too much faith in his training, then discarded it. Dean would know better. He should, anyway.
"What color are you? Answer." His own voice was more growl than human. Castiel knew if he looked into a mirror right then his eyes would be glowing, as he absorbed Dean's sexual energy in its purest form.
"Y-Y-Yellow," Dean gasped, voice unsteady.
Castiel ran a quick calculation. He gave it one more thrust, then snarled, "You may cum."
Every muscle in Dean's body coiled tight, though he still managed not to move. All it took was a single thrust more and he tumbled over the edge, body quivering, clamping down hard on the succubus's cock while his own spurted cum. It was the final straw for Castiel, and an inhuman snarl was muffled in his mate's shoulder as he hit his own climax.
Dean had gone boneless in Castiel's arms by the time he slid his spent cock from the human's reddened hole. The succubus lay his mate down gently on his side, removing the cuffs and spreader bar. He lurched to his feet, stumbling around the bed to first drop them in the open trunk then stagger over to the desk, turning off the camera.
That done, he gladly returned to the bed, flopping back onto it next to Dean. Still panting, he untied the blindfold and tossed it aside, rolling the human over so they were facing each other. Overbright green eyes lifted to his face, swollen lips parted as he panted. Castiel caressed his cheek, kissing him tenderly.
"I did it Cas," he mumbled between kisses, drained.
"Of course you did," the succubus crooned, stroking dampened dark blond hair and resting their foreheads together. "You're perfect. So good for me. Such an obedient human."
A faint tremor ran through his mate's body. Castiel kissed him again, caressing his cheek as evergreen eyes fluttered closed. He knew those who were aware of their arrangement, a very short list to say the least, often thought he was the major benefactor. While he was kept very well fed, Castiel often felt Dean got more out of it than he did. Despite the gruff, macho front he wore every single day, it was hardly the same in private. He had a very self-deprecating nature, something that hadn't exactly been aided by his birth father. Dean and his younger brother might have been taken in when he was ten by Bobby and Ellen, but by then the damage was done. He needed this just as much as Castiel did, if not more. He needed to satisfy his mate, please him, be good for him, to be useful and good and worthy. Castiel hated that word, worthy. He was fairly certain he'd gotten Dean out of the mindset that he had to earn his mate's affections, but you never knew.
"Rest, Dean," he murmured gently, fingers still stroking his hair. "Then we can get you cleaned up and something to eat. Okay?"
"'kay, Cas," the human mumbled, eyes still shut.
Castiel cracked a smile, but didn't close his eyes. He was enjoying this too much. Besides, it was a little difficult to sleep considering he was full to bursting with fresh sexual energy. He'd gotten enough to sate him three times over, the last of which he had absorbed during the virtual explosion when his mate had climaxed. Now it practically buzzed in his ears.
The succubus waited patiently, watching his mate's dosing face and counting his many light freckles, fingers tenderly combing through his hair. Dean would wake in an hour or so, and then he'd be ravenous. Until then, he was free to admire and pet his mate as he wished, admiration the human would never allow when he was conscious. Now he had a full hour to sit and enjoy Dean's presence, absorbing it, waiting for the time when those evergreen eyes opened once more.
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