#Dean Winchester x Castiel | Explore Tumblr Posts and Blogs

gococogo · 7 months

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Day 10: Priest/Demon

Kinktober 2023 masterlist will be after October

「Synopsis 」 : Castiel is a priest that has a bad habit of calling upon a certain incubus. It's becoming a pattern that it has the demon, Dean questioning what Cas does outside of the church. But the priest doesn't like sharing is outside life.

「Word count」 : 4.4K

-> Genre: Supernatural Smut

Paring: Demon!Dean Winchester and Priest!Castiel

[Warnings] :Smut/Degrading/hints of dubcon/Demon!Dean/Priest!Cas/Top!Dean/Bottom!Cas/Anal/Choking/Tongue Fucking/Man Handling/Size Kink/Biting/Sadism/Masochism/Blood/nsfw/READ WITH A HINT OF SALT

The symbols are a mess and the chalk breaks in half for the third time. Castiel breathes frantically as he draws the insignias in the circle. He needs to make this deal. It’s the only way to help him. He’s the only one in the church but hopefully not for long. Only the candles and lanterns are lit in the church to give light since the waxing moon outside isn’t giving much tonight.

Castiel is just glad this ritual doesn’t need any specific moon phase or a certain hour of the night or a certain person to do it. Because he knows for a sure that a priest like himself wouldn’t be able to make a lot of rituals for where he stands in the church. For this ritual though, anyone can do it because the demon will take any soul. They don’t care, they don’t meet any requirements to give out your wish, just your soul.

Now see, Castiel has worked his way around this. Never in the demon’s word do they say that they need your soul. Castiel still has the entirety of his soul intact and will keep it like this. He would like to go to heaven when he dies and not some demon’s pet. He knows what lies beyond. But would he ascend for the stuff he has done? Or would he be damned where all the demons and the devil lies in wait. They must find this one big joke, a priest dealing with them more than once.

He finally stands up and looks over his work. He walks over to one of the church chairs and picks up the small jar that has a small soul flittering around inside. Somewhat like a firefly. One would think that souls would be bigger and yes, they do pack a large amount of energy. The source itself is quite small. Doesn’t take much for a demon to go feral over.

Castiel places the jar in the middle of the circle and steps backwards until he’s out of it. He’s careful where he steps, not wanting to smudge the chalk. He begins speaking an old, forgotten language only known to living demons now. The chalk begins to glow a red, crackling and sparking like live wiring. The soul begins to frantically bump around in the jar. It knows what’s going on.

A hand reaches out from under the jar and grabs it, black fingers wrapping around it and dragging it into the ground. A chuckle comes from the spot in the circle and Castiel doesn’t let it sway him from his words. He keeps speaking, reciting the lines to allow the demon to cross over. The chalk bursts into flames and Castiel has to step back to not get burnt. The flames all lean and flicker towards the centre of the circle and the priest just hopes that no one calls the fire department. He’s had it done to him once before and it was an embarrassing thing that had happened.

Suddenly, in the centre of the flames rises the demon. The fire licks his structured body but it does not burn him. His light brown hair is short to his head and he doesn’t wear much. As the fire slowly dies down. Castiel is able to see the old scars that line the demon’s body. He’s finally able to stop his reciting and let the ritual finish itself. Let it stabilize so the demon can leave the circle without harm.

Pitch black eyes stare at the priest before they flicker over to more human eyes that are always the same sage green. A smirk comes across his face as he sees who has called upon him. He has dealt with this priest multiple times. He stopped asking a while ago where and how he got his souls. The priest said it was a secret, so the demon never pushed.

“Cas!” The demon calls out. “It’s good to see you again.”

“Dean,” the priest keeps it short.

Dean is a demon that makes deal. But he isn’t any type of crossroads or bargaining demon. He’s an incubus. One that makes deals for a soul. The deal made with something more than blood or a signature. And for some reason, Dean always finds himself in front of this particular priest.

“What do you need tonight?” Dean asks as he places his hands on his hips.

“I need you to erase all evidence of me in the police records,” the priest says with a little haste.

Dean raises his eyebrow at that and begins walking closer Cas. His thin tail flicks from behind him. It’s a cliché demon tail with an arrow like tip on the end. It’s a charcoal black, like the line that runs from his neck down the centre of his back to the tail.

“Oh, so someone has been a naughty boy again?” Dean tsks and lightly pinches Castiel’s chin between his thumb and pointer finger. “What do you do outside of being this priest?”

Castiel looks up Dean’s up and meets his eyes. “That’s for me to know,” he says a little too confidently that lean towards cocky.

That leads to the incubus to raise an eyebrow. “The answer is always the same, Cas. When will I get to know you?” He asks.

“Never,” the priest says bluntly. “This is strictly business.”

Dean doesn’t believe that. He looks the priest up and down, waiting for the punch line. There is none. He sighs and turns around, facing his back to Cas and he lets his tail feel up the priest from the crotch to his chin, flicking him on the nose. The priest stiffens up, blushing bright but never taking his eyes off the demon in front of him.

“If this is strictly business, then you could make this deal with any other incubus. But…” Dean says as he turns back around to the priest, “you always ask for me. I think this is a little more than business, Cas. Don’t you think?”

Dean gets real close to the priest now and sees the reddens that flushes his cheeks. It’s cute. Castiel looks away but it’s very hard when he is nose to nose with a demon. But the look is all Dean needs to tell him everything.

“So, you want me to get rid of all evidence of you in any of the laws hands?” Dean asks, his lips inches away from Castiel’s.

The priest looks back to Dean from under hooded eyes. He slowly brings his hands up to grab onto the demon’s arms. He’s warm. Almost burning to the touch.

“Yes,” Castiel breathes.

The demon’s hands come up Cas’s sides, sending a chill down his back. If Cas has to be honest, he would say he isn’t the best priest in town. All because the seal in the deal is something he always looks forward to. Or dealing with a literal demon would make him the worst priest. That would be a starter.

Dean backs Cas up with a hand on his chest until his calves hit the front pew chair. With a shove, Cas is pushed down onto the bench with a grunt. All without taking his eyes off the demon. Dean looks down at the priest with a sly grin, showing his fangs off.

“Someone has definitely been a bad boy then,” Dean chuckles lightly to himself.

The name goes straight to Cas’s crotch and he can’t help it. Outside of this Castiel wouldn’t let a single soul know what his true desires are. Not even when he has another in bed, he’s the one in charge. He has to be otherwise he won’t enjoy it. But then there’s Dean. A literal demon that has the priest’s knees turn to jelly every time he summons him.

“Come on,” Cas bites back.

Dean tsks at him with his brows furrowed. “No no, tonight isn’t going to go how you like, dearie. Tonight I want some answers from you if you like it or not,” the demon says playfully.

“What?” Is all Castiel is able to get out before Dean grabs him by the front of his shirt and lifts him up. He swings him around and pushes the priest back into the ritual circle. Castiel trips over his own feet and lands heavily on the floor with a grunt. His ass hurts now and he feels like he’s sprained his right wrist.

This is not what Castiel was expecting tonight. He needs his name wiped now otherwise police are going to be here by morning. He goes to stand up but Dean presses a foot to his throat and the back of his head hits the floor. Castiel grabs onto his leg and tries to lift it off of him but the demon doesn’t budge.

“Get off me,” the priest wheezes out through his teeth.

Dean only shakes his head, “I will when you tell me what kind of person you are. Every time I leave when we have one of our one night stands you always leave me with questions. Where you get your souls so you can keep your own and,” he bends down so he’s still pressing on Castiel’s neck but he can get right into his face, “why you seem to be on the run from the police every time we meet.”

Castiel tries to speak but his windpipe is currently being crushed so his words come out as little rasps and grunts. He hits the demon’s leg but yet again, Dean doesn’t budge. He can’t breathe properly and the grip he has on the demon’s leg starts to slip. Black dots start to come to his vision.

Dean all but watches as Castiel’s face becomes red. Before the priest blacks out, he takes the pressure off of his neck. Castiel takes a large inhale in, gripping on his leg tightly. He breathes deeply, getting air back into his lungs. His chest burns and he coughs and splutters.

“What the fuck!” Castiel snaps, his voice hoarse.

“I’m curious is all,” Dean replies.

The priest sighs a, “Fine.”

Dean doesn’t move from his spot, knowing damn well that this priest is going to do something if he lets up. He can see it in the dark blue eyes of his that he wants to buck and claw. As much as Dean wants to continue this deal his curiosity has gotten the best of him. This priest isn’t the goody two shoe he makes himself out to be.

“I punish the sinners of my church,” Castiel confesses.

It almost feels like he’s one of his victims in his confessing booth. Dean has heard of priests like this. He never thought that Castiel would be one of them. But now thinking about it he should have seen it coming.

“So, they confess to you their bad shit. You see it as a sin that can’t be forgiven and take it into your own hands, hmm?” Dean sums it out. “Am I right?”

Castiel stares up at him. “I’m committing an act of service for my lord.”

Dean rolls his eyes and takes his foot off the priest’s neck only to press it down onto Castiel’s crotch. He doesn’t step down hard but it’s enough for it to sting and Castiel to hiss. His hands come to grab at Dean again but he stops himself, balling his hands into fists and holding himself tense.

“I never took you for one of those priests,” Dean says with a smirk.

Cas looks up at him, trying to hold himself together but he pants lightly and a sheen of sweat is starting to form on his forehead. He’s hard and he knows Dean can feel it. He’s enjoying this rough housing a little too much for his own liking.

“I’m filled with surprises,” Castiel breathes out. “Now are we going to continue this deal?” He asks a little urgently.

Dean purses his lips and thinks for a moment. It would be a waste not to. He takes his foot off of the priest and takes a step back. The priest already looks a mess and he hasn’t even done anything to him yet. His hair a mess and his shirt sticking to him from the sweat.

“Take your clothes off,” Dean orders down to him.

All while looking up at the demon through his lashes, Castiel hooks his finger into his white collar and takes it off without hesitation. Without it, he looks like an average man in all black. He begins unbuttoning his shirt to reveal an average build. He isn’t built or anything but he’s got a v line that accents his hipbones. After chucking the shirt aside, Dean watches with hungry eyes as the priest begins shuffling off his dress pants. He shucks off his shoes and then he’s able to get his pants off properly.

Castiel is hard and his dick sits between his legs with an eagerness. He lays back on his elbows in the centre of the ritual, waiting for the incubus to make a move. Dean soaks up the sight a little longer before sinking down to Castiel on his hands and knees.

“You’re sloppy at your job. That’s why you’re always coming back here to get me to cover your ass,” Dean smirks into his lightly said words.

The priest’s face screws up. “Even though I told you about what I do doesn’t mean you need to bring it up,” he snaps.

Dean chuckles. “Oh, but I’ve learned something new about my favourite customer,” he smiles as he ventures down Castiel’s body, trailing his fingers down his belly. “It makes you all that much interesting.”

Castiel doesn’t comment on that as he’s too concentrated on the incubus hovering over his dick. But that’s all Dean does, he hovers. He doesn’t touch it or spit on it. He instead grabs the back of Castiel’s thighs and lifts his ass up into the air. It takes him by surprise and he has to plant his back fully on the ground so he’s not folded awkwardly in half and it doesn’t hurt his back.

“You know,” Dean says without taking his eyes off Cas’s ass. It makes the priest feel exposed and he knows the demon is going to talk more about this new found information he just found out. “Knowing you’re not this goody two shoes makes me like you more. I love me a bad boy,” he says.

Before Cas can reply he’s stopped by the sight of a long tongue flicking out of Dean’s mouth. Without a warning, he licks a long hot strip along the priest’s ass. He flinches at how hot and wet it is. The second long lick is a little less surprising than the last but it still has Castiel holding his breath the entire way. Then, Dean dives his tongue into his ass. It draws a shuddering breath out of Cas at the foreign feeling.

They’ve never done anything like this. He didn’t even know that Dean’s tongue could get so long. And it feels like it just keeps going and going as it thrusts into his ass. Dean licks and brings his tongue out to only go in a little bit further than before. It’s hot and wet and thick and Cas quickly finds that he really likes this. His dick is hard and twitch at every new sensation the demon is bringing to him. Dean grips onto his thighs tighter as he buries his nose into the priest’s balls to get that little further into him. He draws back, breathing in deeply before going back in.

Cas can’t help the whine the comes back him. He tries to hold onto something but there’s nothing around him but the ground he can claw at. He finds his eyes drifting up to the ceiling and he gets lost in the hot pleasure that Dean is giving him.

Dean pushes Castiel’s thighs more so that his knees are beside his face. The tongue is pulled all the way out and the priest releases a short exhales at the sudden loss of feeling full. Dean licks a long strip from his ass to his balls to his sensitive dick. A shiver runs down Castiel’s spine. The priest locks his hands behind his knees so that he has something to grab onto as Dean runs another hot strip from ass to dick. The tongue is shoved deep into Castiel’s ass once more making him flinch. He tongues his ass for a little longer, making sure the priest is ready and a panting mess. All Castiel can do is watch as the tongue disappears into him, feeling himself become hot from the wet appendage. He feels full now, but he knows how big Dean is. He knows what Dean is doing right now. The demon normally prepares him with just fingers and a little time. But Dean seems desperate to get him ready for his cock.

When the incubus is satisfied, he pulls his tongue out with a saliva string connecting them. Dean lets go of his thighs but Castiel holds onto his own legs. The demon removes his garments, chucking them to the side. He looks back down at the sight in front of him and can’t help but stare. Castiel is all his. He’s beautiful. Ready for him.

Dean lowers himself over the priest and presses his hip against Castiel’s ass. Castiel lets go of his legs and wraps them around the demon’s waist as he comes face to face Dean. Green eyes stare at plush lips. Dean wants to kiss him but he resists for a moment.

“Do you collect these souls to see me?” Dean asks with a smirk.

Castiel can’t help his face become redder than it is and he wants to looks away. Anywhere but the demon but he can’t look away. He can’t bring himself to.

“What if I do?” The priest asks with his own cockiness.

Dean pulls away slightly, his smile growing and fangs showing. “I’d be flattered,” he chuckles deeply. “But like I said, you’ve been a bad priest. You haven’t been following the acts of your lord, dear Cas. Someone has to punish you for the sins you’ve committed.”

The thought of punishment should waver this moment but it only makes the priest curious and interested. His eagerness must be readable because it brings another smirk to Dean’s face. He grabs onto Castiel’s waist and lines himself up. His cock is thicker than his tongue and Castiel knows from experience that it’s longer as well. And it does take a bit getting use to.

Pushing the head to Castiel’s hole, the priest’s breathing quickens. Dean takes notice but he doesn’t care as he pushes in rather quickly. The feeling is very different to the soft wet tongue. The sting doesn’t hurt, he’s felt far worse but it’s uncomfortable. Yet it grounding. He likes the sting. He likes the fullness that comes with every bit of himself that Dean pushes in. He thrusts in a little bit and comes out all the way only to come back down a little bit further.

Castiel finds himself whining with each thrust forward. He can’t help the noises that are forces from his throat. Dean concentrates on getting all of him into the priest, holding Castiel’s hips so tight that there’s going to be bruises there tomorrow. Castiel quickly gets lost in the pain that slowly brews in his gut, holding onto Dean’s shoulders for support.

There’s an inch that Dean can’t fit in and it frustrates him. He changes his angle slightly, moving forward so he can put his hands on the floor near Castiel’s head. With pushing forward he lifts Castiel’s hips into the air again so he can drive straight down into his ass. He pulls out and slams his hips down, pushing his entire length into the priest. Castiel feels like he’s just had the wind knocked out of him. His mouth is wide open and only a silent groan is heard as he exhales. He shakily inhales in, closing his eyes tightly at the painful throb emitting in his gut. Now, it’s getting a little much.

Dean stays still for a moment. Feeling Castiel clench around him. Feeling his warmth and listening to him squirm brings a sadistic feeling to him. His hands slithers around the priest’s throat and he holds it there, looking at those pretty blues staring back waiting for his next move. Then he starts squeezing.

Castiel grabs on his arms but doesn’t pull him away or tell him to stop. His face turns up into a grimace but that’s the only indication that Dean gets that he’s uncomfortable. Either Castiel trusts Dean not to snap his neck right now or he’s stupid. Either way it’s both. Dean squeezes a little harder as he pulls his dick out halfway. He watches the priest’s pained expression as he slams back in. Castiel breathes out of his mouth raggedly, a moan cut short as he isn’t getting enough air into his lungs.

Dean quickens his pace, slamming his dick down into the priest with determination. Castiel wheezes with each thrust but it’s getting very hard to breath as Dean keeps pushing down a little harder each time. He finally grabs onto the hands that are holding him in place as he feels himself become light headed. His head swirls as there’s so much happening through his body. Dean notices, coming out of his high and but only squeezes a little bit harder.

Castiel chokes, not being able to draw in breath. He begins panicking as his body goes into flight. But Dean takes his hands off his throat completely before the black dots dancing around the room become bigger. The relief that floods through his body at that first inhale is blissful. It’s very hard for the priest to catch his breath though when he has a demon hitting his prostate with every thrust.

“Dean,” Castiel chokes out, his voice boxed abused.

The demon tsks as he grabs the priest’s wrists and brings them above his head. Dean pushes in dick in further and almost folds Castiel in half again. He stays there for a moment, giving the priest the privilege to catch his breath. The mix of pain and pleasure that washes over Castiel creates a fogginess over his mind that is almost intoxicating. He lays there just taking Dean’s abuse, his half hard dick bobbing against his stomach.

He begins to phase out, drowning himself in the buzz that is slowly taking over his body. But it all changes when Dean comes down and bites hard at Castiel’s nape. This, this the priest reacts to badly. He flails and screams silently as he grabs onto the demon, trying to push him off as he can feel his fangs sink into his flesh. But Dean holds on, claws digging into his arms as he holds Castiel in place.

Dean lets go finally and licks at the bite mark. Without having to look, Castiel knows he’s bleeding. The entire time, Dean had not let up his pace on him. The demon chuckles darkly in his ear before pulling away from the panting priest. Castiel looks up to him through hooded eyes, suddenly not having the energy to do anything else. Blood covers the demon’s mouth and chin and all he does is lick it up.

“You taste sickly sweet, Cas,” Dean purrs out.

All the priest can respond with is a grunt and a groan. He can feel himself coming close but he’s right on the edge. He can’t tip over to seal the deal. He needs to finish it. But the fucking demon above him smile wickedly, knowing what Castiel wants, knowing what he won’t give him.

Dean wraps a hand around his cock, but he doesn’t stroke it gently or firmly. He squeezes the base roughly so that if Castiel does want to come, he can’t. This, this has Castiel breathing heavily, his heart beating loudly in his ears. Dean is going to lengthen this out the best he can.

But Castiel doesn’t have all night. He grabs onto Dean’s wrist and tries to pry it off. But the stubborn demon holds tight, snarling down at him.

“Let me finish this, Dean,” Castiel urges firmly.

“Why should I?” The demon hisses as blood drips from his chin.

“I won’t call upon you next time,” the priest bites back.

Dean’s movement faulters and his eyes widen slightly. A flicker of desperation crosses over the demon’s face. Something along the line of uncertainty. It all turns into a toothy scowl as he lowers himself down to Castiel’s face.

“And why shouldn’t I kill you now so there isn’t a next time?” Dean threatens lowly in his face.

“Because if you do, there won’t be a next time.”

Now Castiel’s seem to hit home. It strikes harder than Dean’s hollow threat. The priest knows far too well that this demon likes this way too much. Likes the idea of fucking a priest on holy ground because he can. Because a priest is letting him. A dirty priest let it be known. Dean finds that humorous and he wouldn’t give that up.

Because this is the best fun he’s had in eons.

He snarls and begins harshly stroking the priest’s dick to the timing of his thrusts. Now he’s on a mission. His head becomes bowed, his tail flicking aggressively behind him as he works Castiel.

And this, this has Castiel panting through his nose and biting his tongue to keep the grunts and groans from escaping his mouth. But Dean’s fingers come to his mouth, prying his jaw open so that all the priest can do his moan out loud. He holds onto Dean as he starts to come close again, his noises becoming louder and louder. It’s very hard not to when each and every time the demon pounds into him it’s straight into his prostate. It feels like his entire gut is on fire at this point.

When Castiel comes, it wracks his entire body. His vision goes black and spotty and his nerves feel like they’re fizzing out like a fire sparkler.

He comes back to Dean coming deep in ass with a growl. His claws dig into his thighs, holding him in his place. The sensation of being filled sends a shiver up Castiel’s spine as whatever cum was left in his dick comes out onto his stomach.

He’s a mess. But the deal is done.

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