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Up on the Tower

Summary:

Even after years of being together, Lucifer still found ways to get under Alastor’s skin and rile him up.

Notes:

A little holiday present for Yasha! Thank you for deciding to be my friend and keeping me around hehe.

This story is based off on Yasha’s art here on BlueSky, so go check her out!

(See the end of the work for more notes.)

Work Text:

Alastor seamlessly spoke into the microphone on his radio set, serenading hell with one of his more tamed broadcasts, with a tight smile. It wasn’t uncommon for him to bring Lucifer onto it as a guest after their relationship began and they went public with it. Of which the publicity only occurred after the Radio Demon obliterated six blocks when a cocky nobody of a sinner got a little too pushy with trying to come onto the devil. It had been a beautifully devastating blow to what was left of Vox’s ego as the news went wild with the new ‘power couple’ of hell that immediately put the unruly Ring of Pride in line. The other sins, for the first time, left their rings to go to Lucifer instead of having him come to them, so that they could inspect this new boyfriend of his. While they were all very weary about this sinner who had the qualities that the mortals believed the devil had, they couldn’t help but respect his refusal to be intimidated by them. It was clear that this human soul was infatuated in the blond to a degree that not even Lilith had ever reached.

Lucifer was everything to Alastor.

The red haired man would kill for the blond. He would soften his demeanor for the fallen angel. He would move heaven and hell for Lucifer. But… at that fucking moment he wanted to chuck the god damned idiot out the window.

I swear to all of the sins and Lucifer himself that I will bite him to all hell if he keeps tapping his damn foot.

Alastor felt his left eye twitch with irritation, though his voice remained even. It would have been unsightly of him if his voice were to waver midway through one of his radio shows! But damn it if Lucifer didn’t make it difficult. Letting his light red eyes flickered to the blond who had finally stopped tapping his foot… only to start moving around constantly in the lush chair he had conjured up. Usually he was able to tune out annoyances like this to an extent, but there was something about Lucifer - and it was partially Alastor’s fault for being drawn to him so instinctually - that just made it impossible for the sinner to ignore. It was only when the devil did things like this, did it get under his skin like none other.

With what was left of his patience, Alastor turned to the blond and practically snarled at him. “Now then, lowly denizens of hell, my usual guest seems to be rather antsy waiting to be useful, so I give you your king! How would you like to close out our broadcast, my dear?”

Lucifer scrambled to a sitting position since he wasn’t expecting to be called on at all tonight. Sure he had been annoying Alastor on purpose to get him to hurry up and finish a few minute early, but being put on the spot was uncalled for!

“Oh! Uh, heya bitches, it’s your man Lucifer!” Alastor immediately rolled his eyes and rubbed his face because how was it that his lover was still shit at introducing himself. Thankfully the idiot continued on a bit less embarrassingly, “Um, since I wasn’t planning on being a part of the broadcast, I don’t have any juicy gossip. Bu~t we do just have enough time for me to serenade you losers with a song!”

After clearing his throat, Lucifer’s voice carried through Alastor’s radio waves, entrancing the sinners that listened just as much as Lilith’s voice once did. The demon, starstruck as he usually was when the fallen angel sang, felt both loved and hated the way his devil had slowly come into his power over hell. While he loved how they were empowered to truly sit atop hell, he hated how other sinners now had their eyes on what was his alone. If he could, Alastor would destroy the hearing of every pathetic whelp that had the singular blessing in their pathetic afterlife to hear Lucifer sing.

Luci is still too soft on the sinners he spent so long tip-toeing around. But, the moment he fully wields me against those pathetic souls… oh, how hell will be our playground to be endlessly entertained in.

Light red eyes watched as supple lips moved in a melodic rhythm, taunting him to abuse them with a fervor that went against his fundamental nature. Then Alastor’s hands balled into impatient fists as he took in the realization that the devil changed the man that he had been for nearly the past century in so little time. The Radio Demon mentally kept track of every second of the song that passed, anticipating the end of it so that he could claim his reward for being so patient.

The moment the devil stopped singing with a satisfied sigh, Alastor quickly cut off the broadcasting and rushed upon him, putting his hands on the arm rests to cage his fallen angel in. Deep crimson eyes looked up to watch how the red haired man’s antlers grew in size as they creaked, how his smile seemed more like a snarl, how he loomed over him in a manner that should have been unsettling but only felt endearing.

The monster before him was clearly at his wit’s end with jealousy.

“Hah! And to think that they call you a patient man, Alastor.” The devil giggled before lifting his arms to pull his much too tall lover down so that he could kiss those upturned lips. His serpent-like tongue licked the Radio Demon’s lower lip to persuade the man to let him explore his mouth. And, after a little bit of coaxing, the taller man opened his mouth to wrap his tongue around the devil’s. They tasted the other, one sweet and the other spicy, intertwining their wet appendages as they passed sharp teeth that could easily entertain carnage.

As they pulled away from each other to get a moment to breathe, Alastor couldn’t help but hum with satisfaction as a glint of mischief danced in his eyes. “Mm… well you do happen to bring out the worst in me, Lucifer.”

“Bwahahaha! Aren’t you always on your worst behavior?!” Lucifer threw his head back to laugh, his first mistake, leaving his neck unguarded from Alastor’s hungry gaze. The sinner grinned maliciously as he quickly used a long claw to pull the top of his fallen angel’s shirt and bow undone before biting down on that thin neck.

The sound of Lucifer’s unprepared gasp along with the taste of divine ambrosia made the sinner immediately harden. Though he was never bursting with sexual need, the pure ecstasy of the strongest being in hell submitting to him so willingly was mind numbing. It made him crave sensations that were once foreign to him. It made him indulge in acts that he once looked down on. Loving Lucifer had changed a part of who he fundamentally was and, though he thought it would make him weaker, it only made him more daring.

There was a level of pride and entertainment that no one could take from him having the devil choose to stay by his side.

So, when he felt small nails dig into his back, Alastor quickly pulled Lucifer’s bow tie completely off before letting a long finger smoothly rip open the front of the king’s shirt and vest. The blond growled in discontent as the red haired demon gently licked the bite mark he’d left on a porcelain neck. But Alastor paid no mind to Lucifer’s huffy attitude as he moved his arm to wrap around the shorter man’s middle before lifting him up just enough so that he could latch his mouth around a rose gold nipple.

Mmph! A-Alastor! Fuck!”

The small nails that had been digging into his back quickly let go so that the devil could snap their clothes away, leaving them both completely bare, before returning to his broad back. Alastor grinned maliciously as he unlatched his mouth from Lucifer’s chest, leaving yet another set of bloodied teeth marks around a pert nipple.

Ngh… you damn tease.”

“You say that as if my teasing isn’t one of your favorite interactions filling your days and nights.” The Radio Demon chuckled darkly before fully lifting the devil up from the chair to place him on something a little bit taller. The blond felt like a porcelain doll with how easily Alastor picked him up and moved him around so that his bare ass was resting on the edge of the table the radio set was on. He shivered from the contact between the cold metal and his flushed skin before feeling large hands pull his knees apart making his erect cock bob at full attention. The golden tip was already dripping with precum even though all Alastor had done was kiss and bite him.

Just as Lucifer opened his mouth to mouth off at the sinner, he yelped instead as he gripped the edge of the metal surface to keep steady. Another satisfied hum of static surrounded Alastor as he bit Lucifer’s once pristine thigh before lapping up the golden blood. The devil’s eyes immediately flashed golden as his horns sprouted from his forehead with irritation licking at him.

“You’re not a damn dog, Al! Will you quit fucking biting me so mu- ah!” The devil could only gasp once more as Alastor kneeled in between his legs and bit him just below his hip bone where at the top of his thigh. Alastor had already decided, since Lucifer wanted to share his angelic singing with just any pathetic sinner that listened to his broadcast, then he was going to make a point to brand the fallen angel as his.

The sinner smirked, licking his now golden lips dripping with angelic blood, as Lucifer’s hips instinctively bucked and his legs spread wider. The pouty whine that escaped his sinful lips was the very essence of temptation to Alastor’s sensitive ears as he looked down at the clenching rim of the devil’s ass. Without much warning, Alastor ducked his head down and let his tongue breach Lucifer’s ass, plunging it deeply.

The fallen angel quickly let go of the edge of the hard surface and threaded his fingers into bright red hair and pulled in an attempt to pull the sinner’s face even closer. His thighs kept the Radio Demon’s head in place as his ankles locked together and he began rocking his hips in tempo with the sinner’s tongue. Lucifer gasped and moaned every time the wet appendage in him would press down on his prostate. It was a delicious sensation that only intensified when two of Alastor’s fingers slipped into him and began scissoring to loosen the muscles of his rim.

“A-Al!” The blond groaned throatily as he felt his inner muscle clench, only to let out a disappointed growl when the sinner retracted his masterful tongue away. But it was quickly smoothed away into a whine as Alastor’s tongue trailed up, momentarily pressing against his balls, before making its way up his shaft. It felt electrifying to have that cool wetness press against the hot, angry vein of his cock before swirling around the head, which was a flushed golden hue.

A choked moan sang from his lips, making Alastor’s sensitive ears twitch excitedly, as the sinner engulfed him fully into his mouth. Even years later, it never ceased to amaze red haired demon the lengths he was willing to go to please his fallen angel. He continued to lick and suck on the pulsating cock before he abruptly pulled back, making an audible pop, as soon as he noticed the signs that Lucifer was close to orgasming. The desperate cry of being denied release was music to Alastor before he pulled his fingers out of the tight hole he’d been thoroughly warming up.

A wide grin plastered itself on Alastor’s lips as he pulled Lucifer’s legs apart so that he could stand up in between them. The devil was forced to let go of the red hair he had been tugging on for dear life and let his hands trail down the broad chest in front of him. His deep crimson eyes roamed his partner, loving that this was his to tease until he drove the deer mad with desire like none had ever been able to. Lucifer opened his mouth to continue poking at the overlord but, before he could be the mischievous brat that he was, two large hands picked him up and flipped him around so that his chest slammed onto the cool metal surface he’d been sitting on.

“Hey! Watch it! The last thing I need to is slam my face on a button and put us fucking on air!” Lucifer pushed up off the flat surface so that his hands rested in front of some papers and the old timey radio microphone that Alastor kept around for nostalgia’s sake.

“Hah! My dearest and daftest devil, after all this time, don’t you know that you could press every button on my set and not a single sound wave will escape this tower unless I will it?” Alastor giggled before grabbing the base of his shaft so that he could align his cock along the valley of Lucifer’s ass cheeks. Opening his mouth, he allowed saliva to drip from his tongue and onto himself to quickly make his dick rub sloppily just above where he wanted to be buried. And, as he kept himself from slipping into the devil, his other hand kneaded a beautiful porcelain mound.

I want to mark this pretty little ass up until just as pretty tears stream down his face.

“I’m talking to you Al?!” The sinner’s mind was brought back to present as he felt a small hoofed foot step on his own to get his attention. “You told me I wasn’t allowed to touch your shit or else it would mess with your broadcasting!”

Alastor couldn’t help but genuinely smile at Lucifer as he looked back over his shoulder with a disgruntled expression of a man who had been duped for years.

“Come now, darling. I’m a demon in hell and the top of the top in your ring of Pride.” The overlord’s lips ghosted over the red markings on Lucifer’s back before hover over his right shoulder blade. “I’m almost hurt that you would expect any less from me.”

“Hah! Bite me Bambi! You-“

“Your wish is my command, my king!”

“Wait, wha- ah!” The mischievous demon was quick to use Lucifer’s words against him as he bit down on that pristine back, leaving another bloody bite mark, all while shoving his cock past the puckering rim of the devil’s ass. Alastor growled out a groan, biting down on his bottom lip to keep from orgasming right then and there. The devil always felt like a slice of heaven in such an addictive manner that the Radio Demon could barely comprehend what his life and afterlife was like without such ecstasy.

Their bodies stood still as if time had come to a stop while they attempted to not be the one to come undone first. A few moments felt like eternity before they both let out shaky breaths, alerting the other that they’d succeeded in controlling their pleasure.

The fallen angel was the first to start wiggling his hips as if he hadn’t nearly just gotten the wind knocked out of himself. Alastor was always so filling even when he was he didn’t go all eldritch horror on him, well… in him. Lucifer always relished in the fact that he was and would always be the only one to see this desperately lust driven side of his beast. This was his and he wouldn’t give it up for anyone or anything.

“C’mon Al. You want to bite me like some sort of rabid beast? Then fuck me like you’re trying to lay claim on the devil!” Alastor’s groan sounded choked as the blond intentionally squeezed his inner muscles around the large cock pulsating within him.

Damn… I want this thing down my throat next. Maybe in a couple rounds… heh.

“First temptation? More like a teasing little shit who needs to learn what happens when you push my restraint!” The fallen angel laughed gleefully knowing very well that the Radio Demon loved when he would push his buttons and the bounds of his self control. The growl from his sinner was sinful in its own right and it made an electric shiver shoot up.

Before Lucifer had a chance to retort back, his eyes nearly rolled to the back of his head with a moan as Alastor immediately jumped into a break neck pace, slamming his hips as flushed to his ass as possible. The slight graze of the sinner’s fingers teased the length of his shaft, while his other hand moved to hold his neck, only served to make the tip of his cock leak uncontrollably. Damn did he love when he allowed Alastor to fuck him roughly and take full lead their love making. It always felt like he was able to let himself go and not need to think, only feel good, when his handsome buck was feeling bold. His cock always put such a perfect amount of pressure against his prostate while the bulbous head kneaded his insides like it was attempting to remold him from within.

“Fuck Al! Nngh! You fill me so damn well.”

Alastor threw his head back and laughed, golden blood dripping down his chin, as he maneuvered the hand that he was supporting Lucifer from the front of his neck to the back of it. He put some force into pushing the devil down onto the table so that his already sensitive nipples rubbed against the smooth surface.

“And you - hah - take me so well like such a good and willing little angel, love.” Lucifer felt the coil in the pit of his stomach compress impossibly tight at the praise making him cry out. Even after years of being together, Alastor was always very sparse with such praises, which made them worth so much more.

The sinner could feel the shift in how Lucifer twitched and moaned, telling him that his angel was close to falling into the depths of pleasure and release. He let go of Lucifer’s neck and cock so that he could grab those thin wrists of his by his tender hips to leverage more control over the devil’s body. And that clear possession of the blond’s body did more for his mind than any drug could ever hope to do. Alastor was going to make him cum and scream his name without allowing him to touch himself.

And Lucifer immediately realized what was going through his partner’s mind when he felt, not only his arms by his side, but the sinner shifted the angle he was pistoning into his ass. Tears fell from his eyes and an overwhelming sensation of pleasure hit him like an itch that he couldn’t reach.

“A-Al! Shit! Stroke my dick or something. Please! I’m so close! Ah! Fuck! Alastor!!!” The fallen angel begged as his legs began to kick and tremble underneath him, threatening to give out any moment. The coil in the pit of his stomach slowly inching to breaking loose though not fast enough.

On the other hand, Alastor was fighting his demons to draw this out as long as demonly possible. His shadow telepathically relayed how tears and saliva were making the devil a sloppy mess beneath him on his table. His pride was through the roof of his radio tower and he could only bring himself to laugh maniacally.

“If only heaven could see how far you’ve truly fallen after you fell into my clutches!” With that declaration, the monster in the back of his mind told him that it was time to taint and dirty what was his. Alastor’s hips began moving at a sporadic rhythm as he chased his orgasm like a man with nothing to lose. He grunted and growled as Lucifer cried and screamed his name.

Then the explosion of heat filled the devil igniting his own orgasm as Alastor let out a blast of radio static while slamming them both forward. Lucifer’s hips screamed as they hit the edge of the table, they would surely be bruised in no time, but the pain was nothing compared to the stars that ignited in his vision. He could see the celestial dust whirl in beautiful swirls of colors and shapes before coming together to compress into life. In his degenerate state, Lucifer felt more powerful and prideful than he’d ever been before meeting the sinner still unloading cum into his ass.

Alastor let go of the now bruised wrists of his beautifully stained angel to grip the edge of the table before pressing his chest to Lucifer’s back as best as he could given their height difference. He heaved hot breath onto the back of Lucifer’s neck before biting down on it to hold the blond in place. The shorter man let out a breathless whine, still not having come down from his high, as his hands shot up to grab Alastor’s arms since his legs finally gave out with the dry orgasm that followed in the waves after his initial ecstasy. The overlord continued to stay balls deep in the king as his mouth unlatched from his beautiful daffodil to lick the wound with care making Lucifer’s mind preen even though his body was limp.

The devil loved how, no matter the form he took or the fact that it was impossible, the Radio Demon would fuck him and stay connected to him as if he was trying to impregnate him. He was a man with only physical animal characteristics, and yet would lose himself to possessive instincts that were that of a beast.

After a few minutes of panting, the two of them sighed as they finally came down from their high before Alastor finally pulled himself out of Lucifer. Normally he would have found the mess he found himself a total disgrace, but it was all because of his beautiful devil so he could only feel pride. The sight of his seed leaking out of a lightly swollen rim nearly made him plunge back into Lucifer with reckless abandon.

Instead he had his shadow tentacles plug up Lucifer’s ass to keep it from leaking before having his shadow pull his chair over so that he could sit back. The devil mewled as he felt a cool yet smooth tentacle push cum back into him. His crimson eyes then looked over his shoulder to see a pair of light red eyes still surrounded by black sclera assessing the artwork left on his skin. An impish grin spread across Lucifer’s face. He preened how possessive his chosen sinner was for him. He reveled in how his calculative monster became a rabid beast so easily for him. He loved how much Alastor desired him even after so many years of being together.

“Does it make you happy to know that I’m full of your cum, big guy?”

“Hm…” Alastor stared at how Lucifer was wiggling his ass, golden and bitten, before deciding that the little shit deserved to struggle walking for the next week. “Tough luck, Luci. I won’t be satisfied until your mind and body are full of nothing but me.”

“Wha-?! They already ar- AHH!” Lucifer’s attempt to rebuke his lover after a sudden chill of danger ran up his spine, or maybe it was arousal, either way he was cut off when he felt shadowy tentacles pull him into a shadow before spitting him out on Alastor’s bed. Suddenly, his grand plan to rile the Radio Demon up didn’t seem like such a good idea anymore. So, as he gathered his bearings and rolled onto his back, his golden eyes rose to look at the beast that was stalking closer to him from the other end of the bed. Hungry, painfully erect, and ready to feast all night long.

I’m so fucked.

Notes:

Thanks for reading this fic and for leaving any kudos/comments! You can find me on BlueSky.