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Utterly, hopelessly in love

There are people who it’s a bad idea to fall in love with. The courtesan of a monarch from a country who’s looking for an excuse to invade and you’re trying to make an alliance with is one of them. Lucifer can’t help but love Angel anyway.

Fandom: Hazbin Hotel, Helluva Boss
Relationships: Angel Dust/Lucifer Morningstar, Angel & Lucifer & Asmodeus, Angel & Lucifer & Satan, Lucifer & Mammon
Characters: Angel Dust, Lucifer Morningstar, Asmodeus, Satan, Mammon
Rating: E
Words: 3,369
Type: Oneshot (15kisses)
Warnings: Asphyxiation
Tags: Human AU, Emperor Lucifer, Courtesan Angel Dust, Forbidden Love, Implied/Referenced Cheating, unintentional and intentional cockblocking alike, Lucifer doesn’t know how to love a regular amount, minor Asmodeus/Lucifer, minor Asmodeus/Angel Dust, Minor Angel Dust/Valentino, Minor Lilith/Lucifer
Originally posted: 2026-02-10 Logo for Archive Of Our Own in pink


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Notes

We've reached the end of this series. It was fun using it as a way to try out a bunch of AUs. You have definitely not seen the last of me in the AppleDust tag though. This was written for the word 'empire'.

On a list of things that were a bad idea to do, sleeping with the courtesan of a monarch of a country you’re trying to make an alliance with was definitively in one of the top spots. Especially when said courtesan was the lover of someone as jealous as Valentino.

 

His own empire and the country led by Vox, Valentino and Velvette had had tense relations for years now, but if they found out that Lucifer was sleeping with Angel, he knew that the outcome wouldn’t be pretty. Vox was already sniffing around his territories, just looking for an excuse to invade, to claim more land to validate his need to call himself an emperor in his own right. The only reason he’d stayed out was because of his respect for Lilith. He’d certainly made it clear that he held none for Lucifer.

So really, taking Angel as a lover was one of the worst things he could do at this particular moment. But it was hard to resist Angel’s charms, and he’d always been one to fall in love easily.

He knew how Valentino treated him, making him hate having to see him go back to him. Not like either of them had a choice in the matter. Valentino wasn’t going to willingly let Angel leave. Lucifer loved him all the same.

 

Taking full advantage of the Vees' disinterest in him, he had snuck away, zero interest in getting veiled and outright insults alike thrown his way while shooting ducks (something Lucifer hated doing anyway, but a lot of other royalty seemed to think was great fun – he felt like Vox liked that activity even more because of Lucifer’s known love of them), Angel soon following.

 

He could feel the coolness of the stone wall behind him even through his coat, their hiding spot shrouded in shadows. Angel’s body was warm against his, pressed flush against him. He felt Angel’s leg slide in between his, rubbing against him, his moan stifled by Angel’s lips on his. Lucifer stood on his tiptoes to reach into the kiss, his arms wrapped around Angel’s neck, his height threatening to pull him off the ground entirely.

They had intended to hide away in his and Lilith’s rooms, but right outside, Angel had grabbed him, pushing him up against the wall, hidden behind well-manicured trees and bushes.

The added threat of being found added a thrill that made him all the more receptive to whatever touch Angel was willing to offer, his fingers pushing up underneath his shirt making him shiver.

He felt Angel’s other hand squeeze his ass tightly, the first sliding down the front of his trousers, and he was thankful for Angel’s lips on his, knowing that the sound he would have made otherwise would have been obscene.

As he broke the kiss, he ran his fingers down Angel’s cheek, his smile gentle.

“If I didn’t know any better, I’d say you were trying to get us caught on purpose.”

Angel laughed, leaning down to press his forehead against Lucifer’s. The look in his eyes was playful. “Maybe I am.”

 

“Luci honey, I’d normally be all for some good outdoor fun, but if you do it with him, it’ll bring war right to your doorstep.”

 

Heads snapping to the side, they stared wide-eyed at Asmodeus, one of Lucifer’s advisors and closest friends. Though he was smiling, there was an edge of seriousness in his eye that couldn’t be missed.

Lucifer glanced up at Angel as he spoke. He swallowed a moan as he felt Angel’s fingers squeeze around him, hand still firmly underneath his waistline.

“You’re free to join us, if ya want.”

Asmodeus let out a laugh. “Oh, you’re shameless. I like you.”

As he stepped closer, he leaned down, fingers brushing Angel’s cheek, clearly admiring him, maybe even considering the offer (it wouldn’t be the first time Lucifer had a threesome with Asmodes, after all), before pulling back again. “I meant what I said earlier. Your affair could start a war, so I suggest you either move this inside or find a better hiding spot if you insist on doing it outside.”

“We’ll, uh, we’ll do that. Thanks, Ozzie-ah.” His hand darted out to grab Angel’s shirt, fingers clutching tightly to the fabric. The quiet snicker Angel let out as his hand started to move beneath the fabric of his trousers while Asmodeus’ eyes were still on them made his toes curl.

Angel’s hand then withdrew, leaving him longing for more. Angel hoisted him up off the floor, Lucifer happily wrapping his legs around his waist, making Angel laugh from how obvious it was that he had to force himself not to rut against his stomach.

Angel stepped up to the back door to his and Lilith’s rooms, pausing to look up at Asmodeus. “Ya comin’?”

Asmodeus grinned. “As much as I’d like to, I don’t think you have enough time for that. I’d love to take your offer up at a later date, though, if it’s a standing invitation.”

“Oh, it’s standin’, alright. And I can see it’s not the only thing standin’ right now.”

Asmodeus held back a laugh he knew would be too loud, not needing them to attract the attention. He gently pushed them through the door. “Good. Now get in there and fuck him silly before they realise that you’re both gone.”

“Oh, I will.”

As the door closed behind them, Lucifer’s good-bye was more of a gasp than anything else, as Angel’s nails raked down his back, locking the door behind them.

 

Angel wasn’t slow to push him onto the bed, Lucifer pulling him down with him with his arms and legs still wrapped around him. He pulled off his coat, tossing it on the chaise longue at the foot of the bed, letting Lucifer’s coat soon join his.

He bucked his hips, finally letting himself rub himself against Angel with a need that was almost overwhelming in its force. He needed Angel to fuck him, now.

Angel’s chuckle vibrated against the shell of his ear as he pressed his lips to it. “Someone’s eager. Did gettin’ touched in front of Ozzie make ya that hard?”

Nodding, Lucifer shuddered as Angel took his earlobe between his teeth, tugging, gently biting. “Yes.”

 

The laugh Angel let out as he shoved him into the mattress, standing on his knees above him, made his cock twitch. He was no longer touching him, leaving him aching to feel his hands on his body.

“Tell me how much ya need me.”

 

There wasn’t a second of hesitation before Lucifer spoke. “I need you. Please. I need you so much it hurts. I need you more than the air in my lungs.”

“Oh, really?” Angel’s smirk was satisfied, a single finger trailing down Lucifer’s neck. “Would ya prove it to me, baby?”

Lucifer nodded, shivering in anticipation as he felt Angel unbutton the high collar of his shirt, until finally, he felt Angel’s fingers against his bare skin.

“Take a deep breath for me.”

Lungs expanding as he filled them with air, he bit his lip as he waited for Angel’s fingers to close around his throat. At the gentle squeeze, he met Angel’s eye. Then, Angel’s hand tightened its grip, cutting off his air completely.

The tiny squeak that escaped him was neatly cut off, the room left in near silence as Angel watched him intently, the only sounds in the room those of Lucifer choking with Angel’s hand firmly around his neck.

As Lucifer’s face slowly turned red, Angel leaned forward, keeping his grip around his neck as he pressed a kiss to Lucifer’s lips, smiling as they fell open as he struggled to breathe even though he knew he wouldn’t be able to get any air as long as Angel’s hand gripping him so tightly.

The feeling was exhilarating, the way the lack of air made his head spin, slowly losing grip on his thoughts, Angel’s gentle lips moving along his cheek, back to his ear, biting down on the soft flesh.

As his vision started to swim, he felt himself grow painfully hard in his trousers, his hips bucking, silently begging for relief, for Angel to touch him. The absolute need and want he felt for Angel was enough to drive him mad, his hands seeking to touch, only for them to be grabbed and pinned above his head, long fingers wrapping around his wrists, keeping them in place.

His fingers twitched, his hips rising in a desperate search for friction but not finding any, tears staining his face from the lack of air and the need to be touched alike.

 

As he nearly felt himself pass out, Angel let go, his hand moving down to rest on his chest, the other letting go of Lucifer’s wrists.

Lucifer’s chest heaved, his entire body shaking as he gasped, sucking in lungfuls of air to regain his breath. He reached out, pulling Angel close as he wrapped his arms around his shoulders.

“I love you,” he panted, voice hoarse. “I love you. I love you.”

“Are ya just sayin’ that to get me to touch your cock?” Angel asked, a cheeky smile on his face. At Lucifer’s quiet whine, he giggled, pressing a soft kiss to Lucifer’s lips. “I love you too. Too damn much.”

His fingers ghosted the outside of Lucifer’s trousers, making him shiver from that alone. As his fingers started to slide down the front, they froze at the sound of a key in the door.

Their eyes slowly turned toward the door leading into the palace corridor, hearts in their throats. As the door opened, they both found themselves unable to move.

 

In the doorway stood Satan, staring them down with deep disapproval. He closed the door behind him, stepping over to the bed. Even from his footsteps alone, you could hear the held-back rage inside of him.

“Oh, uh, hey Satan.”

Lucifer’s laugh was awkward as he looked up at Satan, who looked like he wanted to yell, but was only holding back due to the attention it would bring.

“What do you think you’re doing?”

Lucifer glanced at Angel, who looked way more uncomfortable with Satan in the room than he had with Asmodeus right outside it. Lucifer knew that Satan had a habit of intimidating even the most powerful men, with his bulky figure and his booming voice.

“...Having sex?”

“This is neither the time, place nor person you should be bedding. Are you trying to incite a war?”

“No.” He fiddled with the buttons of his shirt, pausing when he noticed Satan’s eyes narrowing at the sight of the blooming bruises on his neck.

Satan’s eyes moved to Angel, who was still straddling Lucifer’s lap, hovering above him. It didn’t take a genius to figure out what exactly they’d been doing, and Lucifer knew he didn’t approve. Maybe if his partner hadn’t been Angel, he wouldn’t have cared as much, but they had been caught redhanded, again.

Lucifer’s eyes shifted, unable to stop himself from fidgeting with his buttons again. “Did… did Ozzie tell you what we were doing?”

“His expression told me everything I needed to know.”

“Oh. Okay.”

 

The silence stretched on, growing more and more awkward until Angel could no longer keep quiet. “Ya know it’ll take us longer to get back if ya keep interruptin’ us.”

Lucifer choked on a laugh.

If humans had been able to breathe fire, Satan would have, in that moment. But it seemed to dawn on him that no matter what he said, Lucifer had no regrets in sleeping with Angel, no matter the consequences.

He bent down, leaning in close to Lucifer’s face, close enough that he could feel the warmth of his breath across his face.

“I warned you. Don’t think I’ll be there to help once you get caught.”

 

With that, he turned toward the door, managing not to slam it behind him by the grace of God (or the actual care to not get them caught after all), locking it behind him. Lucifer knew that no matter what he might say, if his love for Angel did cause a war with the Vees, he would be there for him. He cared too much not to. It made him feel a little bit bad, for a brief moment.

 

Angel fell down against him with a groan, his warmth seeping into Lucifer’s body. “I thought he was gonna kill me!”

Lucifer raised his hands to brush through Angel’s hair, his eyes turning toward him. “He wouldn’t dare.”

“I’ll trust ya on that one.”

 

With a smile on his lips, Angel’s nose pressed against his neck. Lucifer shuddered as he felt his nose leave way for his mouth, pressing kisses along the bruises circling it. His hips sought out friction again, but as soon as Angel’s lips found his neck, he had lifted himself off of Lucifer again, standing on his knees, leaving him wanting.

“Angel…” Lucifer whispered, cut off by his own gasps as Angel bit down into the tender flesh, making him whimper, his hand clutching the silk sheets beneath them. “Angel, please…”

He felt Angel smile against him, his voice tickling his skin as he spoke. “‘Please’, what?”

“Please fuck me already, or we’ll really run out of time.”

“So demanding.” He ran his hand down Lucifer’s chest, down his stomach, ghosting right above the hem of his trousers. Lucifer raised his hips, pushing into the touch as Angel’s fingers finally pushed in underneath the fabric, wrapping them around him. He bit back a loud moan as he felt Angel’s finger tease the tip of his cock, pressing down against it, precum smearing across the pad of his finger.

At Angel’s command, he rolled over, mourning the loss of the brief touch to his cock as Angel’s hand withdrew, but filled with anticipation at knowing that he would soon get to feel Angel inside of him.

He raised his hips, Angel’s fingers starting to pull his trousers and underwear down.

 

Yet again, they heard a key in the lock.

Lucifer raised his head from the mattress, frustration burning inside of him as Angel paused. “Jesus Christ- really?!”

They watched as Mammon leaned past the doorway, hearing his cackle as he spotted them.

 

“Was this really necessary, Mam?!”

“Seein’ the look on your face, absolutely. Priceless, I tell ya!”

“Oh, fuck you!”

“Nah mate, seems like someone’s already got ya covered.”

 

Lucifer dragged his hands down his face as he released a guttural groan in frustration. “That key was only meant for emergencies- I never should’ve given any of you keys to these rooms. Here, give it back! Right now!”

Mammon laughed, twirling the key on his finger. “How much?”

“How m- I’m not paying you to get my own damn key back!”

“Then I’m keepin’ it.”

 

As Lucifer hurled one of the many pillows littering the bed at him with all the strength he could muster, Mammon dodged, stepping back out of the room. They could still hear his laughter as he turned the lock again, finally leaving them alone.

 

Angel stared at the door, eyes wide from watching the whole exchange that took no more than 30 seconds.

“You’ve got weird friends.”

Lucifer sighed. “You don’t know the half of it.”

Then, as he felt Angel’s hands run along his waist, he glanced behind him, up at Angel. “I see he didn’t kill your good mood, at least.”

“Did he kill yours?”

With his cock still throbbing, he didn’t need to think it over to know the answer. “Not at all.”

 

With that as his permission, Angel pulled Lucifer’s clothes down, Lucifer lifting his hips again to ease the process.

From his position, he just barely reached the pretty pink crystal bottle standing on the bedside table. Olive oil, prepared specifically for moments like these. The bottle needed to be refilled soon, he noted to himself as he handed it over to Angel, who pulled out the stopper, rubbing the oil across his fingers.

“I’m gonna be a lil’ quick preppin’ ya, but I know ya like the pain, so I’m sure ya don’t mind that much.”

“I’d let you take me raw if you wanted me to.”

He could hear Angel chuckle behind him as he slid a finger inside his ass. “Oh, I know ya would.” Another finger quickly followed, and as Angel spread them apart, Lucifer gasped. A third and a fourth was quickly added, working him open, preparing him. He’d meant what he said when he said he’d make it quick.

As Angel pulled his fingers out of him, Lucifer pushed back, pressing his ass against Angel’s crotch. He could feel when Angel pulled his trousers down, could feel the heat of the head of his cock being pressed against him.

 

When Angel pushed inside, it was in one quick motion, thrusting deep inside of him. It made him moan, biting into his own arm to stifle it. He felt Angel’s hands grip his hips tightly as he started to move, a merciless pace right from the start.

He could feel his cock bounce against his stomach with each thrust, Angel’s hands gripping him so tightly he knew his hips would be just as bruised as his neck come morning, leaving him something to remember him by until the next time they met. Maybe something to show Lilith later, too.

“Fuck, ahh, Angel, harder, please…!”

Angel’s nails dug into his skin, leaving scratches. He leaned forward, chest pressed against his back as his hips kept moving, harsh snaps drawing gasps and moans with each movement. As Angel’s teeth found the sensitive skin on his neck again, the sharp pain of the bite sent a jolt of pleasure all throughout his body.

 

He came with a cry, tears spilling from his eyes. Angel kept thrusting, picking up even more speed, his nails drawing blood from how hard they dug into his flesh. Lucifer’s nails tore holes in the sheets beneath him, and let his eyes slide shut as he listened to Angel’s moans of pleasure as he neared his orgasm.

With another hard thrust he came, hips jerking, coming to a stop. His hands released his hips, gently smoothing out the wrinkles in Lucifer’s shirt as he came down from his orgasm, taking in the sight of Lucifer’s flushed cheeks and the ruined skin around his neck. He pulled out, watching with pleasure as the cum dripped from his ass.

Wiping himself clean and tucking himself back into his trousers, Angel slid off the bed. As he pulled on his coat, Lucifer reached out, brushing his finger along his leg.

Angel looked down at him.

“Kiss me one last time before you go?”

 

Angel’s smile was gentle, and he was more than happy to do as asked. He pressed a chaste kiss to Lucifer’s lips, taking a step back, watching him a moment longer before he turned to the vanity to erase every trace of what they had just done, helping himself to Lilith’s makeup.

“I’ll miss you,” Lucifer whispered. Yet, Angel heard it.

He knelt down by the bed, brushing his hand through Lucifer’s hair. Lucifer felt sadness sting his heart as Angel pressed his cheek to his.

Angel didn’t reply, not with words. But as he pulled back again, his eyes told him more than enough.

 

As Angel slid out the door, Lucifer sat up, looking at his reflection in the mirror. His fingers traced the edges of the bruises around his neck, filling him with endless longing. Longing for someone he could never truly have, for someone he could only share stolen moments with.

For someone he would start a war for, if it was asked of him.

But Angel would never ask, not for that. He could tease and play a dangerous game of hide-and-seek all day long, but he would never truly ask. Not as long as Valentino’s cruel claws dug into him with a grip he was unable to escape.

But he could dream, and he could wish, for a day when they could truly be together without worry.

And oh how he wished.

Endlessly.



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