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On Your Behalf

Summary:

Lucifer Morningstar did not expect marriage to make him territorial.

He certainly did not expect to feel territorial over paperwork.

Ever since their relationship went public, Alastor has been acting as Hell’s unofficial executioner and official problem-solver, quietly eliminating inefficiency, Overlords, and anyone foolish enough to test the throne’s patience. The kingdom is thriving. The press is obsessed. The council is terrified.

And Lucifer, who hasn’t lifted a finger in weeks, is suddenly very aware that his husband is far too busy being indispensable.

Boredom leads to meddling. Meddling leads to possessiveness. Possessiveness leads to Lucifer draping himself across important meetings and demanding attention while Hell’s economic future is being negotiated.

 

Unfortunately for everyone else, Alastor is very good at multitasking.

Work Text:

Lucifer Morningstar had reached the very specific flavor of boredom that only an immortal monarch could experience.
It wasn’t the casual, idle boredom of having nothing to do. There was always something to do. Petitions stacked endlessly in the west wing. Trade disputes between rings. Overlords posturing for influence. Reconstruction efforts still ongoing in sectors that had been decimated during the last Extermination which wasn't too long ago but ever since Charlie's hotel was proven itself to be able to redeem sinners, hell and heaven have made a deal. Peace.

But still, Hell was busy.

And Lucifer simply did not feel like participating in it.

He lay sprawled across the velvet chaise in his private sitting room, one leg hanging dramatically over the side, staring up at the frescoed ceiling with all the enthusiasm of a cat contemplating knocking over a priceless vase.

His kingdom was technically functioning better than it had in centuries.

Which was precisely the problem.

It had begun functioning without his active involvement.

Across the palace, several floors down and firmly entrenched in a room that had once been Lucifer’s war council chamber, Alastor was currently elbow-deep in logistics reports, district reform drafts, and economic restructuring proposals that Lucifer had skimmed once, declared “necessary but tedious,” and then passed off with a gracious flick of his wrist. Can you even blame him? He was way too pretty to be stuck reading all these boring documents.

The public announcement of their relationship had changed things.

Hell was nothing if not theatrical, and once it became widely known that the Radio Demon was romantically entangled with the King himself, perceptions shifted overnight.
Some Overlords had assumed Alastor would become soft and finally calm down with his games and outbreaks.

They were incorrect.

Others assumed Lucifer would become more involved, after all Al was a sinner, wouldn't the king want to insure his little husband was all comfortable and lived in peaceful place. (as much as Hell could be)

They were also incorrect.

Instead, what happened was far more efficient.

Alastor began acting on Lucifer’s behalf in matters that required precision and a willingness to apply pressure without overtly staining the throne. He negotiated trade routes between rings with unsettling politeness. He reorganized Pride’s economic districts. He ensured that infrastructure actually reached the lower sectors instead of being siphoned upward by greedy intermediaries.

And Lucifer, who had once reveled in chaos and decadence and the slow unraveling of order, found himself ruling a kingdom that was… stabilizing.
It was dreadfully responsible.

He rolled onto his side and sighed dramatically.

There were, of course, advantages to this arrangement. The palace was lively again. The court functioned smoothly. Fewer rebellions meant fewer tiresome speeches.
But it also meant Alastor was busy.

...

Excessively busy.

And Lucifer had not seen him in six hours. The fallen angel has been patiently waiting for his husband to finish.. "his" work.
This was unacceptable, what is there even to do, wasn't hell finally remotely safe?

Lucifer swung his legs off the chaise and stood, smoothing out his suit jacket with unnecessary flair. If Hell insisted on being efficient, he would insist on being disruptive.
He didn’t summon a servant. He didn’t send a message.

He walked.

The palace corridors buzzed faintly with activity even at this hour. Staff moved with purpose, documents were carried between offices, and in the distance Lucifer could hear the low murmur of council aides finalizing tomorrow’s agenda.

All of it orchestrated, in some fashion, by a radio demon who had once claimed he had no interest in ruling.

Lucifer paused outside the council chamber doors and listened.

Inside, Alastor’s voice flowed smoothly, controlled and charismatic, guiding a small cluster of mid-tier officials through a discussion about supply redistribution in the Pentagram West district or some other place.

“…and if we allow the northern manufacturing sector to continue monopolizing raw materials,” Alastor was saying pleasantly, “we create instability that will require far more force to correct later. We are avoiding mess, not creating it.”

Lucifer smiled to himself. He had no idea what his deer was on about but good for him. Wait, why would Alastor, the most destructive jerk in hell actually give advice for hell's sake.

He pushed the doors open without ceremony.

The room fell silent instantly.

Several officials who were representing the deadly sins were stiffened.

Alastor simply rolled his eyes at their reaction and at the intervention. His ears flicked back briefly in acknowledgment before he turned his head slightly toward the entrance.

“Your Majesty,” he greeted smoothly, though there was a faint thread of amusement beneath the formality.
Lucifer walked in like he owned the place which was technically true but still, all that attitude for nothing.

“Don’t stop on my account,” he said lightly, circling the table instead of approaching it directly. “I’m merely observing.”
The officials looked deeply uncomfortable and nervous.

Alastor regarded Lucifer with a knowing look that translated roughly to behave. Lucifer ignored it.

“Please,” Alastor continued calmly to the officials, “as I was saying.”
They resumed, though less confidently now.

Lucifer drifted behind Alastor’s chair and leaned down slightly, resting his chin on the top edge of the high back.
“You’re using my seal on the trade amendment,” he murmured just loud enough for Alastor to hear.
“It expedites compliance,” Alastor replied without missing a beat.
Lucifer’s gloved fingers slid down to idly toy with the lapel of Alastor’s coat.

“And did I approve this amendment?” Lucifer grinned and leaned closer to Al.
Alastor’s smile widened almost imperceptibly.
“You will.”
A few of the officials coughed awkwardly, mostly because they couldn't tell if these idiots were flirting or fighting.

Lucifer straightened and moved around to stand beside Alastor instead, one hand braced on the table.
“I find it fascinating,” he said conversationally to the room, “how my husband has become the most proactive administrator this kingdom has seen in centuries.”
No one spoke, no one wanted to intervene in their drama.

Alastor folded his hands neatly in front of him.
“You did request improved quality of life metrics,” he reminded Lucifer.
“I requested fewer complaints,” Lucifer corrected. “That’s different, you are doing more than you were asked.. what happened to the 'I don't work for free' attitude you had, Bambi?”

A faint ripple of tension moved through the room.
Lucifer’s gaze slid to Alastor, who simply shrugged.

"You look very busy," Lucifer skimmed through random documents.
“That's because I am, sire.” Alastor's smile became bigger.. a little passive-aggressive.

“With my kingdom?” Lucifer slowly walked over to Alastor.
“Yes.”

The officials fled the moment Lucifer dismissed them, papers clutched to chests like shields. The heavy doors shut with a decisive thud, sealing the chamber in quiet.
Lucifer didn’t speak immediately. He moved around the table at an unhurried pace, fingers brushing the polished wood, gaze lingering on the neatly stacked reports as if evaluating a rival’s strategy. When he reached Alastor, he stopped close enough that the edge of the desk pressed against his thigh.

“You’re getting comfortable in my seat,” he said, voice light but edged.

Alastor leaned back in the high-backed chair that had once belonged to Lucifer alone, posture relaxed, expression unreadable.
“I am preventing chaos from metastasizing,” he replied, not defensive, not apologetic.

Lucifer braced both hands on the armrests, effectively trapping him there. The angel could feel himself getting excited from their little game.
“I never asked you to clean up after me.”

“No,” Alastor agreed. “You didn’t. Besides.. I can't clean up something your majesty never did.”
Lucifer’s jaw tightened slightly at the lack of resistance. “I could reclaim every decision you’ve made this month and undo it by sunrise. How would you feel about that?”

Alastor’s smile sharpened faintly. “You won’t.”
The confidence in that answer made Lucifer’s eyes flash. “You assume a great deal, and you are one really bold deer..”

“I observe a great deal,” Alastor corrected, and this time there was weight behind it. “You read every report. You revise every proposal. You question every allocation. You simply refuse to sit in the chair while it’s done.”

Lucifer didn’t deny it. Instead, he studied Alastor as though reassessing him entirely.
“You enjoy this,” he said finally, quieter now. “I know how wet you get at the thought of power."

“So bold of you, your majesty, I simply enjoy competence,” Alastor replied. “Hell has gone centuries without it.”
That could have been a provocation. It wasn’t delivered like one.

Lucifer exhaled slowly through his nose and straightened, only to step closer instead of retreating. “You’ve embedded yourself into every sector that matters. Administration. Trade. Enforcement. You’re not supplementing me anymore. You’re becoming indispensable.”
Alastor’s gaze flickered briefly, something calculating behind it. “Indispensable to the kingdom, or to you?”
Lucifer didn’t hesitate. “Both.”

The air shifted.

Alastor reached up and adjusted Lucifer’s collar with quiet precision, smoothing a nonexistent wrinkle as though the gesture were purely aesthetic. It wasn’t.
“You resent that I handle what you refuse to,” Alastor said, tone measured. “But you also rely on it.”
Lucifer caught his wrist before he could withdraw.
“I resent,” he corrected, “that I married such a smartass.”

“And I resent,” Alastor replied evenly, “that you equate my work with abandonment.”
Lucifer’s grip loosened just slightly.

“You went public with me,” he said, voice lower now. “You stood in front of every Overlord and declared allegiance. And since then you’ve been everywhere except with me.”
Alastor held his gaze without flinching. “I declared partnership and partnership requires labor.”

Lucifer moved without warning, sliding into Alastor’s lap and forcing the chair back an inch across the marble floor. The shift broke the stillness more effectively than shouting would have. Alastor’s hands came up instinctively, steadying him at the waist.

“I did not marry you for administrative efficiency,” Lucifer said, leaning in close enough that their breath mingled. “I married you because you are chaos dressed like order.”
A faint crackle of static shimmered along the walls.
“And yet,” Alastor murmured, hands firm at Lucifer’s back, “you are irritated that I am proving useful. Or at least more productive than you”

“I am irritated,” Lucifer said, “that you are proving useful to everyone but me.” The demons in the room shift uncomfortably, still confused if they are witnessing a lovers dispute or if they are bickering.

That landed harder than he intended.

Alastor’s expression shifted, like he just realized something. He tilted his head slightly, studying Lucifer as though recalibrating.
“You mistake scale for priority,” he said quietly. “I handle Hell so that when I am with you, I am not divided.”

Lucifer’s irritation faltered, replaced by something less sharp and far more complicated.
“You think I care about division?” he asked.

“I think you care more than you admit,” Alastor replied.
Lucifer’s fingers curled into the fabric at Alastor’s shoulders. “I am bored,” he said finally, the honesty stripped of dramatics.

“With governance?”
“With predictability,” Lucifer clarified. “Hell has become organized. It’s unsettling.”

Alastor’s mouth curved faintly. “That was the objective.”
“It’s dreadful,” Lucifer insisted, though the edge had softened. “No rebellion, no theatrical disasters. Just reports and metrics.”

Alastor slid one hand higher along Lucifer’s spine, holding him securely in place. “Oh no.. how tragic. How about you start making problems.. oops you already did by marrying a mere sinner such as myself. Trust me, dear, there is enough chaos,” he said passive-aggressively.

Lucifer’s eyes lit immediately.
“Huh? I thought heaven already agreed on our marriage.”

“True..” Alastor said. “Hell wasn't, as you know, I have quite the reputation, and I'm not really humble when it comes to demonstrating power.”
Lucifer grinned slowly. “Of course I've heard, but I thought you were just some crazy edge lord.. Al, what exactly did you do?”

"Someone has to become my breakfast, no?" Alastor grins wider.

Lucifer snapped his fingers. "Yeah, yeah, but who the fuck did you eat?"

The documents on the table lifted, but instead of chaos, they reorganized themselves midair, shuffling into cleaner stacks before settling back down in a far more efficient arrangement than before.
Alastor glanced at the newly aligned piles and then back at Lucifer.

“Perhaps you should start reading the morning newspaper, reading shows your majesty.”
Lucifer smirked. “You are not mysterious, can't you just tell me, straight up. And you know I only listen to books, I don't read them. Who reads the morning paper anyway? You old-timey jerk.”

Alastor’s laughter was low and genuine.
“Well, my dear, if you use your brain for once, you might find out why hell isn't too keen on me having this much authority,” he observed, “I hope your brain hasn't melted, considering the hours you spent on watching duck compilations.”

_____

Lucifer did not respond to the promise with another quip, nor did he escalate the moment into something theatrical, because the truth was that the quiet reassurance settled somewhere deep in his chest in a way that made further dramatics feel unnecessary. Instead, he shifted more comfortably in Alastor’s lap, the earlier tension dissolving into something indulgent and heavy, his fingers idly tracing the seam of Alastor’s sleeve while the Radio Demon’s hand continued its slow, absent motion along his spine. The council chamber, with its high ceilings and imposing marble table, no longer felt like a battleground for authority but rather an inconveniently formal room that happened to contain a very comfortable chair.

Lucifer let his eyes fall half-closed, listening to the faint crackle of Alastor’s static and the steady rhythm beneath his ribs, and for a long moment neither of them spoke because there was nothing sharp left to say. The earlier jealousy, the territorial irritation at seeing his husband so seamlessly embedded in the machinery of Hell’s governance, had dulled into reluctant admiration and something softer that Lucifer would never willingly label as gratitude. He did not enjoy paperwork, nor did he enjoy oversight meetings that dragged on for hours, but he did enjoy knowing that when he inevitably grew bored and wandered off in search of something shinier, someone capable and ruthless was steering the kingdom away from collapse.

Eventually, Lucifer exhaled a long, dramatic sigh that lacked any real frustration and pressed his face briefly against Alastor’s shoulder as though imprinting the moment there. He did not apologize for interrupting the council, nor did he formally acknowledge the work Alastor had done in his stead; instead, he slid off his lap with deliberate slowness and tugged lightly at the front of Alastor’s coat.

“You’ve earned a break,” he said, not as a suggestion but as a decree wrapped in velvet.

Alastor regarded him with an expression that suggested he was weighing the merits of resistance, but the calculation ended quickly, and he rose from the chair with composed grace. The reports remained neatly stacked on the table, untouched and patient, because for once neither of them felt compelled to return to them immediately. Lucifer slipped his hand into Alastor’s as they left the chamber together, the gesture subtle enough that no courtier lingering in the corridor would dare comment on it yet intimate enough to satisfy the possessive warmth coiling in Lucifer’s chest.

The palace was quieter by the time they reached their private wing, the bustle of aides and administrators tapering into distant murmurs that faded behind closed doors. Lucifer shed his jacket first, tossing it carelessly over a chaise, while Alastor removed his gloves with measured precision and placed them neatly beside the bed. The contrast between them had always been stark, chaos and order braided together in a way that somehow held.

Lucifer climbed into bed without ceremony and stretched across the mattress as though claiming new territory, watching as Alastor extinguished the lamps one by one until only the low crimson glow from the city beyond the balcony filtered through gauzy curtains. When Alastor finally joined him, Lucifer wasted no time curling close, one leg sliding between Alastor’s and an arm draping across his waist in a hold that was equal parts affectionate and territorial.

“You are not allowed to disappear into paperwork tomorrow,” Lucifer murmured against his chest, voice thick with drowsiness rather than accusation.

“I will schedule my efficiency more responsibly,” Alastor replied, tone dry but softened by the way his hand settled at the back of Lucifer’s neck.
Lucifer made a pleased, almost feline sound and tucked himself closer, the earlier edge of boredom replaced by a contentment he would vehemently deny in daylight. Within minutes, his breathing evened out, and the King of Hell, who had once orchestrated rebellions for sport, fell asleep clinging to the demon who had reorganized his kingdom out of sheer competence.

______

 

Time, for immortals, rarely announced its passing with significance, but several weeks later the rhythm of the palace had shifted into something smoother, less frantic. Reconstruction projects moved forward without siphoned funds, trade disputes were resolved before they metastasized into bloodshed, and the whispers that had once followed Alastor’s public alignment with the throne had quieted into wary respect. Hell had not become gentle, but it had become deliberate.

It was late when Lucifer stirred one evening, roused not by absence this time but by the faint rustle of paper and the soft crackle of static beside him. The bed was warm, and the weight of another presence remained firmly at his side. He blinked sleepily and turned his head.

Alastor was propped against the headboard, spectacles perched low on his nose, a neatly folded newspaper held open in his gloved hands. The lamplight cast a subdued glow across sharp cheekbones and careful lines of print, illuminating the meticulous focus in his expression as he scanned an article with quiet concentration.
Lucifer squinted at him. “You brought the paper to bed.”

Alastor did not look up immediately. “It is tomorrow’s early edition.”

“That does not answer my observation.”

“It addresses several ongoing reforms,” Alastor continued calmly, turning a page with crisp precision. “There is a piece regarding the redistribution of manufacturing quotas in Pentagram West that I thought you might find interesting, as well as a rather dramatic editorial about the disappearance of three former Overlords.”
Lucifer shifted onto his side, propping his head up on one hand while the other drifted lazily across the sheets toward Alastor’s thigh. “You are aware that most monarchs do not consider policy updates to be pillow talk.”

“Most monarchs do not marry radio demons,” Alastor replied, finally glancing down at him.

Lucifer watched him for a moment, taking in the absurd domesticity of the scene: the King of Hell rumpled and half-awake, and beside him the most feared Overlord in Pride calmly reading fiscal analyses under warm lamplight. The image was so incongruous that it bordered on endearing.
“You’re reading it out loud,” Lucifer realized.

“I assumed auditory delivery would increase the likelihood of your attention,” Alastor said, returning to the article. “The author speculates that the recent stabilization of lower districts may signal a permanent shift in power dynamics. There is concern that centralized oversight will limit independent Overlord autonomy.”
Lucifer snorted softly and rolled closer until his shoulder pressed against Alastor’s side. “They’re upset because someone competent is preventing them from skimming resources.”

“In summary, yes.”

Lucifer’s hand slid across Alastor’s waist and around his back, tugging him slightly off balance so that the newspaper dipped. “You are not allowed to sound that pleased about it.”

“I am not pleased,” Alastor said, though the faint curve at the corner of his mouth suggested otherwise. “I am satisfied.”
Lucifer adjusted himself until he was practically draped over him, cheek resting against Alastor’s ribs while one arm hooked firmly around his middle. “Continue,” he demanded lazily. “But slower. Your pacing is very broadcast and not at all bedtime appropriate.”

Alastor’s static flickered faintly in amusement, but he obliged, lowering his voice into something softer, less performative than his usual cadence. He read about trade balances and infrastructure audits as though they were serialized drama, his tone smoothing the dry language into something almost soothing. Lucifer listened with half-closed eyes, not because he particularly cared about the specifics but because he cared about the steady vibration of Alastor’s voice through his chest.

At some point, Lucifer’s fingers began tracing idle patterns along Alastor’s side, the earlier restlessness that had driven him to storm the council chamber replaced by a quiet possessiveness. He did not resent the work anymore, not when it looked like this—contained within lamplight and shared space rather than stealing hours behind closed doors.

“You realize,” Lucifer murmured when Alastor paused to turn another page, “that this is dangerously close to domestic bliss.”

Alastor arched a brow. “Should I cease immediately?”

“Absolutely not.”

Lucifer tightened his hold and shifted higher, pressing a slow kiss against the fabric over Alastor’s heart before settling again. “If you insist on reorganizing my kingdom,” he added, voice drowsy, “the least you can do is read me the scandal sections in bed.”

A quiet chuckle vibrated beneath his ear. “Very well. The next column details public speculation regarding your supposed ‘strategic genius’ in delegating administrative duties.”
Lucifer huffed. “As it should.”

Alastor resumed reading, and this time when Lucifer drifted toward sleep, it was not from boredom or irritation but from the steady cadence of a voice he trusted and the warmth of arms that had proven both ruthless and careful. The newspaper rustled softly in the dim light, Hell continued turning beyond the palace walls, and the King who once avoided responsibility without a second thought now found unexpected comfort in the fact that someone capable held both the kingdom and him with equal intention.