Work Text:
It was the longest 48 hours of Satan's life.
His face pressed against the glass of his window, his cheek firm against it as his eyes stared out into the pouring rain. You'd been gone for the entire two days, with no word when you were due back. He supposed it was a saving grace that Lucifer was also gone, but the fact he was with you only made him shake with anger. How dare he steal you away, how dare he keep you all to himself.
Satan took a deep breath, trying his hardest to calm down and remind himself you'd simply gone back to the human realm to pick up the rest of your belongings so you could stay in the Devildom with him forever. Lucifer had gone to help simply because only he had the permission to come and go as he pleased. Satan's heart pounded and beside him, his hand gripped a piece of fabric tightly. He'd found it in his room when cleaning up to busy himself and had been quite stupefied by it, no memory of how it had gotten there.
Oh he knew very well what it was — he swallowed thickly, eyes snapping from the rain drops racing down the glass to his hand. He'd bought it for you a few months ago, he remembered being so shy walking into such a store, the way he'd hoped none of his brothers would find him there — not because he was ashamed, but rather he didn't want them spoiling the surprise for you. How he'd gotten you both matching lingerie sets to enjoy each other together, how he'd set the evening up away from everyone so you could lose yourselves devouring each other, and getting love drunk and intoxicated on absolutely everything to do with the other. It had been a good evening, and you'd particularly enjoyed the undergarments to the point you'd worn them frequently when you were planning to seduce him.
Satan found he was rather easily seduced by you, he also found that he really didn't mind. Not one bit.
He gripped the fabric tighter, shifting awkwardly in his seat as a tightness built in his groin. Thinking about such nights with you while you weren't here was its own breed of torture, Satan brought his hand down to rub against his growing erection, trying every position he could to make himself more comfortable but instead he found all he could think of was the way your hand could barely wrap around his girth, and yet you'd undone him so many times like that alone — and the way you'd use that mouth of yours, eyes staring up at him under your heavy eyelids as you'd pull back off his cock, saliva connecting you to him— he had to stop these thoughts now, before he couldn't hold back anymore.
If only he knew when you would return, maybe if he knew that he could wait just a little longer, just a bit more—
Satan groaned, his hand moving up to undo the button and belt to his pants. He shifted himself so he could loosen them more, trying again to make himself comfortable, but all it seemed to go was urge him on more. What harm would a little relief do? His brothers were occupied elsewhere, no one would walk in on him, and if someone were to hear him? Well, what did he care? It wouldn't be the first time he'd yelled your name in ecstasy.
He cupped his cock through his straining underwear and sighed. If he was going to touch himself he was going to have to commit fully to it. As soon as he decided he would do it, his body already reacted, pulling away the last piece of clothing only to wrap the left behind undergarment of yours around his shaft. Satan briefly wondered if you'd find him disgusting for this, but the thoughts rushed from his mind as he gave his dick a quick jerk with your underwear.
Shit.
It was, perhaps, too arousing. If he closed his eyes, and he did, Satan could think of his hand as yours. Your pillow was nearby, he'd snuck it in the night you left so he could sleep easier, if he buried his face into it and inhaled your scent, it would be as if you were here completely. He missed you deeply and he needed this to remain sane. He'd make it up to you later, he'd buy you more underwear, as much as. you want in whatever styles you so desired.
A slight gasp escaped his lips as Satan threw his head back, keeping his strokes slow and steady. He was eager to finish, but he also wanted to drag the whole thing out and enjoy it to the fullest. It was so easy to imagine you touching him, he'd ingrained how it felt when you did it into his very being, he knew it so well and yet it was still lacking. His hand was too large and wasn't warm enough, the undergarments between his hand and cock seemed to help with those differences, but, still…
Satan grunted, bucking his hips upwards. If he could not perfectly imagine it to be you, then he'd just get it over and done with. It wasn't the same without you, it was just a basic need he had, not anything special. Just like eating or breathing, without you, it all had zero meaning to him.
He picked up his pace, stroking his cock more firmly, squeezing the base before pumping his hand towards the tip where he pressed his thumb flush against it. Precum coated the flushed tip and he smeared it over his member, trying not to get it over your underwear but no doubt failing with how the fabric seemed to stick more. Somehow it was more attractive, and he grunted again, moaning your name. It came out of his lips easily, falling like a prayer for a god he would never know nor worship.
Your name continued to spill from his tongue as he kept pleasuring himself, his pace picking up as he felt himself edge closer to the peak of his desire. Your name again, and again, until he gasped it out, this time as a question.
Satans eyes sat wide as his hand fell still, gaze drawn to the door. His face, like his cock, was flushed, and swear ran down the back of his neck and under his shirt. You were wet, hair slick with rain and clothes sticking to your body in a way he found far, far too alluring in his current state.
"Why'd you stop?" You asked, letting the bag you had over your shoulder drop to the floor with a light thud. Satan shuddered as he watched you carefully; even from that distance he could see the hunger and need in your eyes, and he found himself stuttering for an excuse.
"Did you forget what to do next?" You breathed, coming closer until you could lean over him and cover his hand with yours. "Do you need me to guide you?"
The noise that escaped Satan's lips was more akin to a mewl than any noise he'd made prior and you let a huff of a laugh leave your lips as you squeezed his hand. It wasn't too often you could catch Satan with his guard down, and it wasn't overly often you would get to have your way with him, how could you let such an opportunity pass you by? You jerked your hands together, shuddering at the guttural sound that left his throat. He shuddered beneath you and you knew you wouldn't have too much longer to enjoy this sight.
"You missed me a lot, huh?" You whispered, leaning over so your lips could press against his ear. Instantly, Satans face buried into the crook of your neck, his lips finding any purchase he could to nip and kiss and lick, as if he would go quite insane if he did not. You found yourself wishing to straddle him right now, to ride him slowly with his fingers sinking into your soft hips while he begged for release, but that could come later, you decided, listening as his breath hitched before picking up in pace.
"Are you going to cum all over my underwear, Satan?" You murmured.
Satan gasped out your name, trying to slip his hand out from under yours as you pumped your hands together along his cock with an unforgiving intent. "N-no-"
"You really want to stop?" You asked, bringing your motions to a halt. "Just like this?"
"I-I…" Satan stuttered, mewling again as you stood back, letting go of him entirely. "No-I-"
"Well," you murmured, moving over to pick your pillow up. "You even stole this?"
"Borrowed-" he murmured, unable to meet your gaze as he shifted painfully. He'd been so close, and he cursed himself for getting you to stop, it wasn't what he wanted at all. Quite the opposite really.
Fuck it, he decided, he couldn't think straight anymore. He clenched his cock tightly and began to slide his hand up and down his shaft, the fabric of your underwear slipping to the floor. He stared at you, eyes intent on yours, as he stroked himself over and over until he could only gasp- he supposed, if you had not been there, he could perhaps have ended up straddling your pillow. Oh, he groaned again, thinking of how he truly could have pretended it was you and he was stuffing his large cock inside of you—
The image broke him, and with one loud yell, Satan came. Ropes of cum shot from his tip, coating his hand and soaking your underwear underneath him on the floor. He kept pumping his cock until no more would come out, and event hen he continued, too desperate for more of that feeling — too desperate for you. Two days was too long, he'd gone fully insane.
You moved forward, grabbing his wrist and pulling it free of his manhood. At first you stared at his soaked fingers before bringing the digits up to your lips. Slowly you sucked and licked each one clean, basking in the way his breathing hitched up.
"If you carry that on… I'm not going to be able to control myself," he half whispered, half hissed out.
You scoffed at him, licking your lips clean as you let go of his hand. "And who said I want you to control yourself? Don't you think I missed you as much, Satan?"
His eyes grew wide, and within moments you found yourself knocked to the floor. There were books around you, some you knew well, some you doubted you'd ever get to learn about, but all the only thing you wanted to focus on tonight was the demon looming above you, eyes all but devouring every part of the soul you'd already given him.