When the Rain Washes You Clean, You'll Know - Pt 1
I’m joining the hallowed fanfic tradition of using song lyrics for titles. Cross-posted to my AO3
Work: When the Rain Washes You Clean, You'll Know
WC: 4.3k
Relationship: Satan x Reader, Satan x MC
AFAB reader, she/her pronouns and some gendered terms for reader
Warning: Explicit, Minor Hurt/Comfort
Description: M/C is having some family issues. Who could understand better than Satan? And if he can take advantage of the opportunity to be with the person he's been pining for, and ruin his brother's day? Even better.
All of this had started when Satan had found her sulking in the library, looking out the window at the rain with a pillow clutched to her chest. She’d made the mistake of not answering with more than a shrug when he’d asked what was wrong – she couldn’t help it, his eyes were just so earnest and he seemed so concerned, lying felt wrong but she wasn’t in the mood to talk about it. Not quite sure why she drew the line at lying to a literal demon, but there it was. She’d thought maybe she’d averted one of the brothers’ standard over the top reactions when Satan left the library, only for him to return shortly with her rain jacket, boots, purse, and his own cartoon cat-covered umbrella. She recognized it as the one she had given him for his last birthday and her heart did skip a little, realizing that he actually used it.
“Satan, this really isn’t necessary” the human had tried to reassure him when he knelt down at her feet to trade her slippers for rain boots.
“Well, I say that it is” he replied in a flat tone, leaving no room for argument.
M/C sighed, resigning herself to whatever he had planned for their day. Grabbing her DDD, she sent off a text to Lucifer letting him know that Satan was taking her out. The last time she had let Satan whisk her away for an impromptu day trip he’d also pocketed her phone to ‘live in the moment’, but when she came back home to the other brothers forming a search party (complete with a full-on dossier including her last known whereabouts), she realized from his smug little grin that he was just messing with Lucifer. He’d had his ‘M/C Privileges’ revoked for two weeks, causing a meltdown of epic proportions.
After he’d guided her arms through the raincoat she rose to her feet and took her purse from the demon. He sent a sly grin her way, flipping the hood over her head playfully. Making an annoyed noise, she flipped it back to see Satan’s elbow out and ready for her to loop her own arm through. With that, she let her demon lead her out through the House of Lamentation and into a stormy Devildom afternoon.
Thirty minutes later they were drying off in a cat café that M/C was 80% certain had been founded for the sole purpose of getting in the fourth-born’s good graces. It totally worked. She cupped her hot chocolate between her sweater-covered hands and took joy in the presence of a little tortoiseshell cat curled up on her lap. The human knew better than to think Satan was going to let what he saw earlier go, but he knew better than to force her… yet. He seemed happy enough with that approach, holding his mug of tea in one hand and using the other to lavish affection on a lucky gray kitten that had hopped up onto the table. She laughed internally at the sight, knowing she was going to have to make sure that cat didn’t get smuggled home in her purse. They each basked in the experience of each other’s company, mostly in silence, until the café closed a few hours later.
It was on their walk home (after M/C caught Satan trying to smuggle no less than three kittens in his jacket) that the demon made his move.
“Do you want to talk about it?”
She sighed. “Not really, but I don’t think you’re going to drop it”.
He turned to her and beamed, “Nope, not at all”.
“Fine. You know I don’t really have the best relationship with my Dad. He forgot my birthday again and still hasn’t said anything”.
Satan stopped in his tracks. “Wasn’t your birthday two weeks ago? Wait- again?”
“Yep, third time in a row” she kept walking, wanting to get out of the rain (and away from this conversation) sooner than later. Satan caught up with no difficulty.
“I thought my father was a dick, but that’s just plain rude”.
“Don’t you just prefer to call Lucifer your brother?”
“He’s my brother or my father depending on which is funnier at the time” he smirked.
She couldn’t help but burst out laughing. “Fair enough”.
They walked in silence for another few minutes, side by side, their hands occasionally touching.
“So” Satan began, “want me to have a chat with him?”
She laid a hand on his shoulder and spun him to face her. The human looked up into his cat-like eyes, somehow summoning some sense of authority into her voice despite the full foot he had on her height-wise. “Satan, I cannot be more clear. You do not have my permission to torture my Dad. He’s a shit dad, but not bad enough to warrant intervention by demons, especially you”.
Satan glanced down at you proudly. “That just sounds like you’re acknowledging that I’m the best at what I do”.
She gave him an unimpressed look, not letting him derail her train of thought with his stupid, cute face. He pouted, folding his arms and making a noise. “Fine, but only because you’re cute when you’re serious”.
At his teasing M/C’s face turned bright red and she sped off towards their home, as though putting space between them physically would do anything to prevent him from realizing how flustered she was. She heard his laugh behind her and her heart beat even faster at the sound. She was so busy trying to somehow fast-walk away from her own feelings that she didn’t notice the crack in the pavement up ahead. The same crack that she successfully avoided daily on their walks to and from school, every weekday for who knows how long, but that she wasn’t able to successfully avoid this time. One second M/C was scooting through the rain and away from the demon that occupied her daydreams, the next she was face-first on the ground and that demon was by her side, checking her over for any injuries.
“Are you okay?” he asked, his face suddenly serious.
She couldn’t do anything but laugh at her own mistake, surprising Satan. His confusion morphed into a fond smile as he realized she really was okay, and he joined in. The human shrieked and laughed even harder as she felt herself be lifted up into his arms, grabbing onto his shoulders.
“Hold this?” Satan handed her the cat umbrella and shifted to get a more solid grip on his human. He quickly worked up to a jog to get them both home quickly, the rain seemingly not affecting his speed or agility at all.
Despite a brief stop in the front hall to ditch their rain gear the two of them somehow made it up to her room without being stopped by any of the other brothers. M/C was thankful, not sure she would’ve survived the embarrassment. Satan bumped the door shut with his hip and placed her on the ground. Before she could thank him for the day out and send him on his way so she could lick her wounds (literal and metaphorical) in private, he started digging in her closet for her towels.
“Go warm up in the shower, I’ll be back soon with a first aid kit to make sure nothing gets infected. Rainwater can be full of bacteria and pollution”. Once again, no room for argument. She took the towel he’d pulled out for her from his arms and headed into her bathroom, locking the door behind her.
M/C took what some may call a gratuitously long shower, but she’d had a long day - let her enjoy herself. The showers in the House of Lamentation were second only to the showers in the Demon Lord’s Castle – the water pressure and temperature was unreal. She didn’t know how she was going to adjust back to living in shitty apartments in the Human Realm, but that was a problem for future M/C. Hopefully very far in the future. Fully refreshed, she had almost forgotten that Satan hadn’t left for the night. If she wasn’t so used to strange demons coming into her room at all hours she might have been more startled to see Satan sitting on her bed with a first aid kit, waiting for her. What did startle her however was the fact that she could see Satan’s hair was unkempt and damp, and that he didn’t appear to be wearing more than a white towel wrapped around his hips. She dropped her dirty clothes into the laundry hamper, except for her bra which she hung to dry and planned to wash separately. It was one of her nice ones, she wasn’t going to let their washing machine eat up the lace.
“I was wondering when you’d be out. Did you have a nice shower?” M/C didn’t trust her voice to respond, so she just nodded when he turned to face her. He patted the bed next to him and smiled expectantly. She made her way over and sat down, clutching her towel closer to her chest. He gestured to her arm, and she swapped the hand gripping her towel so she could give him the arm closer to him to examine. Painstakingly, Satan examined both of her arms to disinfect and bandage the scrapes from her fall. He moved to the floor between her legs, kneeling before her. She tried to close her legs, but he put his hands between her knees to prevent them from shutting.
“Can I make sure there’s no injuries on your legs?” he asked in a calm tone and made eye contact with the human, almost like he was trying to calm an animal that seemed ready to bolt. She paused for a moment – she knew he would stop if she told him to. But… should she ask him to stop? To give her some space, leaving out the part about how him being between her legs gave her unholy thoughts? Satan was arguably the most trustworthy demon she knew. Not to mention her not-so-little crush on him. Honestly, that was what gave her pause. What if she made it weird? What if he just saw her as a friend? Well, she was already in the Devildom. If she died of embarrassment she wouldn’t have to go far. So, she took a deep breath, and as she exhaled she spread her legs to give Satan room to work. He thanked her under his breath and went to work, focusing on the scrapes on her knees. When he cleaned the knee that took the brunt of the fall she inhaled sharply at the sting of the disinfectant, only for one of his hands to find hers for comfort. The human looked down and saw the care in the way he touched her. It was almost funny for the personification of wrath to be so concerned with inflicting the slightest bit of pain on her and it only softened her heart further.
When Satan looked up, he saw the blush on his human’s cheeks and the affection in her eyes and decided to take a chance. He smiled and got up to throw away the trash and place the first aid kit in the bathroom for her to have supplies to change her own bandages later if necessary. He came back to the bed and sat beside her, taking both of her hands in his.
“I need you to know why I’m so upset on your behalf”. He spoke tenderly. It brought him no shortage of amusement that he could see his human’s eyes tracing a stray water droplet as it trailed down his neck, over his collarbone, down his chest and past his towel. Her eyes lingered on the pronounced V of his hips and he could swear he saw her lick her lips subconsciously, as though she wanted to lick his skin dry. As he began to speak, her eyes jumped up to meet his entrancing green eyes.
“You are so wonderful. You’re kind, smart, and thoughtful. I’m always laughing when I’m with you. I can’t imagine being in your life and taking you for granted. I don’t want you to think that you’re not absolutely everything. You’re our everything here. You’re my everything”. She felt her mouth gape, not having any clue where this was coming from. Did she crack her head open when she fell? Was this a coma dream? She was pretty sure those were a thing, but she wasn’t a doctor. Before she could spiral any further, she felt his hand come up and gently cup her jaw.
“M/C, will you let me worship you tonight?”
Before she could spend too much time thinking about the right way to respond to something so romantic, she heard an almost too enthusiastic “Fuck yes” leave her mouth. And before she could panic about that, she felt his lips on hers. Gently at first, to test the waters. He moved his lips against hers reverently, like she was a sacred place and he was a pilgrim at the end of a long journey. Her hands came to lay around his shoulders and Satan’s free hand laid on her thigh, gripping it lightly. The more time went on the more they began to melt into each other. At the first breathy moan that left M/C between kisses, it was like a switch went off in Satan. He redoubled his efforts, pressing against her with more insistency and his hand moving from its grip on her thigh to her waist, gripping even tighter through the layer of her towel. Their gasps filled the air alongside the sound of their lips meeting.
“So fucking hot” he moaned, tightening his grip to the point it almost hurt.
“Please, Satan. I need more” she begged. Not wasting any time, he twisted them around until her back hit the bed and he straddled her waist. Her kiss-bitten lips and lust-filled eyes sent chills up his spine. Every naughty fantasy he’d ever had of the two of them came to the forefront of his mind and he tried his best to sift through them all, trying to choose the best one to show her the depths of his passion. Before he could decide, he felt the towel at his waist begin to slip. He shifted his weight to his knees to catch it, but he felt a human-sized hand grab at his wrist.
“Please?” her voice was softer than it had been, showing some hesitancy, like she wasn’t sure how far she could push this.
“Anything for you, sweetheart. My heart and my body are yours”. M/C could practically feel her own face heat up at the term of endearment. It felt like she was in a romance novel the way he expressed his devotion so whole-heartedly. Her hand stayed on his wrist as the other came up to untuck the towel from his waist.
“Holy fuck Satan, how were you hiding this in your pants?”, she almost sounded indignant. The demon burst out laughing, glad he wouldn’t have to second guess if she liked the way he looked underneath his clothes. He threw the towel into the laundry hamper near the bed, eager to get it out of the way now that he’d been given the go-ahead. He wasn’t scarily long – it seemed proportional to his height, but he was much thicker than any of the humans she’d been with. She almost wanted to ask if this was normal for demons or if he was particularly well-endowed, but she didn’t want to risk him thinking she was asking because she wanted another demon, so she decided to save that question for her and Asmo’s next self-care night. Preferably after he’d had enough demonus that he was unlikely to remember.
Breaking free from her thoughts, she took him in her hand. Half exploring and half trying to stroke him to full hardness, she tried to get a feel for how he liked to be touched. The breathy moan she earned through a hard grip and slow strokes hinted she was at least going in the right direction.
Through his growing haze Satan asked, “Can I see you too?”
M/C nodded, using the hand that had been wrapped around his wrist to untuck her own towel and toss it carelessly to the floor, pulling him back to her to kiss him hard. Wanting to see her but making use of the patience honed through the millennia of his existence, he let her take control of the kiss and instead tried to focus on the feel of her tongue in his mouth and her hand on his cock. If he had ever been in the Celestial Realm as his own being, he would imagine that this was what it felt like. To be enveloped in the love of his human as they tried to learn each other’s bodies, the sound of the storm still audible against the window panes. He was often envious of his brothers, but not this time. They’d experience this particular heaven over his dead body. Satan felt his possessive streak flaring up and he knew he would do whatever it took to keep his human in his arms until the end of his days. He was brought out of his head once again once the human shifted their focus to teasing the head of his cock. Unable to hold back the moans, he pulled back from the kiss only to shift to leaving marks down his lover’s neck. Sharp nips and sucks drew breathy moans from her, and satisfied sighs when he gently soothed the sting with his tongue.
He spent extra time on her collarbones, obsessed with how easily the red marks bloomed for him just on the edge of where they’d be visible in her usual attire. In his head he could see them at breakfast the next morning. M/C would be wearing her usual weekend attire. Of course, she’d cover her neck with makeup or maybe a scarf, but maybe she’d assume her collarbones would be covered by her shirt? What if she were to move just-so and the hem of her neckline shifted, showing off the marks he so carefully left for her to appreciate? Of course Asmodeus would notice, he never missed an opportunity to stare at her tits. No way he wouldn’t make a big deal about it, drawing the attention of the others. He could practically taste how lovely it would feel to feed on his brothers’ wrath. It also had the added bonus of making sure the others knew she was his – always had been and always will be.
Content with his little daydream, he continued downward to his human’s chest. Her fingers grasped at his hair to ground herself as he teased her nipple to hardness with his tongue, stimulating the other with gentle circles using his thumb. Cupping them in his hands, he took the opportunity to lean back and appreciate M/C. His eyes scanned her nude body for the first time, appreciating every curve and dimple, committing every scar and freckle and mole to memory. From her flushed skin to her messed up hair, she looked absolutely wrecked. He moved his hand to tease the marks he left all over her neck and chest, tracing each one.
“Satan, please, don’t make me beg. I want you inside of me.” she was surprised how pathetic she sounded to herself and possibly more surprised at how Satan’s eyes dilated and his smile grew at the sound, like he was a fox that had spotted a hare.
“But you sound positively sinful when you beg, and you know how us demons love to bask in sin” he replied.
Rolling her eyes, she grabbed one of his hands to drag it down her body to her core. Not willing to pass up an opportunity to be a little shit, kept moving downward until he landed at the underside of her knee.
“Seriously?”
“Shush, I’m a romantic, let me enjoy our first time together. I said I wanted to worship you, didn’t I?”
“Fine. You’re lucky you’re cute”. M/C huffed.
“Thank you for indulging me, your graciousness knows no bounds”. Before she could bite back another response, Satan parted her legs and descended on her inner thighs. Kissing and biting, he cut off her smartass reply and it was replaced by the loudest moan he’d gotten all night. The way he held her legs in place was as delicate as when he had been checking her over for wounds, providing a lovely contrast to way he attacked the soft flesh of her thighs.
“Sensitive?”
“I will end you if you don’t touch me where I want you right now, you ridiculous little furry”. This was the kind of shit that made him fall head over heels in love with her. She wasn’t afraid of him, she saw him as more than his sin. She saw all of them as more than their sins, but right now he was only concerned with the two of them. He didn’t think his smile could grow any wider without becoming distinctly inhuman, and while he was pretty sure she’d be into that, today wasn’t the day to drop that on her. Instead, he hooked her legs over his shoulders and dove between her legs with an enthusiasm he hadn’t felt for sex in centuries, if ever.
Her thighs locked around his head and her hands threaded through his silky blonde hair, throwing her head back and screaming his name. The sound was muffled by her legs covering his ears, but she was loud enough that he heard it loud and clear. It motivated him to show her just how agile his tongue was, to ruin her for human partners and other demons alike. He focused his mouth on her clit, rubbing her hips with his thumbs to soothe her as he overwhelmed the human’s senses. Satan’s tongue felt unbelievably long on her sex, somehow seeming to simultaneously cover her entirely and focus in on the spots that made her buck her hips involuntarily and grind down onto his face. She had never felt so overstimulated before and couldn’t help but continue to moan as he brought her closer and closer to climax. She was helpless to do anything but vocalize her pleasure as he ate her through her orgasm and beyond, her body tensing and twitching as he lapped up her release. When her noises of pleasure turned to noises of discomfort, Satan managed to make his way out from between her legs, stroking the outside of her thigh and using a gentle voice to guide her back into her body.
“Holy fuck. Where did you learn to do that?” she panted as she tried to catch her breath. She caught his eye, appreciating how his face was shiny with her slick. She felt her arousal returning against all odds as he grinned wickedly and licked it all off of his face with a tongue that looked different from usual - too long for his mouth, but lined up more with what she felt on her sex.
“I’m Satan, remember? What kind of great corrupter of mankind would I be if I couldn’t eat pussy?” He flopped down next to her as they laughed, basking in the afterglow.
“I’m still pretty sensitive, but I can touch you in the meantime if you’d like?”
“No, let’s just stay like this for a bit. I want to cum for the first time inside of you, if you’ll allow me”.
Her eyes grew large and she felt herself almost salivating. “Yep, yep, sounds great, good, let’s do that”.
Her demon laughed again, loving how awkward and enthusiastic she was even after it seemed like he’d given her an out-of-body experience.
“Oh, wait, can you let Lucifer know that we’re back? I don’t want you getting in trouble for ‘stealing’ me again”. As M/C curled up on her side and drew the covers up over her, Satan paused. His eye caught the lacy black bra hung on the doorknob of her closet.
“Of course, love”. He was the co-chair of the Anti-Lucifer League. He couldn’t pass up this opportunity. So, before he curled up into her side to be her big spoon, he decided to snap a picture of the bra hanging there. He opened up his DDD, holding it in one hand and stroking her arm gently with the other. It conveniently showed a notification that Lucifer had texted him about half an hour ago.
Lucifer: Have you and M/C returned? The weather is getting worse and it is almost time for dinner.
Lucifer: M/C is not answering her DDD. Will you please update me on the situation once you see these texts?
Lucifer: Satan. If this is a repeat of last time I will make you wish that I just strung you from the ceiling like Mammon.
Perfect.
Satan: Don’t worry big brother, M/C is inside and safe from the storm.
The eldest brother responded almost immediately.
Lucifer: It took you long enough to respond. I will be speaking to you about this after dinner. I hope you’ve made sure she’s eaten, it’s past dinner time and I can’t guarantee that Beelzebub has not gotten into the leftovers.
Satan: Don’t worry, she’s having a great time.
*one image attached*
Lucifer: What. Is. That.
Satan: Sorry, I’d assumed you’d seen a woman topless before. Silly me. That’s a bra, it’s a type of undergarment women wear to support their breasts.
Lucifer: I know what a bra is. Why do you have a picture of what I can only assume is M/C’s bra taken from inside her room?
Satan: Oh, I think you know, brother.
He nudged the human beside him, who was enjoying the skinship and starting to drift off to sleep.
“Hey, wanna mess with Lucifer?”
“Always”
“Can I take a picture of you in bed? You can cover as much of your skin as you want”.
She took a moment to think. “Sure, why not?”
He knew he loved her for a reason.
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