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Sated

Summary:

Levi is one of the rare incubi who despise sex and mingling with humans, but after months of starvation and in fear of fading away, he reluctantly agrees on travelling to a club on Earth. There, among the many college students smelling like sweat and dirt, a particular human catches his eye, his scent so intoxicating he can't resist leaving the club with him and finally satiate himself.

Now with art by nijisonata <3

Notes:

Hello, everyone! This was just an excuse to write some shameless smut while working on other stuff behind the scenes, so expect little plot and a lot of smut. I really enjoyed writing this, though, Eren made swoon very often, Levi is one lucky incubus ;)

Please enjoy!

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

Work Text:

The dazzling lights of the city centre chased away the darkness of the night, hiding even the brightest stars. People’s chattering filled the air, and the streets were livelier than during the day. Crowds were walking up and down the road, swarming into clubs or pubs, their undistinguishable voices louder than the music echoing from the many dance floors, their scent a mixture of arousal, alcohol, and smoke.

Levi breathed all those smells in, directing his senses towards the first one. His mouth watered as lust boiled the blood in his veins. It had been too long since he had had a decent meal, a proper encounter to satiate the everlasting hunger in his body. Despite his need to feed off sexual energy, Levi avoided mingling with humans, their bodies too filthy and sick for him to properly enjoy his food.

His fellow incubi scoffed every time they saw him starving, but the best Levi could do was hanging out in places filled with sexual energy and charge himself up with that. He cursed his demon nature, his unnecessary way of sustaining himself. He would have rather drunk human blood or feasted on death beds, but the Otherworld had pulled a sick joke on him, and made him desire the thing he despised the most.

That night, he had travelled to Earth in an attempt to calm down the cramps of hunger assaulting his stomach. He was weak and in a bad mood, disgusted by the prospect of spending hours among dirty humans, but he couldn’t ignore his needs any longer. He required strength to fight and survive, for some reason he was attached to the cursed life he was living, and the idea of simply fading away, becoming so thin he could only lie down while waiting for damnation didn’t appeal to him in the slightest.

“No one will approach you if you keep up the murderous aura,” a chirpy voice distracted him from his thoughts.

“That’s the point, Hange,” he muttered back.

The succubus bumped their shoulders together. “Come on, it’s going to be fun.”

Levi looked at them with a frown, incredulous they could sport an excited grin. They had even gone out of their way to make themselves look as appealing as possible, only a small part of their human body actually covered in clothes. Levi, on the other hand, hadn’t bothered with dressing up, a black pair of jeans and black T-shirt were good enough for him.

“I’ll never understand you,” Levi said as his eyes roamed the crowd in front of him. He could smell the arousal, but also the undeniable scent of dirt.

“You’re the odd one here, my friend.” Hange pressed their index finger on Levi’s chest. “You should enjoy sex and all things related to it, it’s in our nature to do so.”

“Well, I don’t.”

“But I’ve seen you enjoy it in the past.”

“It was never true enjoyment, just a necessity,” Levi underlined. “Humans are so disgusting and arrogant. In the few intercourses I’ve actually had, people had either been so full of themselves I maimed them or such cry-babies I went back to Hell worse than when I had left it.”

“It’s because you don’t play around enough. You should relax a little bit and look more sociable, no one wants to approach someone that they think is going to murder them.”

Levi threw Hange a death glare. “I can’t help it, can I?”

“I think you can and you should,” Hange said. “You’re paler than ever and the dark circles around your eyes are deepening.”

“That’s why I’m here today,” Levi grunted, resigned to his cruel fate.

“You need a proper meal, Levi, feeding off the energy of people groping each other won’t be enough in your condition.”

Levi refused to acknowledge Hange was right. He had been restraining himself so much he was on the verge of collapsing, and unless he got properly laid, sooner rather than later, he would need to face the consequences of his stubbornness.

“We’re here,” Hange said as they got in line to enter a club. “This is my favourite place in the whole city, I can guarantee you’ll find someone to your liking.”

“I doubt it,” Levi retorted while he scanned the few people in front of them. All college students, smelling like stress and sweat that punched Levi’s sharp senses.

“Let yourself go, Levi, you won’t regret it.” Hange winked.

Levi scoffed, more doubt filling his mind, but at least he could sense the lust oozing from the building even through the walls.

They had to wait only a few minutes before being able to get in. Once they were inside, Hange left off immediately, giving Levi another encouraging grin before going to look for some preys. Levi was more hesitant, squeezing through the groups dancing around, but just like he had sensed while queueing, sexual energy filled the place to the brim. Levi was inebriated by it, with each deep intake of breath, he felt new life course through his veins and his mood lifted by the second.

He let his body be overtaken by it, and fought hard to maintain his human form. Although he doubted anyone would notice his tail or wings stretching the fabric of his clothes, he didn’t want to risk getting unwanted attention. One could never know how people would react to seeing an incubus, some were fascinated by it, intrigued by the supernatural, others were terrified, and Levi had gotten his fair share of holy water being splashed on his face to last a lifetime.

He left the dance floor behind him and walked up to the long bar in the middle of the club. The changing lights were mildly more stable there, so Levi could get a good look at the people sitting there. They were mostly students, a random middle-aged man or woman here and there, but for the most part, they all looked too young to even be in their thirties. Now Levi understood why Hange was so fond of the place; with so many young people ruled by their hormones, it would have been hard not to find someone to hook up with.

“What can I get you?” the bartender asked him, a tall, blond guy with a dashing smile, but one look told Levi he wasn’t right for him. Not even a hint of lust coming from him.

“Just some whiskey. No ice.” Levi mindlessly replied. To him, all human alcohol tasted the same.

“Coming right at you.”

As he waited for his order, Levi looked around in a vain hope to find someone mildly acceptable, but no one caught his eye. All he could see was a mass of people dancing and groping each other, with some random couples making out in the darker corners of the club. The energy floating in the air wasn’t enough to give him the strength he needed, but after a few hours spent in there, he was sure he would be fine for a couple of days.

Lost in his thoughts, he barely registered the bartender placing a glass of whiskey in front of him. He picked it up and then instinctively sipped on it while wondering where Hange had gone. He hadn’t seen them anywhere, but knowing his friend, they had probably already found a victim and were certainly having a better time than him. Levi couldn’t understand how Hange and his fellow incubi managed to keep up with their hunger, he was aware some of them had stable relationships with humans, which made hunting way easier, but none of the humans Levi had encountered had ever made him wish to see them again.

Levi’s attention shifted when a man sat on the stool next to him. He was yet another college student, broad shoulders, hair tied in a messy bun, and a thin veil of sweat covering his forehead. Levi caught a glimpse of his teal eyes, shining bright when one of the changing lights hit his face. He was looking at him with clear intentions, the smell of desire was oozing off of him in strong waves that inebriated Levi, but that wasn’t what stopped Levi’s train of thoughts.

Underneath the smell of sweat and attraction, a hint of cleanness gave this human a unique scent. Levi couldn’t exactly pinpoint what it was. He always made sure his humans had washed themselves before engaging in any kind of activity with them, but this time the freshness was ingrained in the man’s body, tangled together with the sexual attraction and lust, as if it spoke of his very core. No sweetness making Levi sick, no cheap perfumes tainting his natural scent, just a crisp flavour that made Levi even hungrier.

“I’ll have whatever he’s having,” the man told the bartender, nodding towards Levi.

The bartender gave him a thumbs up and finished the drink he was making before starting on the new one. Levi turned his gaze away despite being undoubtedly interested. He might have been an incubus, born with the sole purpose of tempting humans, but he had done so little tempting in his life and even less research on what humans liked that he didn’t know where to start.

He gulped down the last drops of his drink, and as he did so, the bartender brought a glass of whiskey to the college student.

“Another one?” he asked Levi on his way back.

Levi shook his head in denial. He had had enough of this terrible liquor for a night.

Out of the corner of his eye, he watched the man next to him take a sip of the whiskey and then hiss.

“This stuff is strong,” he commented. “You must be used to drinking it, you gulped it down as if it was water,” he addressed Levi.

Levi shrugged. “It all tastes like shit to me.”

“All tastes like shit?” the guy said, inching closer. “They must have given you some pretty shitty alcohol in the past then. Here,” he added, and then signalled to the bartender to get closer. “Make this guy your best Moscow Mule,” he told him.

“Sure thing.”

“It’s on me,” the man told Levi, his smile so attractive and seducing Levi wondered if he wasn’t the incubus between them. “I’m Eren, by the way.”

“Levi.”

“You’re going to love this, Levi,” Eren assured him, Levi’s name rolling off his tongue like the most harmonic of sounds.

“I doubt it, but it’s your money.” Levi shrugged, more to shake off the increasing arousal in his body than to underline his words.

“Trust me, you will.”

Levi’s drink arrived in the blink of an eye. It didn’t look more special than anything Levi had tried before, but Eren encouraged him to drink, and Levi didn’t bother telling him that no matter what he drank, human food wasn’t that appealing to him.

He raised the glass to his mouth and the cold liquid washed over his tongue, leaving a bland taste behind with an undertone of bitterness.

“I told you it would taste like shit,” he then commented.

“You must be very picky with your drinks,” Eren said, not even slightly disappointed by Levi’s reaction. “What do you usually like?”

Sperm, Levi thought.

“I’m not picky at all, I just don’t like alcohol in general.”

“Why did you come here then?” Eren asked. He was sitting on the edge of his stool now, his drink long forgotten as his whole attention was on Levi. “You don’t like drinking and you don’t seem like the type to enjoy dancing either. You’ve been sitting here for a while.”

“My friend dragged me.”

“Your friend?”

“They’re probably hooking up someone by now,” Levi casually said as he took another sip of his cocktail. Drinking gave him something to distract himself with, and he desperately needed to forget about the heat rising in him.

“Typical,” Eren replied, a new wave of desire emanating from him.

“Did your friends ditch you too? Since you’re alone, I mean.”

“It’s more like the other way round.” Eren’s smile left no room for doubt, and even if just briefly, Levi was entertaining the idea of leaving with him.

“Then you’re a really shitty friend,” Levi told him after gulping down the remaining Moscow Mule.

“Hopefully not as shitty as that drink, though.” Eren nodded towards the glass.

Levi grimaced at the memory of the alcohol and pushed away the empty container. “That was awful.”

Eren stood up and took out his wallet from the pocket of his ripped jeans. “I wasn’t able to change your mind about the drinks,” he said, sliding some money under his half full glass of whiskey. “But maybe I can change your mind about dancing.”

“Dancing?” Levi raised an eyebrow.

Eren nodded and then briefly smiled at the bartender as he picked up the bills he had left for him. “Let me show you.” He held out his hand while keeping his eyes on Levi. His teal irises grew darker under the changing lights, pupils dilating and more lust flowing in the air, strengthening his scent in a way Levi couldn’t resist.

He placed his hand on Eren’s and slid down the stool. Eren smiled, pleased, and then guided Levi through the dance floor. They squeezed between sweaty bodies moving around each other, under the blinking lights that gave the atmosphere a surreal hue. Even in the middle of it all, Levi only faintly noticed the sexual energy closing around his frame. His whole attention was directed to where his and Eren’s bodies connected, to the heat emanating from that simple touch that was making it harder for him to keep calm.

Once they had reached the middle of the dance floor, Eren stopped and turned to face Levi. He was more at ease than Levi in such a crowd, and there was no rush nor nervousness in his movements. If Levi hadn’t been able to pick up his scent, he would have doubted Eren was even slightly aroused. His pupils were still trying to overtake the teal and he licked his lips as his eyes trained on Levi’s, but his gestures were so controlled, so natural when he placed a hand on Levi’s hip that it was difficult to imagine the situation was affecting him that much.

Levi tried to loosen up and relax, he knew how this was going to end, and yet he was agitated, eager, hungry. He deeply inhaled Eren’s scent, realising the mistake he had made only when his tail prodded the skin on his back. He forced it back in, and shook his head, trying to chase away the cloud of arousal fogging it. Maybe later he would show Eren his true colours, he didn’t know if he was going to hold back anyway, but now he didn’t want to risk scaring him away.

He wrapped his hands around Eren’s neck, only then noticing how tall the man actually was. Like this, he would need to stand on his toes to even kiss him. His eyes instinctively went to Eren’s lips, plump and tempting, slightly curved in a smirk too attractive to be legal.

Levi felt a pang of disappointment when those lips disappeared from his sight, but he shivered as they stopped next to his ear.

“Are you enjoying this more than the drink?” Eren asked, voice clear even through the music.

“Mildly,” Levi replied, moving back to look at him in the eyes.

Eren smiled and placed his other hand on Levi’s waist as well. “Try moving a bit more.”

Levi let Eren guide him to the rhythm of the music. He was too absorbed in his presence to move on his own, too focused on Eren’s touch on him to consider anything else. His fingers slid over the smooth skin of Eren’s nape and hid in his hair, slightly damp with sweat but definitely soft. He scraped his fingers on the scalp, and Eren’s grip on him tightened. By now both were barely swaying to the music, eyes locked together and ignoring the mass of bodies dancing around them.

Eren’s face was inching closer, and more than seeing it, Levi felt his scent get nearer, his heat reaching his figure and augmenting Levi’s own. Levi’s head was spinning with desire, his mouth watering with want, and his cock waking up in his jeans. He wanted Eren so badly, needed him to satiate his long-lasting hunger. He was surprised by his own instincts when he realised how deep his craving was, but everything fell into its right place when Eren kissed him.

His lips were as soft and delicious as they looked, perfect, slotted against Levi’s own. There was no rush in his kiss either, he was slow and methodical, eager but sure, and the sensation had Levi weak at the knees. He held onto Eren’s neck, scratching his skin again in the rush of arousal that shook his body.

Eren’s hands travelled lower, resting on top of Levi’s ass, and if Levi’s head wasn’t already spinning, now it certainly was. He moaned and pressed his body against Eren’s, lips getting greedier with every kiss. Eren smiled for a split second before he nibbled Levi’s bottom lip, pulling it until Levi granted him entrance. He rolled his tongue on Levi’s, his taste spreading in Levi’s mouth, so exhilarating Levi could only chase after him for more.

His sanity decreased with every lick of Eren’s tongue, with every touch on his body, with every whiff of Eren’s scent that reached his nostrils. He stood on his tiptoes to kiss Eren better, and Eren didn’t hesitate to lower his hands until he was cupping Levi’s ass, squeezing it as their tongues danced around each other. Levi moaned in his mouth, arousal over the roof and incubus features threatening to break free.

Eren moving away stopped his wings from ripping his T-shirt, even though it left him disappointed. He locked eyes with Eren, cheeks on fire and lips shining with saliva, but he shivered at the look on Eren’s face. He was as hungry and desperate as him, his hands possessive on Levi’s ass, fingers digging into the fabric of the jeans as if trying to breach it.

He lowered his head to whisper in Levi’s ear, “Wanna take this somewhere private?”

Levi curled his fingers around his messy bun and only nodded while holding back another moan.

Eren’s apartment wasn’t too far away from the club. It wasn’t anything fancy and wasn’t too tidy either, but Levi barely noticed the pizza boxes on the sofa as Eren took him to his bedroom, kicking off their shoes as their lips sough each other. Eren’s room left a lot to be desired in terms of tidiness too, clothes were haphazardly thrown on the chair by the desk and the small bin under it was overflowing, but Levi felt at ease as soon as he stepped inside.

Eren’s scent was stronger there, and the sexual desire was balanced out by other emotions hanging in the air. Stress, tiredness, affection, the smells in the room spoke of other parts of Eren’s personality, scents that a mere human wouldn’t be able to pick up, but that Levi’s sharper senses quickly spotted and clung onto. Being in Eren’s living space fuelled Levi’s craving for him, everything there spoke of his presence, and Levi was getting high just from it.

They fell on the bed in a tangle of limbs and tongues. Levi’s head sunk in Eren’s pillow and he curled his fingers around the back of Eren’s T-shirt, roaming his shoulders and twisting his hair again. Eren appreciatively moaned into his mouth. He ground on Levi, cock already half hard, but didn’t go further than that. His tongue was still exploring Levi’s mouth, never tired of kissing him, and Levi more than happily let him lick his walls.

After so many kisses their lips were redder and their breaths ragged, Eren moved down to Levi’s neck. He pressed wet pecks on the skin, biting it here and there, just enough to make Levi squirm under his touch. Levi was quickly losing his sanity under Eren’s ministrations, he felt so good with Eren’s lips all over him he had to hide his head on the pillow to muffle the moans escaping his throat.

“Let me hear you,” Eren told him with another kiss on his jaw. He cupped Levi’s face to turn it towards him, lips red and swollen. “My housemate won’t come back for a while, so there’s no need for you to hold back.”

“One of those friends you ditched earlier?” Levi tried to compose himself, but his voice came out hoarse.

Eren nodded. “Yeah.” He pressed another kiss on Levi’s neck. “I would have ditched anyone for you.” His hands slid under Levi’s shirt. “You’re so beautiful.”

Levi gripped Eren’s T-shirt tighter and his cock throbbed in his jeans. How was a mere human able to turn him on like that?

“Eren,” Levi groaned as Eren’s hands travelled up his sides. “I want you so badly.”

“Me too,” Eren replied with a grunt of his own and jerked his hips forward, his hard cock bumping against Levi’s. “I’m clean, by the way,” he said, stopping to look at Levi in the eyes. “In case you were wondering.”

“Oh.” It didn’t quite matter to Levi, human illnesses didn’t infect him, but he was mostly glad to know Eren didn’t have any kind of disease. “Me too,” Levi eventually said to reassure Eren. “It’s been a while anyway,” he added in a whisper that Eren picked up.

The human’s mouth curled in a pleased smile and his lips inched closer again. “Don’t worry about it,” he murmured in a low voice. “I’m going to take good care of you tonight.”

A broken moan got stuck in Levi’s throat.

Eren slowly kissed him again before removing Levi’s T-shirt. Eager, Levi complied, raising his back and arms until his chest was bare. Eren didn’t hide the attraction in his eyes as he stared at Levi half-naked. He ran his fingers on Levi’s smooth skin, flicking his thumbs over Levi’s nipples and watching in awe as Levi shifted on the bed.

When he bent down to press a kiss on his chest, Levi’s hunger deepened. He squirmed around, impatient, too desperate to wait any longer. Eren held him in place and lowered his head until he was able to bite Levi’s stomach. Levi hissed at the sudden pain but moaned as Eren’s tongue lavished his skin. He put his hands on Eren’s shoulders and closed them into fists until the fabric of Eren’s T-shirt crinkled around his fingers.

Eren looked up at him and must have seen the desperation in Levi’s eyes because he stood on his knees and took off his top. Levi couldn’t tear his gaze away while Eren’s muscles flexed at the movement. Taut and strong, Eren’s torso was perfect, his six pack making Levi’s hole twitch, and his arms and shoulders were firm under his touch.

Eren grinned and settled on top of Levi again. “Wanna take these off too?” he asked, pulling one of the belt loops in Levi’s jeans.

“I can’t wait any longer,” Levi replied as he roamed Eren’s back. Without any clothes between them, he could perfectly follow the lines of his muscles, never tired of it.

“Let me help you, then.”

Eren kissed Levi’s lips before he undid Levi’s trousers and pulled them off together with his underwear. Totally naked, Levi felt hotter than before. Arousal kept rising in him, his primal instincts taking over. He spread his legs to invite Eren in, cock already leaking precum, and he didn’t need to ask twice. Eren settled between his thighs and glided his hands on them. His eyes didn’t leave Levi’s body, they took everything in, admired every inch of exposed skin.

Waves of desire were vibrating into the room, getting stronger by the second. Once he had reached Levi’s hips, Eren massaged Levi’s inner thighs and inched closer to his cock. Levi whimpered, bucking his hips to get closer to Eren’s touch, but Eren travelled back down his thighs again, his fingers a ghost touch that left a trail of fire in its wake.

Levi was going insane with need and hunger, he could barely control himself anymore. He put a hand behind Eren’s neck and pulled him down on top of him, capturing his lips in a heated kiss. While he leaned down, Eren’s cock bumped against Levi’s, eliciting a moan from the incubus.

Levi reached down between them and fumbled with the zipper of Eren’s jeans. “Stop making me wait.”

Eren smirked against his lips while he ground on him again. “So eager,” he said, licking Levi’s tongue. “I like that.”

Levi replied with another kiss, still struggling to undo Eren’s pants. Eren did it for him, and broke their kiss to pull down his jeans and underwear, standing naked next to the bed. He was hard too, the sight of the precum oozing from his tip making Levi’s mouth water, but what took Levi’s breath away was the piercing on it. He could only imagine how good it would feel to have it inside, rubbing all the right spots. Eren was already so big Levi had no doubt he would fill him up to the brim, seeing him with that silver jewel too was quite literally the cherry on top of it all.

“Do you like it?” Eren asked as if he didn’t know the answer already.

“Fuck,” Levi hissed, unable to hold himself back.

He reached his hand out to touch Eren, tentatively stroking the slick piercing. Eren groaned, and encouraged by the sound, Levi moved his hand again. Eren was hot in his palm, throbbing at every tug and as Levi jerked him off again, a bead of precum formed on the tip before slowly rolling down. Levi wet his lips at the sight, a moan resounding from his throat, and he only listened to his instincts as he leaned forward and licked up the fluid.

His whole body screamed for more when a long forgotten taste spread in his mouth. This wasn’t enough to satiate him, he was desperate for more of it, his nature required it, especially now after starving for so long. He flattened his tongue on the underside of Eren’s cock and replaced his hand with it, lapping up the precum that was wetting it.

Eren groaned and cupped Levi’s face, tilting it up as he watched him close his lips around his tip. Levi locked eyes with him, both their gazes portraying desire and ecstasy. Levi took Eren deeper into his mouth, swirling his tongue around him and moaning as Eren’s taste invaded his palate. Eren shifted on his feet and ran his fingers through Levi’s hair, eyes still on each other.

His teal irises had been taken over by a dark lust that was permeating the room with its strong scent. Levi almost choked on it as the smell filled his nostrils. Eren was enjoying seeing him with his lips stretched around his cock, his body was exuding desire, and Levi felt himself come to life. He bobbed his head and played with the piercing on Eren’s cock, loving the feeling of it on his tongue. Eren groaned, his grip tightening in Levi’s hair, but he let him go soon after, cupping his face to stop him.

“I’m glad you’re enjoying yourself,” he said, voice raw, “but I want my share of fun too.” He gently forced Levi away from his cock and then laid down on the bed. “Come here.” He signalled for Levi to straddle him.

Disappointed at first and then mildly confused, Levi complied. He sat on Eren’s lap, rubbing his ass against Eren’s cock on the way.

“I’m loving the view, but for now, turn around.” Eren smiled, caressing Levi’s thighs.

Levi furrowed his brows until his face lit up in understanding. He turned to face Eren’s cock, shifting back until it was right in front of him. Eren’s hands immediately rubbed the back of his thighs and ass, creating small circles that made goosebumps appear on Levi’s skin.

“Nice tattoo,” Eren said.

Levi only hummed, too focused on the cock in front of him to give any kind of explanation for the red tattoo at the end of his back. He held Eren’s cock at the base and then took it back into his mouth. He moaned, too addicted to the taste to hide his pleasure and ran his tongue up and down it, paying close attention to the piercing.

Eren tensed up under his touch, but still glided his hands up Levi’s thighs before spreading his ass cheeks. Levi realised what Eren was doing only when he felt something wet press against his entrance. He moaned, cock sliding further down into his mouth and hole clenching. His eyes partially closed, and he lost himself in the feeling of Eren’s tongue coating him in saliva and his teeth nibbling his skin.

Levi forced his eyes to open and pulled back. When his mouth was empty again, a series of moans and pants moved past his lips, unable to keep quiet. An immense heat was spreading through his body, but even more so, a craving for more that left him hungrier than before. The more Eren licked and sucked, the greedier Levi got. He never wanted him to stop, his instincts were begging for more, way too far from being sated to ever get enough of Eren.

Levi lowered his head again, and with Eren’s cock still in his hand, he ran his tongue on it. He licked away the precum forming on the tip, sucking it lightly and moaning when Eren’s taste hit his palate. No one had ever tasted as good as Eren did, everything about him was sending Levi’s senses into overdrive, intoxicating them with each passing second. Levi was hooked on the feeling, and his addiction only increased when Eren’s tongue breached past his entrance.

Levi instinctively bucked his hips backwards, pressing his ass further against Eren’s face. Eren only twitched in his hand, and then plunged his tongue deeper inside him, a drop of saliva dripping down Levi’s skin. Levi moaned and tried his best to focus on Eren’s cock, but every time he closed his mouth around it, his pleasure grew and he got so lost in the ecstasy of the moment that he forgot to move at all.

He kept going for as much as he could, bobbing his head up and down and coating Eren’s cock in saliva that then pooled at the base, but when together with his tongue, Eren slid a finger inside him, Levi had to brace himself on Eren’s stomach, a low moan filling the room.

“Eren,” he groaned, biting his bottom lip as his body was shaken by lust.

Eren hummed and ran his hands up and down Levi’s thighs before squeezing his ass. He spread Levi’s cheeks further apart and lapped at his entrance with slow licks, controlled movements that had Levi shivering on top of him. Levi pushed down on him, a silent plea for more and once again, Eren’s finger joined his tongue inside him.

Levi cried out, cock leaking profusely on Eren’s stomach. He was at his limit, and small bumps were appearing on his skin where his tail and wings were hidden. He forced them back in, biting his lip so hard he could taste blood in his mouth, but Eren was too skilled with that wicked tongue of his, and Levi had to move away to keep his true nature hidden.

“Fuck me already,” he panted, slumping next to Eren on the bed.

“Tired so soon?” Eren grinned. He shifted around until he settled on top of Levi, eyes mirrors of Levi’s same desire, and slowly tugged Levi’s hard cock.

“Eren,” Levi whimpered, squirming. “I need you inside.”

Eren’s gaze darkened. “You’re so hot like this,” he murmured as he leaned down to kiss Levi’s neck. “You already tasted so good, I can’t even imagine how good it’ll feel to be inside your tight ass.”

“Hurry up then,” Levi groaned, tilting his head to grant Eren better access.

Eren smiled against his skin and leaned towards the night stand. He opened a drawer and retrieved a bottle of lube and a box of condoms before settling between Levi’s legs again. He kissed Levi’s chest as he popped the lube open and coated his fingers with it. Levi spread his legs apart, too impatient to wait and Eren didn’t waste a second longer before bringing a finger to Levi’s hole.

He thrust his fingers inside Levi one at a time, the lust at the sight of Levi panting on the bed clear in his scent. Levi pushed down on him every time Eren slid his fingers in, clenching around them as if they were the real thing. Eren got close to his sweet spot a few times, and Levi’s cock twitched at each touch, but Levi had a feeling Eren wasn’t pressing down on it on purpose. He was enjoying himself way too much, he kept his movements slow and methodical, too teasing to be a coincidence.

Only when Levi was about to come did Eren pull back. Levi groaned in protest and wasn’t surprised to find Eren smirking when he was able to finally focus on him.

“Quit the teasing,” he complained, voice already wrecked. “You’re annoying.”

“Seems to me you’re enjoying yourself plenty.” Eren’s smirk widened as he brushed his index finger against Levi’s cock.

Levi lowly growled, twisting the bedsheets between his hands. “Just get on with it.”

Eren stroked Levi’s thighs and bent down to kiss his chest. He pressed small pecks all the way down to Levi’s stomach while his fingers dug into Levi’s hips. Levi writhed, a mixture of impatience and fiery desire coursing through his veins. He tugged Eren’s hair that was now loose on his shoulders, and softly whined again.

Eren hummed in response and when he raised his head, there was a dark lust in his eyes that made Levi’s breath hitch in his throat. His scent had gotten even stronger, pungent with desire, fuelling and satiating Levi’s hunger at the same time.

Eren’s hands eventually left Levi’s body to grab the box of condoms on the bed, but before he could take one out, Levi slapped it away.

“You won’t need those,” he said.

“You sure?” Eren asked, even though the look on his face told Levi he was just being polite.

“Yes, I want you to come inside.”

Eren licked his bottom lip while his cock twitched. “You’re full of surprises, aren’t you?”

Levi snorted. If only Eren knew how right he was.

Eren smiled back and then took the bottle of lube, coating himself up before tossing it to the other end of the bed. He shifted closer to Levi’s entrance and lined himself up. Just the tip pressing on him made Levi’s head spin, a fire starting from his groin and rapidly expanding through his whole body. He held onto Eren’s arms, clutching them tight when the human pressed inside.

Levi’s hole stretched wide, a different kind of burn taking over him, but the discomfort soon vanished as he felt the piercing slide inside. It felt better than he would have ever thought, rubbing his walls as Eren pushed himself deeper. He felt so full, Eren’s cock filling him up so much he was struggling to breathe. He kept clenching around him, muscles tensing until Eren finally bottomed out.

Eren was now panting too, his forehead covered in a thin layer of sweat. He moved around until he was comfortable inside Levi, but then stopped and soothingly caressed Levi’s sides. Levi slid his hands in Eren’s hair, twisting his fingers around it as he gradually relaxed. Eren was keeping a close eye on him, ready to catch even the smallest of winces, but Levi’s pain soon faded and his hips pushed down to encourage him.

Eren brought their lips together in a kiss and then moved away, holding Levi’s waist as he pulled out. Levi whimpered, the feeling of Eren’s cock leaving him so intense a new wave of pleasure overtook him, but it was nothing compared to when Eren thrust back inside. His mouth fell open in a long moan and he dug his nails in Eren’s nape, so overwhelmed he couldn’t control himself. His hole instinctively tightened, begging for more, and Eren didn’t disappoint.

He set a slow pace at first, still letting Levi adjust to him, but his movements soon quickened, exuding the same amount of desire and impatience Levi had. His fingers were digging in Levi’s hips, dragging the incubus towards him every time he thrust inside. Levi couldn’t do anything under his touch, could barely think straight, already too far gone, he was only able to moan and pant.

Eren’s piercing was stroking all the right spots inside him, and when Eren found his prostate the sensation was so intense Levi’s back arched off the bed. He clung onto Eren more tightly, moaning right in his ear. Eren was grunting too, self-control long gone as Levi kept sucking him in. Lust was oozing off of him in regular waves, overpowering all other scents. The room only smelled like sex now, and with each inhale, a newfound energy strengthened Levi’s frame.

He sought out Eren’s mouth, needing to taste more of him and tangled their tongues together as soon as he met Eren’s lips. The kiss was sloppy, both panting hard in each other’s mouth and saliva dripping down their chins, but Levi couldn’t resist it. He kept Eren close, so close that everything he was feeling was just Eren, everything else in the world had stopped existing, Eren was all he was able to perceive.

“Harder,” he cried out when the human hit his prostate again, that damn piercing rubbing against it.

Eren picked up his pace, repeatedly pounding on that same spot. Levi’s eyes were full of unshed tears, a pleasure so high running through his body he would have thought he had gone to heaven if he didn’t know better. His wings and tail were poking his skin, and his self-control was thinning with each thrust. His instincts were taking over, alive again after such a long time, and when Eren bit down on his shoulder and a shot of pain coursed through him, Levi couldn’t hide himself anymore.

His thin tail snaked out from his lower back, finding its way into the open air while his wings unfolded, black and scaly, spreading wide on the bed before partially closing. Eren didn’t seem to notice at first, but once he sat back to adjust himself, his eyes shifted from blissed out to confused. His thrusts slowed down, and he quickly blinked a few times as if trying to clear his sight.

“Please, don’t stop,” Levi whined, moving his hips.

“What-?” Eren tried but wasn’t able to finish.

“I’ll explain later, please, Eren,” Levi whimpered again. “I won’t hurt you.”

Eren must have believed Levi’s words or seen the desperation on Levi’s face, because after a moment longer of confusion, he picked up his pace again.

Levi moaned, his tail wiggling beside him and his wings trembling. Disbelief was still clear in Eren’s expression but also curiosity. He tentatively stroked Levi’s wings and when Levi tightened around him, he did it again. Levi wrapped his tail around Eren’s arm and wasn’t disappointed when Eren tugged on it. He cried out louder, and brought Eren down for another kiss, cock twitching between their bodies.

“I’m so close,” he rasped, groaning when Eren’s piercing rubbed against his prostate again.

“Me too.” Eren nodded, face scrunching up every time Levi sucked him in.

Levi kept him close as he reached the edge. He clung onto Eren’s shoulders while he quickly stroked himself, tightening around him one last time before letting himself go. He spilled himself all over their stomachs, a high-pitched moan echoing in the room. Eren grunted, pushing deeper and harder inside him, and as Levi’s arms were loosening around him, he came as well, his hot cum splattering on Levi’s walls, sending Levi to a higher level of ecstasy.

After their releases, Eren pulled out and laid down next to Levi. He didn’t mention Levi’s unusual features, and Levi didn’t bring them up, too occupied with something else. A few moments after Eren had pulled out, his come had started dripping down his hole, the hot substance pooling at his entrance, and he couldn’t resist it. He brought two fingers to his ass and easily slid them inside, smearing Eren’s semen all over himself.

He sighed and rested on his side while he brought the fingers up to his mouth. Eren tasted so good on his tongue, he licked up every single drop he had managed to pick up. He felt sated and better than he had felt in years, alive even if tired. Sex had never reinvigorated him like that before, his experiences had been mediocre at best in the past, but Eren had manged to make up for years of starvation in a single round.

“Do you like that?” Eren asked as Levi reached between his legs again.

Levi hummed, sliding his fingers inside his hole. “I’ve never tasted anyone like you before.”

“Should I take it as a compliment?”

Levi nodded while his entrance twitched. “I hate humans.”

A moment of silence and then Eren asked, “What are you?”

Levi turned his head towards him, and instead of finding horror or disgust, or even a crazy possessiveness as it had happened in the past, he found curiosity.

“I’m an incubus,” he replied. “A sex demon.”

Eren’s eyes lit up in understanding. “I never thought they really existed.”

“I’m here, so we do exist.”

“Why are you here?” Eren said after a moment. “You said you hate humans.”

Levi fully turned on his side to face Eren. “I need sexual energy to survive, not necessarily sex, but anything related to lust,” Levi explained. “You can say I’m one of the odd ones, but I don’t like mingling with humans, they’re dirty and disgusting, so I’ve spent most of my life starving. Earlier, I went to the club because I’m close to fading away, I didn’t think I’d find someone like you.”

“Someone like me?”

“My mouth watered the moment I smelled you.”

“Thank you?” Eren furrowed his brows.

“I guess? It’s a first for me too.” Levi shifted on the bed before asking, “Aren’t you disgusted by me?”

“You’re certainly different from what I’m used to, but I wouldn’t call you disgusting,” Eren replied before a smirk appeared on his lips. “And you looked so hot while you begged me to keep going.”

“I told you already, I was starving,” Levi retorted, a red hue covering his cheeks.

“And? Are you sated now?”

Levi smirked as a new wave of desire came from Eren. “I can smell your arousal, you know?”

“I wasn’t trying to hide it.” Eren inched closer, hand sliding over Levi’s ass and down to his entrance. “I can fill you up as much as you want.”

“Eren,” Levi groaned while the human pushed three of his fingers inside him.

“What’s your answer?” Eren asked, making a mess out of the come in Levi’s ass.

Levi whimpered and turned on his stomach, lifting his hips while his tail fended the air. “Don’t hold back.”

Eren growled, eyes darkening in a single instant and lust oozing off of him. He removed his fingers and grabbed the discarded bottle of lube, coating his cock with it again before positioning himself behind Levi. He pushed inside as soon as he was ready, hard cock easily sliding in. Some of the come in Levi’s ass trickled down his perineum, and the incubus had to hide his face against the pillow to muffle the moan coming from his throat.

“You’re still so tight,” Eren hissed, fully inside. “So fucking warm too.”

“Eren,” Levi groaned, turning his head to look at him.

Eren massaged his ass before tracing his fingers at the base of Levi’s tail. “What does the tattoo mean?”

Levi was so used to the tattoo on his back, he had even forgotten about it. A red heart with two lines on either side, the top one longer than the bottom one, was drawn around Levi’s tail. Hange had convinced him to have it done by some random warlock in the Otherworld, saying sex would feel better thanks to its magical properties, but Levi had never believed in such things. It was just a tattoo and it had never worked before, or at least not until Eren had come around.

“It’s said to increase my libido,” Levi replied. “Make sex and feeding feel even better.”

“Seems to be working,” Eren commented. “You keep sucking me in even though I’m not even moving.”

“This is different, I’m still hungry.”

Eren smirked and squeezed Levi’s ass cheeks. “I won’t keep you waiting then.”

Eren set a fast pace right from the start, ramming into Levi with increasing abandon. Levi wrapped his arms around the pillow, bracing himself onto it while his legs were already trembling and his cock was hard once more. Now that he didn’t have to hide himself anymore, Levi didn’t stop his wings as they uncontrollably flapped above him and didn’t force his tail to still while it wiggled around.

Eren didn’t seem to mind them either, on the contrary, he didn’t hesitate to close his hand around the tail and tug it hard. Levi’s mouth fell open, a high-pitched moan echoing in the room and mingling with the squelch the come in his ass made every time Eren thrust inside. The sound was filthy and vulgar, but it was music to Levi’s ears, turning him on the more he heard it.

He pushed his hips back to meet Eren’s cock, and clenched around him every time Eren pulled his tail, harder and harder. Eren’s movements were rougher than before, his instincts attuned with Levi’s, his desire even stronger than before. His fingers often dug deep in Levi’s ass, leaving red marks on it, and Levi wasn’t too surprised when he felt a slap on his ass cheek.

“Eren,” he cried out, hole twitching spastically.

As a response, Eren’s hand connected with his skin again, leaving a burning sensation behind him.

With Eren spanking him and harshly tugging his tail, it took less than before for Levi to reach his orgasm. He couldn’t stop the moans from leaving his mouth, the pleas for more each time Eren’s piercing rubbed against his prostate. With the newfound life in his body, even his senses had gotten sharper, and he now felt everything more intensely. His blood was rushing through his veins, carrying ecstasy, bliss, desire everywhere, successfully taking over the rational side of his brain.

His legs trembled when Eren hit him again, and he fell on the bed. Eren stopped just the time to adjust himself to the new position and then kept fucking him hard, hitting Levi’s sweet spot every time. His own body was shaken by pleasure, Levi could smell it in the air, feel it in the way his cock was throbbing. Eren’s sensations mixed with his own until they were one, so strong and overwhelming that Levi came again.

His body shook, his wings opened wide, and his tail stiffened in Eren’s hold as his orgasm blurred his vision. Eren fucked him through it again, coming right as Levi was finishing. He buried himself deep inside him and rested his forehead between Levi’s shoulder blades as he filled him up once more, his hot come adding to Levi’s bliss.

Levi wasn’t able to focus on anything as he came down from his high. He felt so sated and content that he got lost in the sensation for long moments. He came back to reality only when Eren’s come seeped out of his hole again, but he only smiled at that, shifting around to feel more of it drip down his thigh.

“Are you okay?” Eren asked in a voice that was still hoarse.

Levi peered his eyes open and found Eren’s face closer than he had expected. “Never been better.” He softly smiled.

“Good,” Eren replied with a smile of his own before caressing the cheek he had hit. “Does it hurt?”

“A bit, but it’ll heal in a few minutes.”

Eren leaned down to kiss Levi’s skin. “It’s burning.”

“It’s okay, I liked it,” Levi retorted, caught off guard by Eren’s gesture.

“Still hungry?” Eren asked, mindlessly stroking Levi’s back.

“No. At least for now.”

“You can come back whenever you want.”

Levi furrowed his brows. He hadn’t taken that option into consideration until now. Having a human to go to when he was hungry was surely convenient and not unusual, he had met various incubi with stable hook-ups, but it wasn’t convenience that made his heart swell at the proposition. It was Eren’s own behaviour, his softer gestures, his caring gaze, he was at ease in his presence, he didn’t feel the urgency to leave him, the sole prospect of it veiled his thoughts with sadness.

He wanted to stay with Eren for a bit longer, craved to feel his warmth around him; his affection, not just his lust.

“I’ll think about it,” he murmured, still trying to make sense of his feelings.

“You know where to find me.”

Eren smiled and then brought their lips together in a tender kiss that filled the room of a calmer scent. He took Levi in his arms, careful of the wings, and his breath evened out in a matter of minutes. Levi was tense at first, no one had ever hugged him or kissed him like that before, he knew only sex and pleasure, but what filled his chest in that moment was something else, something more satiating and that made him wrap his arms around Eren’s torso too.

He deeply inhaled the new scent and basked in the unusual warmth, and as he watched Eren peacefully sleep, he found himself wondering what it would be like to live on Earth.

Notes:

Let me know if you enjoyed the fic, I super appreciate kudos and comments <3
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