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summoning gone (kind of) right

Summary:

Nagi’s gaze was unreadable, but Reo was focused on something else.

Wasn’t the inner energy radiating off of Nagi.. shockingly significant? He had never noticed because he never thought to check, but since Nagi happened to be in his proximity while he looked over their teammates, Reo coincidentally saw it. And it was a lot.

Succubus Reo is accidentally summoned by Nagi (and friends). Unexpectedly, Reo is overwhelmed!

Notes:

Tnx to Heli_OWN on Twitter (also on ao3!!) for the idea of Nagi accidentally summoning Reo

I swear there’s another succubus Reo fic where he “preys” on human Nagi but I can’t . Find it. And it’s driving me crazy?. Was it deleted? Anyway this is partly inspired by this art posted by @kozHQWvUQc1ou3q

Link to post:
https://x.com/kozhqwvuqc1ou3q/status/1754227960029274187?s=46&t=aPsWlP1GNCvWyDVanxQg4g

(Pls link the fic or drop the title if u know it PLEASE I LOVED IT . I think it used the hentai heart dialogue if that helps narrow it down..)

detailed warnings under dubious consent (don’t click if you know you’re fine with anything, so you can keep it a surprise)

- Nonconsensual somnophilia: Nagi wakes up to Reo on his dick basically, but the issue of consent is not mentioned a single time because hentai logic. Later, Reo also passes out for a moment and Nagi stays inside him
- Nagi grabs Reo and pushes him deeper onto his cock without warning. I keep doing this I know sorry it gets me hard (metaphorically) lol
- The usual “too big/fast/much” schtick
- Sexual Overstim: Reo states he’s “full” (like, in a succubus context. But also literally) and Nagi doesn’t need to continue, but Nagi says some bullshit and continues fucking him anyway
- Reo’s succubus anatomy gives his prey an aphrodisiac that also makes them last longer, and he didn’t really get to warn Nagi about that

One last thing: it’s strictly ngro, Reo knows he’s pining for Nagi and when he thinks about “feeding” on others it’s obvious there is nothing special to it (sex is still an intimate act to him but not when it’s for feeding. He literally calls them prey at one point). But you know, sayinf it here in case you won’t like the implications of Reo having done it with npcs still

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

Work Text:

“What’s Reo looking at?”

“What the- jeez!” Reo startled from the sudden nearness of Nagi’s voice, the latter’s breath brushing upon the sensitive curve of his ear. He sent the boy behind him a glare. 

Nagi didn’t pay his annoyance any mind, continuing to stare at the previous direction of Reo’s gaze. His eyes seemed oddly focused, which was unusual. It was as if he couldn’t understand what he was looking at. “Were you looking at that guy? Who is that?”

“If you mean Takada, that’s one of our teammates,” Reo answered, a smile pulling at his lips. In seriousness, it should probably be concerning that Nagi didn’t pay attention to his teammates, but he couldn’t help finding amusement in how Nagi cared so little about others. “Do you not pay attention to the field when we play?”

“So you were looking at him,” Nagi stated. He was still on that? Reo blinked. “Why?”

He was checking if he was worth it enough to feed on, but Reo wouldn’t say that. “That’s a secret.”

”..why?” 

Nagi’s gaze was unreadable, but Reo was focused on something else.

Wasn’t the energy radiating off of Nagi.. shockingly significant? He had never noticed because he never thought to check, but since Nagi happened to be in his proximity while he looked over their teammates, Reo coincidentally saw it. And it was a lot. Was he too surprised? Not really. It made sense, because of course, Nagi was amazing even in this aspect.

Reo looked back on the school’s football field, his gaze falling back on the same boy they were talking about. Takada was nothing special, but he was a slightly better candidate than the rest—certainly not in athleticism, just his energy. Barely, though. 

Reo pursed his lips. He was running out of people to feed on within their school, since he didn’t like feeding on the same person twice. The time for him to start exploring elsewhere was coming near. What a pain.

“You’re looking at him again,” Nagi pointed out, suddenly closer to him than before. Reo pushed his face away, ignoring the childish pout on his partner’s face. “Tell me why.”

“Stop being weird,” Reo said, without any heat to his voice at all. “I know you don’t care.”

“Reo is weirder,” Nagi shot back. Reo chuckled. “Doesn’t that guy suck at football? You told me.”

Reo raised a brow. “So you do remember him. Anyway, not everything I do is about football, Nagi.”

Nagi was silent.

He aggressively ruffled Nagi’s already messy hair. He could see a familiar head of pink hair approaching them, and he figured that would be the end of their private conversation before Chigiri dominated it with his charming presence. “Don’t worry about it.”

 

Just as he was about to start buttoning his shirt, Reo heard the footsteps coming towards him before he saw Takada from the corner of his eye.

“Reo.” The boy seemed nervous. His expression didn’t show much of it, but Reo could simply feel it. Cute, but not appealing to Reo in any way. He didn’t like cute, he liked cool (with one exception, but in Nagi’s defense, he was really cool sometimes).

Still, Reo scanned him from head to toe. Appearance-wise, he wasn’t the worst.

The action renewed Takada’s discreet nervous ticks, fidgeting with his hands. “I noticed you were staring earlier, during practice.”

Reo wasn’t surprised. He wasn’t really trying to hide it. “Yeah?”

“Can I ask why?” Takada asked, insecure. He was self aware enough to know he was far from the best player in their team. He at least had his height going for him, but that was about it.

Reo contemplated, letting Takada stew in his own anxiety for a few moments longer. He was planning on approaching the boy some other time, preferably when he really needed the feeding, but if the prey took it upon itself to hand itself over, then there was no harm in getting it over with.

A disarming smile fell into place on Reo’s face. Taking slight delight in the obvious effect it had on Takada, he closed his locker with a soft ‘click’ and leaned closer to the other. He asked, “do you have any ideas?”

“I-..” Takada glanced at Reo’s bare chest and Reo’s smile twitched into something the tiniest bit more genuine, more so amused than anything- “don’t know.”

Reo stepped closer. He couldn’t help but notice the other was still clad in his jersey. What had he been doing while the rest of the team was changing? Nervously thinking about confronting Reo? He tried not to think about how pathetic that was as he reached for the front of Takada’s top.

But Takada squeaked, and Reo’s eye twitched.

Nope. He wasn’t desperate enough for this.

He let go of his shirt at the same time a quiet voice resounded within the changing area. “Reo.”

“Nagi?” Reo exclaimed, pleasantly surprised. “I thought you left?”

Nagi wasn’t looking at Reo. Curiously, he was looking at the space—or lack thereof—between him and Takada. His expression was as unreadable as always, so Reo thought nothing of it. Who wouldn’t look? It was a somewhat scandalous scene, especially inside an empty changeroom. “What are you doing?”

Reo snorted. It probably looked like Nagi was interrupting something, but his entrance was perfectly timed. He was done here; to feed on someone like Takada, he’d have to be really desperate. “Nothing.”

Nothing?” Takada parroted, a raging red splattered across his face.

Reo ignored him, buttoning his shirt. It looked like he would have to go home with Nagi like normal today as well. “Were you waiting for me, Nagi?”

“Yes.”

A pleasant feeling washed over the irritation. It would be foolish of Reo to assume anything from Nagi’s friendly actions, but that didn’t mean he couldn’t take pleasure from them. Maybe his partner didn’t like him the way he wanted him to, but he still liked him better than most. Reo smiled at Nagi, who had walked a distance closer. “Are we leaving together today, too?”

A strange expression took over Nagi’s face, as if he had just remembered something. “Oh. No. I have something with Isagi.”

It took conscious effort on Reo’s part for nothing to show in his body language. “Alright. Just.. you and Isagi?”

“Bachira, too.”

An internal sigh of relief. “Okay. Okay, have fun!”

Reo mentally patted himself on the back for the chill reaction. Maybe it was a little pathetic, but the overwhelming jealousy he would feel over Nagi took a lot of practice to deal with, okay? It was important to take note of one’s small victories.

“Nagicchi!” Both Nagi and Reo looked over the open door. There Bachira was, buzzing with his usual energy. “Let’s go! Hi, Reocchi!”

“Hi,” Reo greeted. “Have fun.”

He was slightly curious about what they had planned, but it was probably another game night. And Reo wasn’t interested, no matter how much he liked spending time with Nagi. They always played the same three to five games, so it got boring real quick. Nagi’s presence didn’t mean much either, not when his partner was too focused on the games to pay Reo much attention. 

“Bye!” Bachira waved back, the speed of his waving twice as fast as Reo’s.

Once the two left, Reo glanced at Takada, who flinched. He rolled his eyes.

 

“Bachira,” Isagi started. Nagi was sprawled on Isagi’s couch, so he couldn’t see the latter’s face. Still, he was sure the exasperation in his voice matched his expression. “What’re you doing now?”

Nagi could hear weird shuffling noises coming from Bachira’s direction. “Remember that super cool suggestion I had?”

”..which one?” Isagi asked, wary. “And what type of cool are we thinking right now? The normal or the insane? Bachira, stop bringing stuff out and answer me.”

“Probably insane.” The shuffling stopped. “There. That’s all we need.”

“For what?”

“Summoning a demon!”

Nagi ignored Isagi’s bewildered squawk and actually turned his head, curious to see what type of ingredients Bachira prepared for such an activity. 

The ingredients were more mundane than he expected: a new bottle of salt, six lavender-colored candles, a box of matches, and chalk. The typical ingredients for a summoning one would see executed in shows. It was so typical that Nagi already had his doubts.. would summoning a demon really be that simple?

“All we’re missing is an offering,” Bachira said. Nagi sat up, leaning on the couch’s armrest instead. “The tutorial didn’t specify. It said it depended on the demon, but I thought I’d decide with you guys which demon we wanted to summon!”

“None,” Isagi stressed, “we’re summoning none.”

“But I spent so much money on these.” Bachira gestured to all the materials laid out in front of him.

“Who asked you to!?”

Bachira pouted. “You guys didn’t say anything when I suggested it, so I assumed that was a yes.”

Isagi made some weird gestures to the air, trying to express his incredulity. Nagi thought he would be used to Bachira’s eccentricity by now, but he supposed Bachira had never gone into summoning-a-demon territory. Until now. “People normally assume the opposite, Bachira!!”

“Let’s just do it,” Nagi said. Isagi looked at him in betrayal (and really, when had Nagi ever consistently taken his side) the same time Bachira cheered. “As long as you guys do all the work.”

“Why should I—“ “Yes!”

Bachira picked up the salt, skipping to Isagi’s spacious living room floor. Isagi just watched in defeat as Bachira started pouring a generous amount of salt to make a circle. He could very well stop him, but Nagi had a suspicion he had the same thoughts as Isagi: the summoning wouldn’t work, so what was the harm in indulging their friend?

“There aren’t any gaps, right?” Bachira asked once he finished the large circle. It was a little lopsided.

“No.” Isagi stood up with a grunt, walking towards Bachira. “I guess.. we should just get this over with. What’s the next step?”

Bachira crouched down to grab two sticks of chalk, handing one to Isagi. “The tutorial says we draw an inverted pentagram.”

“Right,” Isagi said. “Where did you find this tutorial?”

“It was one of the first results online.”

“Oh,” Isagi said. Nagi huffed in amusement. “And you’re sure it will work?”

“No idea,” Bachira answered in a beat. Isagi made some kind of cringed noise when Bachira started actually drawing on the wooden flooring, one hand holding his phone so he would have a reference to follow.

“So we’re desecrating my mom’s floor for no reason,” Isagi muttered.

“Nagi, hold the phone so me and Isagi can use both our hands,” Bachira turned to Nagi, expectantly offering his phone to the latter. Nagi’s face twisted slightly, before he relented, peeling himself off of the Isagi household’s comfortable couch.

When they finally finished the inverted pentagram or whatever, Bachira took the candles next. It would be difficult for him to reach the other side of the large circle, so he distributed the candles amongst the three of them.

“Put one on each end of the pentagram,” Bachira told them.

Nagi simply gave his candles to Isagi once the latter’s hands were empty. He didn’t feel like crouching down.

“Ok, good!” Bachira clapped. “Isagi, place the last one in the middle. Nagi, get into Isagi’s kitchen and choose an offering. Anything would be fine, probably.”

He missed Reo.

“Sure.” Isagi placed the last candle the same time Nagi dragged his feet to the kitchen.

When he came back, Bachira had already lit up all of the candles and dimmed the lights in the living room. Nagi noticed the candles were scented.

“It smells familiar,” Nagi commented. He liked the smell.

“Oh, probably because it’s lavender,” Isagi said. When Nagi only stared at him blankly, he sighed. “Because of Reo? Reo uses a cologne that smells like lavender.”

“Place the offering in the middle, beside the candle.”

Nagi stared at him strangely, the slightest disdain in his eyes. “Why do you know that?”

“Don’t even imply-“ Isagi started indignantly, but his eyes went to the offering Nagi placed- “an entire slab of steak? That’s expensive, idiot, put it back!”

“Wouldn’t that summon a demon with an inclination for meat?” Bachira mused.

Isagi yelped. “Now, you have to remove it!”

“Do you really think it would work?”

But before another petty squabble would spark between Isagi and Nagi, the steak started sizzling. They all went quiet—Isagi’s eyes widening and Bachira’s grin growing eager. A purple light started emitting from the chalk, and Isagi shrieked.

“What? What? Can we cancel it?!” Isagi reached towards the circle, but Bachira urgently slapped his hands away.

“No! Don’t disturb anything,” Bachira warned, but Nagi noticed his knee had disturbed the circle of salt. “The tutorial said if the salt barrier isn’t full proof, the demons will scatter.”

The light continued to grow brighter.

“I don’t want a fucking demon in my house!”

Nagi brought a hand up to shield his eyes when the light grew brighter and brighter until it flashed, lighting up the entire living room for a blinding second.

The light subsided. They all held their breath.

Nothing happened. The summoning circle looked untouched and the meat looked normal. Most importantly, there was a distinct lack of any dark, mysterious figures.

“Aw, but a demon or two or three should be in the circle by now,” Bachira complained.

“Maybe it didn’t work.” Isagi sounded breathless, probably overwhelmed with relief. “It didn’t like the steak or something?”

“Should we try something else?”

No!” “No.”

”No,” Isagi repeated, for good measure. “Oh, my god, are demons real?”

“Cool. I’m going home.” Nagi picked up his school bag from the couch. It was late—they had already played for hours before this whole summoning thing ate up even more of his time. “I want to sleep.”

Bachira perked up. “Oh, same!”

“Hey!” Isagi hurriedly stood up. “You guys aren’t leaving without cleaning this up first. And- don’t leave me alone immediately! It’s my house you guys used, what if the demon’s actually in here?!”

Finally home hours later than he had planned, Nagi crashed on his bed. Not before a few silent insults towards Isagi for being a coward—those few hours could have been spent sleeping.

 

Nagi was used to waking up to the sight of Reo on the morning of school days. But he was used to Reo’s bright grin as he cheerily told Nagi to get ready before they ended up late, as pushy and eccentric as always. He was used to the unfamiliar yet comfortable lively mornings Reo brought with him.

Not Reo half naked, trying to sink Nagi’s cock into him.

“R-Reo?” Nagi stuttered, his voice groggy with sleep. Was he dreaming?

“Nn..! Good morning,” Reo said, but Nagi couldn’t exactly reply—not with the unfamiliar warmth around the head of his cock. What the heck.

Reo shifted, probably to a more comfortable position to settle in. The plush walls surrounding him moved and Nagi almost went dizzy, his sleep-addled mind unable to process the fact his dick was inside Reo.

“Wh-“ Nagi swallowed, ripping his gaze away from that small pussy stretched around his tip- “what’re you..?”

“What am I doing?” Reo repeated, his head dropping as he panted. Nagi noticed the horns protruding from the sides of Reo’s head. “Isn’t this what you wanted? What, are you disappointed it’s me?”

?????

“Mn.. fuck.” Reo neglected Nagi's confusion yet again. The muscle on his sculpted thighs stretched as he tried to push the cock deeper, but his hips instinctively raised again to avoid that overwhelming width. “You’re, sh-shit, so big. It’s ridiculous. Give me a second.”

Nagi looked down, his eyes boring into the intricate symbol on Reo’s abdomen. “What did you mean?”

“Stop talking.”

“Is Reo.. mad?” Nagi asked, anxious. It was hardly the most urgent matter, but Nagi never had normal priorities.

Again, Reo didn’t reply properly. Nagi couldn’t see his expression either, not with his face down in the dark. He pouted. He grabbed both of Reo’s hips, briefly marvelling at the sight of his hands enveloping those hips, before he squeezed. Ignoring the selfish anticipation racing in his chest, he reasoned he needed to speed up whatever Reo was doing.

“Nagi?” Reo looked back up, but those eyes widened when his hips were raised then shoved down Nagi’s cock, pushing him to take almost all of him down to the base, his hole straining to stretch wider to accommodate the thicker parts of Nagi’s cock. A strangled cry escaped him because Nagi was pushing against something inside him, gravity making the force of it relentless. His brain scrambled as his cunt was abruptly stretched to its limit, that polarizing length pushing at what was once untouched.

Too deep!!

Nagi groaned. He revelled in that comfortable heat hugging him, before he asked, “Can Reo explain now?”

“Explain?” Reo dumbly mumbled, teary eyed. Those hands squeezed again, and Reo profusely shook his head. Nagi had meant nothing when he squeezed, but Reo seemed to take it as a sign that he would repeat his earlier actions. Cute. “O-oh, uhm..”

“Hm?”

“Can’t,” Reo reluctantly whined, clutching at the front of Nagi’s sleep shirt. His pride as a succubus took a hit. He was a literal sex demon—how could anything be too much for him? What did he mean by he ‘can’t’?! But pride didn’t matter when there was a huge cock buried inside him, just a few strong thrusts away from fucking into his cervix. “It’s too deep!”

“Hm.” Nagi looked down. “I.. can tell.”

“Uh?” Reo followed his line of direction. His breath hitched at the sight of his bulging abdomen, the previously sculpted plane of skin obscenely shaped by the cock inside him, so deep that one could actually see it.

Nagi didn’t move, but even so, the feeling of that head pushing at his cervix was overwhelming. With his hands on Nagi’s shoulders as leverage, Reo struggled to raise his hips. However, as it slowly dragged on his walls inch by inch, his thighs trembled far too much, and it only resulted in him dropping back down.

The bulge protruded, warping the womb tattoo on Reo’s tummy again. “Nnngh!”

“Reo,” Nagi said, his voice drowned out by Reo’s noises.

Reo tightened his hold on Nagi, his tail curling around Nagi’s thigh in a poor attempt of comfort. That brought attention to the appendage, and Nagi was reminded of the absurdity of the situation.

One of Nagi’s hands left its place on Reo’s hip, reaching behind Reo to take hold of the base of his tail. He felt wonder. It was sturdier than he expected. “Was Reo the demon I summoned?”

Reo shivered when calloused fingers gently rubbed on his tail. It curled tighter around Nagi’s thigh, tight almost to the point of discomfort on Nagi’s end. He glared at Nagi, but it was difficult to be intimidating when penetrated so deeply. “St-stop that. And what do you think?”

“So the summoning worked,” Nagi remarked, absent-mindedly running his palm along the length of the tail. For someone who just had the existence of demons be proved to him, he didn’t sound as surprised as he should. That was Nagi for you, Reo begrudgingly thought. “But, why are you..”

“Mnn- Nagi. Why are you even asking? You’re the one that summoned me. And I think you read enough erotica to have a good guess.” Reo was sure. He had cleaned Nagi’s apartment a few times. At the time, with his budding feelings for Nagi, it was hard to suppress whatever it was he was feeling when he came across such material. He kept trying to tell himself he shouldn’t be reacting so intensely to something typical for a teenage boy, but all hope was lost when his hand brushed over a lewd manga about a male succubus. 

But now, Nagi’s possible fascination with male succubi angered him—it was a good thing Reo was the one he summoned, but what if he wasn’t? Not every demon was as nice as Reo. They would have given Nagi what he wanted, but not without a cost. And the fact that- that Nagi would’ve been fine with just any succubus! Did Reo mean nothing!? (Okay, maybe he was being a little irrational, but these were Reo’s genuine feelings!)

“Eh? You’ve seen them?” Nagi at least had the sense to look sheepish before he seemed to connect the dots. “Wait, so Reo is a succubus?”

“Bingo,” Reo impatiently answered, squirming on Nagi’s lap. He let some bitterness seep into his tone, “Can you just fuck me already? Let’s talk later.”

He wasn’t exactly ready yet (for Nagi to move and for them to talk), but with the size of that thing, it felt like he wouldn’t ever get used to it. And certainly not in his first time with Nagi. But Reo doubted Nagi was a rough fuck—it was Nagi, after all..

Once again, Nagi didn’t follow his orders. The grip on his tail tensed. “Is this what you were trying to do with Takada?”

“Who? ..oh.” It took Reo a second to recall what Nagi was talking about. “Yeah. I was hungry, and he was the next best option. Isn’t it good timing you decided to summon a succubus? Benefits for both of us. Whatever, Nagi, I said—“

The remaining hand on his hip squeezed, and Reo tensed. But nothing happened, leaving Reo to feel ridiculous. Nagi’s earlier action was just a fluke (though it was hard to feel that way when the effects of it were still incredibly clear—stretching his hole and pushing at parts deep inside of him). He needed to quit feeling intimidated by Nagi. Plus, he was supposed to be mad at him right now! 

“Why him?” Nagi asked, leaning forward. The action shifted that monstrous dick inside him, and Reo bit back any embarrassing noise. “I was right there. Has Reo been fucking no-names this whole time?”

“Hey,” Reo indignantly started, “I still have standards. Takada was- a-ah, an outlier, okay?”

Wait, what did he mean by he ‘was right there’?

Suddenly, those hands started to raise his hips. At the slow drag of his cock pulling out, Reo scrambled to hold onto Nagi once again. “Fffuck, what’re you–“

“Then, was I not a good option? I had to do all that troublesome ritual stuff before Reo would even consider me?” Nagi murmured. He wasn’t looking at Reo, opting to watch the way his large cock pulled out of that cunt, the hole straining. It was a wonder how Reo could fit so much inside him. “I’ll try to be what Reo desires, so don’t be mad at me.”

“As if,” Reo blurted out, before he could really think about it. He neglected to say that he had never desired anyone as much as he desired Nagi. Though, that was in a different context. He never thought of Nagi as a means to fill his hunger—it would be weird. His partner meant much more to him than just one of his prey. But with his mind scrambled from dick, Reo instead said, “I know you’re a virgin. It’s fine, Na–“

He was slammed down, the same time Nagi thrusted. Reo’s eyes widened at the force, tears pricking at his eyes when that fat head hit that part inside of him again. His next words, berating, were interrupted by Nagi raising him up quickly before slamming him down again. His hands slipped from Nagi’s sleep shirt.

“N–nyo– ah, nnh, ‘s too big–!”

Nagi manhandled his body on his cock, raising him up and down as if he was simply a toy to warm his cock. Anyone could see the shape of Nagi’s cock bulging from his abdomen, sinking and rising in tandem with those deep, hard thrusts. Mortifyingly, with how wet he was getting, wet squelching sounds accompanied every slap of skin on skin.

Reo could barely even speak, but Nagi relentlessly kept hitting his cervix, so he forced himself to when he swore he could feel it starting to give way. “Na-Nagi– w-wait, my, ungh! Nagi!” My womb!

“Mn?” On the other hand, Nagi also had the vague sense that something was giving way and was eagerly thrusting because of it, looking forward to finally burying the rest of his cock. His thrusts got impossibly harder, bullying that spot inside Reo with little regard for the latter’s babbling. It felt as if he was battering that opening, nudging it more and more open. 

Nagi’s eyes fell onto the succubus marking repeatedly stretching with how Reo’s abdomen bulged. 

It was unexplainable how the sight was so lewd. It was like it emphasized just how much Reo was forced to take. Nagi swallowed.

Reo yelped when he was pushed down on his back, the cock slipping out of him in the process, only for it to be shoved back in barely a second after.

Thump.

But coincidentally, that seemed to be the last push his cervix needed before Nagi was finally able to push all of him inside, the head popping inside with a filthy squelch. Reo squealed. 

Nagi groaned, loud. He bent forward, his hands squeezing Reo’s hips tight as he revelled in the warm vice on the head of his cock. He grinded, and one of Reo’s legs behind him kicked involuntarily. 

Reo whimpered. He bit into his knuckles, feeling the warm tears pooling into his eyes (were those hearts in his eyes?). It almost hurt, but it was so good. He resisted the way his brain felt as if it was turning into mush—going stupid—as it zeroed in on the feeling of Nagi’s big cock fully shoved into him, his walls straining around such a polarizing intrusion. That cock truly touched everything now, pushing against his fluttering walls and rubbing his womb, destroying it. So perfect- Nagi was his treasure and he was so perfect and so big and so deep

“Nnngh!!”

Nagi pulled back, and Reo jerked when that fat head popped back out of his womb. Reo almost felt like passing out as Nagi slowly pushed in again after nearly pulling out, dragging his oversensitive walls inch by agonizing inch as he trembled. That head pushed against his cervix again, and Reo sucked in a breath.

“Wait..!”

The small opening had already been nudged open before, so that fat tip’s entrance was slow and smooth, the bulge on his tummy protruding. Reo’s entire body shuddered from the intrusion and Nagi’s hands caressed his sides.

“Is that your womb?” Nagi breathed. “Am I breeding Reo?”

Reo shook his head. The feeling of something inside his womb- everything was so foreign, but he barely had time to process it before those hands tightened their grip and Nagi intruded his womb again and again and again. 

“Plea–.. too much..! Please– pleaseplease–!”

Nagi no longer fucked him in a too-fast pace, but it was just as devastating the way his thrusts were deep and hard, more focus put into every thrust, making sure to batter into his womb every time. The hard pace punched out broken cries from Reo’s throat, his hands coming up to sink his fingers into Nagi’s pale, unmarked back. But his grip was unstable, his hands slipping off with how his body rocked back and forth against the bedsheets.

“Nagi, Nagi, nnnghh, oh, no–“

“Did Reo do this with others, too?”

Reo’s bleary eyes struggled to look toward Nagi.

“How many people got to have you first..” Nagi asked, the cute pout on his face contrasting with the obscene sight of Reo’s abdomen bulging, his succubus marking stretching. “Am I good, at least?”

“You-“ Reo felt some incredulity behind the overwhelming pleasure, because how did Nagi expect him to reply to him like this?! “Nnah— ah, oh, god—!”

“I’m better, right?” A hard thrust. “Reo.”

“Y–yes! Yes!” So much better. Reo’s voice sounded foreign to his own ears, so wet and teary and pathetic. “Fffuck! Nagi, Nagi, I’m–“

Reo felt the telltale signs of his incoming orgasm spike. He had no time to warn Nagi before his mind scrambled and white-hot pleasure overtook him as he came, transparent fluid gushing around the overwhelmingly thick cock stretching his hole wide. An unwitting squeak escaped him, but it didn’t reflect just how much he was feeling.

His body thrashed and arched off the bed, hips twitching involuntarily as his poor cunt continued to get fucked through the intense orgasm. He let out a distressed noise, his hands flailing before it eventually settled onto the bedsheets, his grip weak as he instinctively tried to escape what felt like unending pleasure. It was to no avail—Nagi’s grip on his hips remained firm and he brokenly whined. 

He could feel a familiar comfortable warmth on the skin of his abdomen (which was still bulging, and not, and bulging again–) that should be accompanied by a glow emitting from the lines of his womb tattoo. He barely heard Nagi’s fascinated hum.

For his marking to actually glow, he would have to be full. If Reo had the capability to think beyond what he was feeling, he would be flabbergasted. No one ever had enough inner energy to completely revitalize Reo in (less than) one round. But he didn’t have the capability to think, and all he could think about was that hard cock brutalizing his womb even when he was full full so full

“Nagi–“ another hard thrust, and fluid squirted out of his poor pussy. Reo sobbed– “I’m full! ‘S done!”

“Hm? Reo has been full since earlier,” Nagi said, his voice laboured. His voice was almost drowned out by the sound of skin slapping on skin and the increasingly wet, filthy sound of Nagi thrusting in, made even wetter by his own pussy’s fluids. 

“No, i-it’s.. enough! Your- ah, nn, ha—!” Reo barely got any words out, the pounding interrupting his attempts to utter a full sentence. The effects of each slam into him was made even more intense with the way it seemed to push more cum out of his spasming pussy, dragging his orgasm long and thin. Reo’s trembling hands scrambled to push Nagi’s navel in an attempt to stop him from going so fucking deep. “I’m full!”

“But I haven’t come yet,” Nagi pointed out. “Don’t you guys have to consume cum?”

“Not.. how it works!!”

“Oh... but Reo can handle it for me, can’t he?”

This insatiable—!! 

Hands grabbed the back of his knees, pushing his legs up against Reo’s chest and Reo wailed at the change of angle. Every time Nagi’s cock would slide its way inside his abused walls, pushing with its sheer size, it would grind into that hypersensitive spot inside him even harder.

Nagi said, “Reo, you won’t go to anyone else after this, right? Tell me I’m better than all of them. That- that you want me.”

Nagi took hold of one of Reo’s hands and pushed it against the bed, intertwining their fingers. He shifted his other hand’s grip so that it could keep Reo’s legs in place, keeping Reo almost bent in half. “Please. Say it. You’re mine–“

“Yours!” Reo cried, holding Nagi’s hand desperately tight. Everything was made overwhelming with the way Nagi’s inner energy felt endless, pouring into Reo’s overflowing senses. It felt like Nagi was trying to ruin him completely. “Yours, ‘m yours–! Y–you’re so good, better– the best!”

Nagi moaned, his thrusts finally faltering. “Reo’s the best, too. So good.”

“In me, cum in me! Please, I’m so full–!”

Nagi slammed all the way inside, his hips flush against Reo, before he came deep and hard. Reo keened from the feeling of viscous cum flowing inside his womb. The bulge grew ever so slightly bigger. The cum had nowhere to go but to fill his womb, the tip of Nagi’s cock keeping it plugged.

“Fuuck,” Nagi shakily cursed.

Reo’s eyes rolled back, before his vision blacked out.  

 

When Reo came into consciousness again, it must not have taken very long—the sky outside the window was still dark, his pussy was still sensitive, and Nagi was still inside him.

“Mmn..?” Reo squirmed. Mercifully, Nagi was barely moving. However, even that was almost too much for his oversensitive hole, walls, everything felt like too much when he was so full in every possible sense of the word. Did Nagi cum inside his womb?

“Hi,” Nagi greeted.

He looked down, and sure enough, his womb marking was still glowing. It wasn’t as bright, but it settled into a consistent glow that indicated his fullness. Moreover, looking down gave him a clear view of the way his abdomen bulged obscenely, filled with cum and a dick that was still hard.

“Why are you still—“ Reo choked as he realized. “Shit.”

“I was gonna ask if you had anything to do with it.”

Reo brought his hands to his face, digging the heel of his palms into his forehead. He ignored how any movement from either of them shifted that hard cock inside of him and stimulated him insistently. Nagi and his stupid, monstrous cock. “It does have s–something to do with me.”

Nagi didn’t sound too surprised. “How?”

“Well,” Reo started awkwardly, “men usually don’t last this long. I don’t even get full from two rounds with them.”

Nagi stared.

“It’s a succubus thing,” Reo said plainly, gesturing vaguely. “Aphrodisiac. That was in your ero-manga. It’s something like that.”

“Oh. Nice.” Reo would have found amusement in Nagi’s simple answer if the latter hadn’t started pulling out. His eyes widened.

“Wait, wait, wait.” Reo grabbed Nagi by his collar and pulled him forward. “What do you think you’re doing?”

Slight confusion decorated Nagi’s face. “I’m done.”

“Done?” His eyebrows rose, and his gaze slid down. Nothing about that hardness said ‘done’. Reo, of all people, would know especially well. “You’re not done.”

“But Reo said he was full?”

That was true, but Reo felt indignant anyway. He ignored the womb marking glowing in between them. He wasn’t going to leave Nagi unsatisfied—that would be a disgrace! The entire succubi community would laugh at him! (Hypothetically. Reo didn’t actually know many demons, let alone sex demons.) “Who do you think I am? I can take it. I’m a succubus.”

“Whatever Reo says,” Nagi said easily. Hands gently removed the grip on his collar, before settling on Reo’s hips once again.

Reo flinched when the next movement tugged on the opening of his womb, aggressively reminding him of the fact Nagi was in his womb, plugging the copious amount of cum inside. His voice was embarrassingly pitched, “A–ah! Well, you know– we could.. use a break.”

“Mkay.” Nagi’s hands slid up, caressing Reo’s sides.  “Cuddling with Reo is enough.”

Reo’s face flushed, both from the gentle touch and the words. He didn’t understand how Nagi could admit certain things so easily. “It’ll only be a few minutes. I recover quickly.”

“Mm.” Nagi glanced at the glowing succubus marking (stretched along with the skin), but made eye contact with Reo shortly after. “Can we talk now?”

“Talk?”

“Reo said we could talk later.”

Reo did not, in fact, remember that, but he was also fucked out of his mind not too long ago, so he trusted Nagi’s word over his own memory. “What do you want to talk about?”

“Why was Reo mad at me?”

He was? Oh. “I’m not mad at you anymore.”

That problem was kind of resolved the second Nagi shoved that perfect dick inside of him and gave him so much energy that it felt like the metaphorical progress bar was going to burst. He barely even recalled why he was mad at him. Reo had been feeling fuzzy, actually, like he was drunk on Nagi. And full of Nagi.

“Okay.” Nagi seemed pleased with that. Reo expected him to ask more, like why was he mad in the first place, but he supposed that was more like his own thing. He instead asked another question, “..will Reo go to other people after this?”

“Yes?” His answer came out more unsure than he’d planned. To be honest, Reo wouldn’t need another feeding in.. he didn’t feel like calculating at the moment, but it was going to be a while. “Mn.. you’ve ruined me for the rest, though.”

“Then why? Just go to me.” 

“I don’t feed on someone twice,” Reo said. Was it just him, or did Nagi sound desperate? But that couldn’t be. 

“Why?”

“Because..” he rummaged through his memory, “I don’t want to get attached? And it’s bothersome to erase their memory every time.”

“Reo should just get attached to me,” Nagi replied, no hesitation whatsoever. 

“I already am,” Reo said, because there was no way he could see Nagi as just a simple one-time prey. He belatedly realized what he just said. “Uhm.”

Reo’s tail curled in shame from where it was sprawled on the bed. Oh, god, he had really been fucked stupid. 

But Nagi’s eyes shone—there was really no other way Reo could describe it—and he regretted his words slightly less. “Really? So Reo will only use me?”

Reo had half a mind to tell him it wasn’t just using, but there can only be so much discussion regarding the nature of their relationship before Reo got scared. “Yes.”

“Good,” Nagi said, looking too pleased with himself. “Let’s cuddle now.”

Reo could feel his face heat up again. He had never cuddled with anyone before.

 

“I love the casual look today, Reo!”

“Cute!”

“Matching with Nagi today?”

Reo politely entertained and laughed at each passing student’s remark, but his laughter quickly died once they walked past. He tugged the hoodie’s sleeves over his hand for the nth time, irritated. “Ugh, remind me to buy you the full uniform. And don’t tell me it would be a waste. One day, you’ll really have to wear the whole thing!”

“I think Reo looks great,” Nagi said plainly, and he meant it. He never understood the appeal of seeing another person in your oversized clothes, but seeing Reo’s frame practically drowning in his white hoodie was more than enough to change his mind. It was too bad Reo called Ba-Ya to bring his proper uniform for later, along with his bag.

Reo looked at him in disbelief. He tugged at the loose sleeves for Nagi to see. “Nothing is in my size!”

Nagi didn’t see any problem.

Notes:

The art // I didnt imagine him with this outfit while writing I just felt like drawing it. Outfit doesn’t really matter

reo blushing at the thought of cuddling with Nagi as if he hadn’t just fucked his uterus oh my nagireolings

Can you tell I had a lot of fun with that summoning scene. And the talk. And everything else. Sooo the sex scene only takes up a small part of this fic. Sorry about that;( unless you somehow like reading the (very minimal, very trashy) plot of my fics more, in that case you’re welcome

Also, does Bachira call people their nicknames /all/ the time? I didn’t wanna have him say nagicchi rvery sentence because it felt repetitive (I also couldn’t forgo him sayinf his name, because it would be unclear which one he was talking to) but if he does then I’ll change it

The technicalities you may or may not care about

- Reo was summoned because he was the nearest demon and Nagi accidentally chose Reo’s favorite food: steak!
- Reo was summoned /for Nagi/ instead of Bachira or Isagi (despite them doing all the work) because Nagi was the one that chose and placed the offering, which is what matters the most in deciding who/what to summon
- Why didn’t Reo show up immediately? He did show up, but the salt barrier was disturbed so he didn’t have to stay within the circle. He waited until the three separated to see which one was the Main Guy he was summoned for. He was under the impression that they knew they summoned a succubus (and knew what comes after it) so he wanted to be alone. He got mad and jealous when it was Nagi lol
- Why did Reo go down on Nagi while he was still sleeping? Purely for the sake of somno, (not) sorry
- He’s a succubus instead of an incubus because I’m horny
- I actually did take the summoning process from online. The steps used lavender candles already and it described a purple light emitting, so I thought it was perfect

Comments are welcome I just love reading and replying to them mwa love u guys

Twitter: @qwqinqw

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