I also didn't write this. I did (probably poorly) beta read it. But honestly it didn't need much, co-writer is excellent.

-HTTYD-

Anxiously Astrid glanced at her watch for what felt like the umpteenth time and sighed. Was it really only ten in the morning? Was that possible? To her, it felt as if she had been sitting here in this lecture room for days now…

With an annoyed shake of her head, she again focused on the teacher at the front who was just about to explain optimal performance of graphic cards. Usually, Astrid enjoyed her lectures in computer science, but today it was somehow hard to concentrate. Almost like her mind was elsewhere. And it certainly didn't help that the mere mention of monitors and keyboards called forth memories of Hiccup grumbling to himself as he set up her computer, how he'd deftly put together parts and wires with those long fingers of his. How those fingers had ghosted over her skin, playfully, naturally…

Astrid bit her lip, hard, but it didn't help. Groaning, she dropped her head to the desk in front of her as more images whirled around inside her head. Memories of Eret lifting heavy boxes and carrying them up the stairs mixed with memories of him lifting and carrying her to bed. More and more pictures and impressions rose to her mind, of sensations, sights, sounds, and with a desperate low whimper she buried her face in her arms, her hair falling around her like a curtain and submerging her in once-soothing scents.

The familiar scent of Hiccup's ever present leather jacket and that of the twins favourite sandalwood shower gel… those scents had always made her feel safe and at home. But now, she remembered them mixing with the scent of sweat and sex, and that made the familiarity of the scent so much worse.

They were her brothers!

And yet, she couldn't help her thoughts drifting back to Hiccup's bed all morning, to the hours they'd spent together, entangled and free in a way Astrid hadn't known before. Because if sex could get better, more intense and more intimate, when one knew their partner… then was it really that surprising that the best sex she ever had was with the men she knew better than anyone else? Was it really wrong?

By noon, she was a mental wreck, caught between longing to go back and being horrified by what they'd done. When she met with Heather, Dagur, and a few other of their friends for lunch, she was shaking. Would they know what had happened, would they be somehow able to see it? What would they think, what would they do?

"Hey, are you okay?"

Astrid looked up and into Heather's concerned eyes.

"Yeah, I'm fine," she lied, hastily composing herself "just… just tired, I guess. I didn't get much sleep last night."

She added a laugh to her words, though it sounded a touch shaky to her.

"So, you're finally admitting where you've been?"

Dagur asked with his usual wide grin. Astrid grimaced slightly, but forced something like a smile onto her face as she turned toward him.

"Yeah, it's no use lying when everybody knows the truth anyway, right?"

"Very true," Dagur snickered. "I didn't understand why you tried pretending anyway. I mean, if your night with them was only half as good as mine…"

He trailed off, with a dopey grin and a shudder that said very nice memories. Pushing all feelings of guilt aside - those wouldn't do her any good now - Astrid relaxed. To those around her nothing scandalous had happened last night, so she'd better play along.

"Yeah, you're right. Gods, it was the best sex I ever had."

"I couldn't agree more."

Another voice came from a couple of seats down the table. It belonged to a young woman Astrid only knew by face and was one of Dagur's friends, if she remembered correctly. Wow, they really had gotten around.

"Too bad they don't tend to hook up with the same person more than once, eh? Or only with a long break, at least. Ah, what wouldn't I give for another night… They certainly ruined most other men for me. Especially since most other men don't respect you in the morning after a threesome."

Barely registering anything after "more than once", Astrid shook her head as if to clear it, looking at the girl in surprise.

"They don't do that?"

To her own ears, the question sounded a little pathetic, but all it earned her was a mildly pitying look.

"Not usually, no," Dagur explained "something about no strings, I think. And, well, it's not as if they lack available options, right?"

The conversation went on, but Astrid didn't feel like listening to more people expressing their hope to spend another night with Hiccup and Eret. Had last night been a one-off? It hadn't felt like that when they'd parted this morning, and it certainly wasn't possible to keep up this 'no strings'- thing, not for them. The strings were already thicker than anyone could ever know. And yet…

As if in a trance, Astrid reached for her phone, but paused when Heather nudged her arm.

"You really okay?" she asked, still honest concern in her voice "you look a little pale."

"Yes, I'm fine," Astrid muttered. She reached for her bag and pushed herself up on shaky legs. "I just… I need to ask my brother something. See you guys later."

"Hey, Ret?"

Hiccup held his phone over, so that Eret could take a look at the display hidden beneath the desk. Or, more precisely, at the short message he'd just gotten.

We need to talk!

Eret didn't so much as blink as he turned his eyes back up front.

"Nothing we didn't expect."

He muttered, low enough so that it wouldn't disturb their teacher's lecture about Viking folklore.

Hiccup grunted in agreement, then typed back an answer.

Sure. Where and when?

The answer came within only seconds.

Tonight. 7pm at your place. Will you be there?

A small smile tugged at Hiccup's lips.

For you? Always!

He put his phone back in his pocket when no further reply came, but couldn't help smiling at the small exchange. Whatever had changed between them last night, this hadn't. He and Eret would always be there for Astrid, whenever she needed them.

Astrid was nervous. It was stupid, she knew that, but she couldn't change it. She'd been there at her brothers' flat so many times by now; even with that longing she'd felt since she'd started uni, she'd still been here for meals, her laundry, even the occasional film night. But just like last night, she wasn't sure whether to use the key they'd given her or not.

How would they receive her? As their sister like they'd done for all their lives? As their lover like last night and this morning? Or as something weird in between, awkward and uncomfortable, because this one-night-stand had ruined their sibling-bond? Gods, she didn't even know what she wanted anymore.

Last night had been a revelation, an epiphany. She wanted more. But would she be able to live with herself, if more meant losing her brothers to her lovers?

Well, there was only one way to find out…

"I wonder what she's going to say."

With a wry smirk, Eret looked up from his course work, a very dull paper about something like "how to connect engineering processes and responsible innovations", over to where Hiccup was busy preparing dinner.

"What do you think she is gonna say?"

"How am I supposed to know that?"

Hiccup exclaimed. He was tense; Eret saw it in the tightness of his upper arms, and in how much vigour he was stirring his pot.

"For all her life, she's been kinda unpredictable, just does what's on her mind, and I don't-"

"For all her life," Eret interrupted him. "Astrid has been a self-confident and straight-forward girl. Yes, she always does what she wants, not caring for any rules. But in this case, that's good. And remember, she's not afraid to speak her mind. So calm down."

But his brother wouldn't calm down, and Eret let out a sigh. As he often did, Hiccup was overthinking things too much. But in this case, Eret at least knew where it was coming from.

"Look, H, I'm pretty sure we won't accidentally pressure Astrid into something she doesn't want. I don't think that's possible, even if we tried. She'll either be fine with it all or she won't - and there's nothing we can do about it anymore."

At that Hiccup paused, and threw him a pained look that Eret felt deep in his chest.

"And what if she's not fine with it? What if she just comes to tell us that we're freaks and that she never wants to have anything to do with either of us again?"

Eret gulped, but wouldn't let that thought sink in too deeply.

"That has always been a possibility," he muttered "all we can do is hope that she'll accept it. Or at least will be able to ignore it so that we can go back to just being her brothers. That she doesn't tell anyone, especially not mom and pops. But again, either way, there's nothing we can do but wait and see. Besides… I had the impression that she enjoyed herself, so I'd say our chances are good."

"I hope you're right," Hiccup sighed, then bent down to throw a glance at the steaks in the oven, because obviously Astrid coming over meant Hiccup went the extra mile for dinner "t's just that I would hate to… to lose her, I guess. I still feel like I went too fast and too far, and-"

"Oh, come on! Not that again. You didn't and it was her choice. In fact, if memory serves, she kissed you first. Now calm down, or I'll make you."

Hiccup threw him a dark glare, but Eret just wiggled his eyebrows and grinned. They both knew that hadn't been an entirely empty threat.

"Okay, I'll calm down," Hiccup grumbled almost petulantly "I need to season the dressing now anyway. But promise me that you won't just attack her the moment she comes in. At least give her a choice."

Eret nodded.

"Of course, I will."

And he meant it. Yes, they wanted Astrid; not just Hiccup but Eret too. He couldn't even say what exactly it was; it was more than just the thrill of what was forbidden, the closeness, there was something else entirely when it came to Astrid. But no matter how much they wanted her, it wasn't worth losing her, as Hiccup had called it. She was their sister, family, and always would be. And that had to come first.

For a few minutes they both worked on in companionable silence, until the sound of a key opening the front door was audible. The brothers looked up and exchanged a quick glance. There was no doubt about who it would be; there was only one other person who had a key to their place, and it was almost seven anyway. As so often, they didn't need words to communicate; Hiccup's small nod from where he was rinsing a pan was enough for Eret to go ahead and greet their sister. And enough of a reminder.

"Ah, there you are."

He greeted Astrid as he spotted her in their small entry room, dressed in what looked like functional workout gear and with her sports bag lying on the ground next to her. Was she just coming from the gym? He didn't think she looked sweaty. She flinched slightly, and he made an extra effort to meet her gaze with nothing but an honest and open smile. Hiccup was right, they couldn't put any pressure on her. Not in this.

"Hey."

She greeted him with a smile, but Eret could see that it didn't reach her eyes, that she wasn't entirely relaxed by the set of her shoulders too. Sure, he couldn't read her as well as he could read Hiccup, but he still knew her well enough. For her, all this had to be so new. A choice, Hiccup had said. Yes, it was her choice, but they also wanted her to know that, for them, not that much had changed. That they had made their choice a long time ago, in quiet whispers and stolen glances.

He waited until she'd taken off her shoes, then hugged her, just like he always did. It was a precarious walk along the edge, he figured, reassuring her but not pressuring her. But Eret also figured that he managed quite well with her noticeably relaxing. Taking a step further, he tilted his head. He wanted to kiss her, to taste her soft mouth, but the choice had to be hers. So he settled for a kiss on her cheek, not quite where he wanted but also not quite decent either. He wouldn't have gone that close to her lips in front of their parents, anyway.

It surprised her, that much was clear, and for an endlessly tense moment Eret feared he might have gone to far after all. But then she tilted her head, and a wave of pure relief washed through him as her lips met his own. He couldn't fight the wide grin that was spreading across his face, nor could he keep his hands from gliding down and lightly curling around her small waist. Astrid had made her choice, her own grin pressing to his and for a beat their kiss was little more than smushed-together-smiles.

And then he let himself melt into the kiss, soft and sweet as she stretched to kiss him more deeply, and Eret hadn't known how worried he'd really been before the weight fell off of him to be replaced with her hands on his shoulders.

"Now that's a sight I can get used to."

Hiccup's voice suddenly came from behind him, and Eret had to suppress a chuckle at just how aroused his brother sounded. But then, he couldn't really blame him, already missing her soft lips when they parted. And the relief over Hiccup's former worries certainly made his brother feel lighter too.

"Is that so?"

Astrid quipped in a terribly alluring tone. Oh, they could have so much fun together...

Hiccup seemed beyond able to form words, just hummed and crossed the room to take Eret's place in front of Astrid. Only a second later, Hiccup had their sister backed up against the wall, just like Eret knew his brother had been just dying to for ages. And he had to agree, watching them practically making out right there in front of him was a sight he happily would get used to. There was already that slight tingling in his lower belly, just from watching Astrid's hand clutching at Hiccup's hair as she pulled him even closer and from the way their hips met, searching, pushing, seeking.

Only with a visible effort did Astrid finally manage to push Hiccup away - not far, just enough to speak without it being muffled against his mouth.

"Okay, that answers at least one of my questions," she panted, flushed and grinning. "But seriously, boys. We need to talk!"

"So… what was that question of yours that already got answered?"

Eret asked some while later as they all sat around the boys' little dining table. Somehow, the last thing Astrid had planned for tonight had been eating, but of course she should have known better. With Hiccup, good food was always a high priority and the fact that he'd prepared a full meal, with steak, potatoes and salad, really shouldn't have surprised her. And it hadn't, not really. What surprised her far more, however, was how… how normal everything felt. Just like every other time she'd come over for dinner, comfortable, light and easy and familiar.

And it almost was the same - except for the heat that their kisses had elicited, the heat that was still simmering somewhere deep down in her belly.

"Oh, it was just something I heard today… that you two never hook up more than once with the same person. And, well, I was wondering…"

"Whether it was the same with you?"

Hiccup asked, one eyebrow raised, and Eret snorted.

"Well, yes," Astrid replied, self-consciously biting her lip "I was wor- wondering whether… last night had been a one off, or not. But, yeah, I think I got my answer to that question."

She still felt a little insecure, not quite sure how to act, but Hiccup's and Eret's good mood made it easier. If they weren't tense, she had no real reason to be, right? Her brothers snickered, and she contemplated punching them both on the arm for mocking her concerns.

"And what are your other questions?"

Astrid thought for a moment. She had so many questions. But there were a few at the very top of the list that were without a doubt the most pressing ones.

"What is all this is about?" she began "why me and what does it mean to you?"

Her brothers shared a quick glance before Eret shrugged.

"It's true that we tend not to sleep with the same person more than once."

"Because it's just sex, just fun," Hiccup chimed in "with no strings or further promises."

Her brothers shared another look and a nod, then Hiccup continued.

"With one night stands, it's simple. Just one night of hot fun, and then everyone goes their way again. It's easy. If you hook up more than once though?"

"Things tend to become complicated," Eret went on without a pause. "Friends with benefits are fine, but more often than not, one side eventually develops feelings too."

"Some people can have sex with the same person more than once without getting attached. But we decided that most of the time it's not worth the drama. After all this time, we really don't have room for jealousy."

Astrid nodded, nibbling her salad. That was what she'd thought anyway.

"But with you, it's different," Eret said. "Easier."

Astrid grimaced; she wasn't sure whether that was what she'd wanted to hear.

"So, is that all? I'm convenient?"

Again, Eret and Hiccup shared a look, and Astrid remembered how frustrating this could be. She knew that, as twins, her brothers were closer to each other than anyone else she knew, and that wasn't even about them having sex with each other. More often than not, it only took them a short glance to communicate with each other.

"No, that's not all," Eret replied "it's also that we've been attracted to you for years now. It's not just convenient, it's what we want."

"If it's what you want, too," Hiccup quickly added "but if you need another reason besides just 'doing what we want'… last night was amazing. And I don't just mean the sex alone, it was…"

"It was lighter and more unrestrained," Eret continued in Hiccup's stead. "With you, we didn't need to be careful about how we interacted all the time. I'm sorry if that sounds selfish or weird, but with you, we can fully let go too. No secrets or anything. It just…"

"...clicked." Hiccup finished his brother's sentence. "And as for 'what it means'...

"It doesn't mean anything, really. There's no danger of falling in love or some nonsense. This is not about romance. We already love you, as our sister, as a friend. You're family, and always will be. Nothing can ever change that."

Astrid nodded, slowly. She had an idea where their reasoning was going.

"But it can't turn into settling down, into a relationship, or, gods forgive, starting a family."

She guessed, and her brothers nodded.

"Exactly. It's been like this for Hiccup and me for years now. If one of us would met someone else and want to settle down, then that's fine. But until then…"

"...we just enjoy the simplicity."

"And we'd love to include you in that too. If you want to."

Astrid gazed from one of her brothers to the other, thinking. Only a couple of days ago, every wayward thought in this direction had horrified her. There was still a tiny part of her that was screaming right now. Wrong! Wrong! Wrong! THIS IS WRONG!

But Astrid wasn't listening. Last night had turned her world upside down, and now, with her brothers' explanation, all her fears and worried had evaporated.

"I think, I'd…" she mumbled, insecurely gazing at her fingers splayed over the table. But then she just thought 'Screw it!' "yes, I want to!"

She looked up, and even though they weren't identical twins, their faces stretched into the exact same grin, the mix of Valka's joyful smile and their fathers deep-seated happiness shining through.

"I want it, even though I shouldn't. We just need to figure out how to make it work."

Astrid assumed that it was only thanks to the table between them that she wasn't getting crushed in a double hug right now, but at her last words, both her brothers looked a little puzzled.

"Like it did before. None of this is exclusive, we can meet and hook up with whoever we want. And you can come over whenever, even though calling beforehand still would be a good idea. And as for…" Eret trailed off as Astrid began to laugh "wait, what did I say?"

She glance from one to the other, bewilderment on both their faces, and Astrid wasn't sure whether to laugh even harder or not.

"My dear big brothers, I think you underestimate just how big your reputation is. I'm supposed to come over? Just like that?"

Again, they shared a glance.

"Yes? Where's the problem?"

Oh, the level of their naivety was almost cute. Astrid took a deep breath and shook her head, thinking.

"My friends already know about last night; apparently it was obvious with me wearing a shirt that's known to be Hiccup's. that whole 'well-fucked' vibe... and Dagur even recognised your scent on me. Sex, leather and sandalwood on your shirt, I might as well have gone in bragging!"

Hiccup choked on his water, laughing, as Eret shrugged her comment off.

"So what? What does that matter?"

Astrid bit her lip as she tried to find the right words to explain her concerns. She'd had all afternoon to think about this, after all.

"It matters, because, given that you two don't get frisky with each other when others are around, I think we agree on one thing: Nobody can know!" She gestured between the three of them. "That I'm your sister, I mean. So far, nobody seemed to have noticed that we share a surname, but then the name Hunter is common enough, I guess, and we don't look the same."

Eret and Hiccup shared another look, but this time it was easy for Astrid to read it.

"We… didn't think about that," Hiccup eventually muttered, frowning "would it really be such a big deal?"

"Oh, yes, it would be," Astrid snorted "people know your weekly schedule, for fuck's sake. They know on which days you tend to go out and which you don't, when you have early lectures and when Eret can be met at the gym. And they also know that you don't do reoccuring hook ups. Right now, I'm just one among a long line of your bed mates. But what happens, if we meet more often, if people notice? And believe me, they would notice! Then there will be people looking closer, wondering what's so special about me. They will wonder about the name, might even find out that we also share a home address. They will ask questions."

"So… what are you saying?"

Hiccup asked. He looked worried, certainly not comfortable with what she'd told them just now. Honestly, didn't they know that they were kind of campus celebrities? Or at least, their dicks were. Gods, Astrid wanted to throttle them. If she hadn't had to hear about their wild sexual escapades, none of this would have happened.

But then, they'd still have been wanting it to happen, probably.

"That, if we really want this-" she gestured between the three of them. "-then we need to keep it hidden. Both that we're siblings and that we're still meeting. You can't just chat me up at a party, and I can't just come over whenever. We'd need to keep it a secret. What do you think this charade was for?"

She tugged at her functional sports shirt. Astrid couldn't just throw on a sports bra and go running anymore; her tattoo was too distinctive.

"Actually, I was wondering whether this was another flirting attire we completely missed the meaning of, like the pyjamas of before. The mystery mating outfits of a wild Astrid..."

Eret laughed at his own joke. Astrid snorted and rolled her eyes.

"No, that was to cover up where I was going. The people at my dorm are a curious folk. I mean, I'm sure they don't mean to be nosy when they ask you where you're heading when they meet you in the corridors. But given that I was a little nervous about coming here, I wasn't sure whether a muttered 'Nowhere…' wouldn't have drawn more attention that I'd have liked. But when I look as if I'm on my way to the gym or for a run to the shop, they usually spare me any questions."

"Well, that might make things more complicated," Hiccup muttered. His face furrowed in concentration, as if he was thinking something through, then gave a small nod. "But you've been here before too without people asking weird questions. So as long as you don't end up needing to borrow clothes or bring your own shampoo, nobody would know. I'm sure we can figure something out. You might have to lie and say you bought the same shower gel though, or stash something here of yours... unless that was you saying you don't want any of this after all?"

With a small sigh, Astrid looked up and directly in Hiccup's green eyes, pushing aside the thought of how similar they were to their mothers eyes. That wasn't a thought she needed right now.

"I do want this," she said softly. "I know I shouldn't but I do. I just wanted to make sure we all realise what that will mean, that I know where I stand."

And damn, why did that smile Hiccup gave her made her belly flutter?

"Okay, I think we see your point. But as H said, he will figure something out. But for now… How long do you have before your gym excuse doesn't work anymore?"

If Hiccup's smile had made her belly flutter, Eret's insinuating grin had it somersaulting.

"Uhm… an hour, maybe a little longer?"

"Hm, not much, but it'll have to be enough."

Eret's artificial pout was so cute, practically innocent.

"What are you up to now?"

Hiccup asked, even though surely he had to know. Even Astrid could guess where Eret's thoughts were going.

"Well, she's been worrying that last night had been a one-off. So I'd say it's our duty to reassure her that it wasn't."

Astrid wasn't sure how, but only a minute later she found herself back on her feet and sandwiched between her two brothers. Eret was in front of her, stealing the air from her lungs with a kiss far more passionate than the hesitant, exploring earlier. She could feel his strength in the way he held her tight with no space between them whatsoever, broad hands tender and greedy all at once.

Hiccup was behind her, his long fingers roaming up and down her sides, over Eret's hands, her hips and waist, sometimes as nothing but featherlight caresses and sometimes gripping her tightly as if he meant to never let her go again. His mouth was latched onto the neck and shoulders, licking, nibbling, sucking. It was a heady mixture of sensations, and she had difficulties deciding on which to focus. She wanted it all, wanted to fight for dominance against Eret's demanding lips and tongue, while at the same time wanting to push back against where she could feel Hiccup getting hard against her rear.

But before she got the chance to catch her breath and her mind, the slightly cheese opening theme of Pokemon blasted through the room, with a violent noise of vibration against wood.

"Oh, damn, what a timing."

Hiccup groaned. He pressed himself even closer against Astrid's back for a moment, as if to savour the memory of her warm body before he released her and grabbed his phone that was lying on a sideboard. He only threw a quick glance at the display, and groaned again.

"Yep, that's my professor. It's about the thesis for my term paper. I… I've got to…"

"Yeah, yeah. Just hurry."

Eret waved him off cheerfully. Astrid wanted to say something too, but in that moment, Eret hiked up her shirt and her sports bra in one go, and with his rough fingers pinching at her nipple only a needy little moan came out. Hiccup threw them - or probably mostly Eret - an exasperated glare, but then quickly slipped into an adjacent room and closed the door behind him. Astrid had thought that would give her a break from the sensory onslaught, but Eret continued to strip both her and himself while somehow having the hands free to touch and tease her.

"Sh-shouldn't we... Uh- w-wait?"

She gasped, head dropping back against Eret's shoulder as his deft fingers wandered down between her legs, finding her almost embarrassingly wet already. But her words only made him snicker.

"Oh, don't worry. He won't mind if we already get started. In fact…" he paused, barking out a louder laugh "oh, I know just what to do. Come over here."

Curious, she followed Eret over to one of the lush sofas that stood around a gigantic TV. It was their only frivolous thing, but the boys were friendly, entertainers and valued wind-down time. He sat down, and threw what only could be called an inviting look up at her. It wasn't too hard to imagine what he had in mind; he obviously was aroused and ready, judging by his cock standing proud and bobbing for attention as he leant back slightly so it wasn't resting against his stomach.

"Trust me, H loves a good show."

That Astrid had no doubts about, having heard enough about her brothers' encounters to know about Hiccup's slight voyeurism kink. Gasping out something like a laugh and a moan together, she made attempts to climb on Eret's lap to straddle him, but he stopped her with a lewd grin on his face.

"No, not like this. C'mere."

Eret reached for her hips and, gently but firmly, turned her around. Astrid got an idea of what he wanted and she followed his guiding hands, sinking down his shaft until she sat flush on his lap, his hot chest against her back and his even hotter cock buried deep inside her.

"Freya, you feel incredible."

He groaned against her hair, and Astrid could only agree.

"Uh, hu…"

Was the sound she made, unable to form words with just how full she felt. Gods, last night she'd already noticed her brothers couldn't exactly be called small, but like this he felt even bigger. She didn't resist as Eret guided her to lean back against him and repositioned her legs over his to open them wider. The position didn't give either of them much leverage, but it was more comfortable. Giggling slightly at the sheer craziness of the whole situation, she took a moment to adjust, humming happily as Eret took advantage of his free hands to play with her bare breasts. When he started moving, it was with slow and measured thrusts only, gliding in and out, teasing. It was as if he was deliberately trying to drive her crazy, and Astrid loved every moment of it as he lifted her with ease, lowered her again and the muscles in his arms flexed.

This was so different from all those times she'd hooked up with random guys or even with the occasional boyfriends she'd had. They'd always been in a hurry, eager to get in and get it done, even the ones who wanted to get her off in something of a rush about it. Who would have thought that it had taken her brothers to teach her how really good sex could feel? But that thought was nothing but a short flicker, washed away by Eret picking up a little more speed, bucking up harder. This was still so far away from the hard thrusts she'd learned he was capable of and had enjoyed immensely the night before, but Astrid certainly didn't mind as his cock kept dragging over her g-spot again and again. She tried to wriggle free, to move, wanting more. But Eret held her, chuckling at her desperate little whine.

"Nu-uh."

He murmured against her neck, and his breath on her skin made her shiver. Astrid wanted to complain, but a harder thrust made her moan instead - just as the door opened and Hiccup came back in.

"Okay, everything's solved, and- Oh, sweet fucking Thor!"

He cursed when he spotted them on the sofa, and Astrid was sure that Eret widening their legs a little further wasn't by chance at all. She was on full display, their joining clear for Hiccup to see.

"Watch."

Eret whispered into her ear, but that wouldn't have been necessary. She was already looking at Hiccup, watching his reaction with a mixture of nervousness and excitement. The way his eyes widened and glazed over, his sharp jaw visibly going slack... then there was a low thud! as his phone hit the floor, and his entire body somehow became shaky and active at the same time.

"You coming over here or what?"

Eret called, again pushing up into her and making her tremble. Gods, was all this real? It felt ridiculous and filthy… and yet completely right for them. This was about fun, and nothing else, and it was perfect.

Hiccup visibly swallowed, nodded, and slowly got closer. His eyes never left them, roamed over their faces - Eret's grin partially hidden in her hair and Astrid's wanton daze - to Eret's hands blatantly playing with her breasts, down to where he was buried so deep inside her. A part of her thought that she should feel uncomfortable, exposed. But with the clear awe on Hiccup's face as he licked his lips, she could feel none of that. Instead she felt desired, wanted, safe.

High on all the sensations Eret elicited in her, Astrid watched as Hiccup took off his shirt and admired his lean torso - certainly not as bulky as Eret's, but lean muscles were still well-defined under freckled skin. It was surreal, in a way. Astrid had seen both him and Eret topless many times already, when they went swimming or sometimes just when it was hot outside. But seeing him now, actively taking his shirt off for her felt so much different. He didn't give her the chance to form any coherent thought about that though, leaning down to her - his hands probably braced against Eret's shoulders judging by how they all shifted on the sofa - and kissed her.

Astrid wanted to return the kiss, she really did. But with Eret's constant little movements inside her, all she could do was mewl and moan against Hiccup's lips, her hands uselessly fluttering up to splay over his chest. Chuckling and with clear adoration in every action, every look, he slid down her body, hands gliding over her skin as he trailed a wet line down her neck, biting and suckling at her nipples where Eret cupped her breasts and held them up for him, until he knelt between their legs. His eyes were burning with desire as he caught her gaze, seeking reassurance and consent. Breathless, dizzy, Astrid nodded.

The night before Astrid had already learned - more than once - that all the rumours about Hiccup's talented tongue hadn't been exaggerated, not even a little bit. But this was still a new experience for her. With Eret's hands still groping her chest, his cock moving and twitching inside her as he bucked, and Hiccup's mouth sucking and licking her clit, Astrid felt torn in the most wonderful way. It was all too much, the sensations flooding her mind and body, and she didn't know on what to focus, which sensation to chase. It left her writhing, fighting for control that slipped further away with every touch. All she could do was search for an anchor with her flailing arms, finding one in Hiccup's hair and another on Eret's hips, clutching at them both.

"Fuck, this is so hot."

Eret groaned into her ear, and Astrid remembered. She remembered that they were Hiccup and Eret. She knew them, trusted them completely. With them, she didn't need to be in control, because they would take care of her, would keep her safe. Because they were her brothers.

With a desperate little laugh, Astrid gave in to the onslaught of sensations, let herself get overwhelmed by them, let them carry her instead of fighting against them. This was what they'd talked about before; there was no need to hold back, no secrets. With them, she could just let go. Because they clicked.

A wild scream tore itself from her throat as Astrid fell to pieces between her brothers, her mind blissfully empty of all worries and filled only with joy and wonder. Only marginally did she register her brothers' groans and gasps, both of them with hands supporting her twitching body through the waves of pleasure until she lay limp across Eret's chest. With wide, almost unseeing eyes she stared at the ceiling, aftershocks running through her body, and she couldn't fight off the thought that nothing in her life had ever felt so right.

Eret pulled out of her, and even though the sudden sense of emptiness was jarring, it also reminded her than neither of her brothers had come yet. She struggled to slip off Eret, to give them space for whatever they had in mind, but he made no attempts to let her go. Instead, he craned his neck to peer over her shoulder and past her breasts at Hiccup who was panting, but made no attempt whatsoever to get up. Astrid followed Eret's eyes just in time to see his cock, flushed and glistening with her arousal, being swallowed by Hiccup's eager mouth.

If Astrid ever would have had a list of things she didn't think would be arousing to her, watching one of her brothers giving head to the other probably would have had a very high spot on it. And yet, she couldn't tear her eyes off Hiccup as he bobbed his head, humming though as he enjoyed a rare treat. Which he was, she realised. With having to keep their hands - and mouths - off each other when they had company, this certainly was a first for Hiccup and Eret too, and Astrid thrived on that thought. On the knowledge that she was able to give them something back, to give them this freedom.

And the sight was arousing... almost painfully so to her still-tingling body, Hiccup's bobbing head brushing her clit and she shuddered with the knowledge he was oh so intimately close to them both. It didn't take long for Eret to come, writhing beneath her and cursing like a sailor, nor for Hiccup to eagerly swallow him down. And there was no point in denying that watching them like that - especially wedged between them as she was - was damn fucking hot!

As was the harsh kiss Hiccup pressed to her lips after he'd gotten back on his feet. She could taste herself on his lips, Eret on his tongue, and the mixture made her head spin wonderfully. In addition, his hot weight on her chest as he leaned up to kiss Eret too felt like a warm blanket of safety, one she didn't want to miss ever again. Hiccup reached down and freed himself with a groan, clearly relieved by the easing pressure on his heavy cock before he resumed kissing Eret over her shoulder, turning his head toward her for more kisses too.

Almost on reflex, she reached for Hiccup's cock, hot and pulsing against her stomach and steadily leaking precum. He hadn't come yet, and it was high time to change that. She drank in his panting grunts as she stroked him a few times just to tease, then shifted and guided him until he slipped inside her, giving him a reassuring smile as Eret moved slightly to support her weight, helpful as could be in helping his siblings get theirs.

Hiccup nodded, obviously initially concerned she'd not be able to take it until hestarted thrusting into her. Slowly at first, as though trying to savour her but his need was obvious and watching them had stirred the fire within her enough to want more. She'd take the little aches later, because gods she needed him now.

"Harder."

She gave in playing coy and begged. It made both her brothers chuckle but Hiccup complied happily, picking up his pace and force until she could feel another orgasm build inside her, felt Eret take the brunt of her body being fucked in his lap. He must have a wonderful view of Hiccup's face slack with pleasure, of the wet slide of his cock into needy sister.

"F-fuck, I-I'm c-close."

Hiccup groaned, shaking with the visible effort to hold back. Astrid wanted to reassure him that it was okay, but before she could utter a single sound, Eret's hand snaked between them, pinching and rubbing at her almost-too-sensitive clit. Astrid couldn't say who went first, but within only seconds they both climaxed, clutching at each other and swearing colourfully.

Astrid didn't remember how, but when she floated back down into awareness, they all three lay sidewise on the sofa, sweaty, sticky bodies nothing but an entangled mess. Presumably, Eret had tipped them over from his bottom position and being the strongest of them and all, but it didn't matter.

What mattered was how good it felt when they all broke out in helpless giggles at the same time, bodies shaking and hands searching and stroking. From the corner of her eye, Astrid saw Hiccup stretch and place a nuzzling kiss to Eret's jaw as she felt Eret's hand on her hip, right where her tattoo was too. Smiling, she turned her head and pressed her lips to Hiccup's chest, to the inked lines that connected them all.

How, on Midgard, could any of this be wrong?

-HTTYD-

I think we can all agree that my co-writer did a fabulous job on this chapter. I kept getting distracted from beta-ing because it was so good.