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You Can't Science Your Way to Dick Dr. Xeno

Summary:

Stanley and Xeno have known each other for the vast majority of their lives. So, when they finally start dating, you’d think they’d be even more on the same page than ever before. Unfortunately for Xeno, that doesn’t seem to be the case. It’s been months since they became a pair and yet the steamiest things have gotten between them was when Xeno’s hands got too sweaty while holding hands on a summer walk through the park. And Xeno was starting to get real fed up about that.
…Not so fed up he’d proposition Stanley himself though. Because honestly, Stanley should’ve made a move himself by now, what happened to knowing each other better than anyone else? But oh well, he’s an incredibly smart and elegant scientist. So surely he can figure out how to get his own partner to fuck him. It can’t be that hard, right?

Notes:

(See the end of the work for notes.)

Chapter 1: The Set Up

Chapter Text

Xeno was losing his patience, and he couldn’t be more embarrassed about it. He and Stanley have been in a relationship for quite a while. It's been a few months since they were finally able to communicate their feelings to one another and things between them have been progressing smoothly and peacefully. But also, unfortunately, quite slowly.

At first, Xeno greatly appreciated the patience Stanley had for him and the fact that unlike himself, this was the first… romantic entanglement Xeno had ever found himself in. But the chaste kisses, lingering yet innocent touches, and the way Stanley would halt any activities of a more sensual nature to cool off and give Xeno some space were really starting to grate on Xeno's last nerve. He's already grown comfortable with the newly elevated physicality of their relationship thus far and he felt he was ready to take things a step further. But despite all the effort he and Stanley have put into bettering their communication with one another... this was a pretty embarrassing topic for Xeno!

It was one thing to lack anywhere near the amount of experience Stanley had in this department, but he had practically no experience at all. Between his academic pursuits, his newfound position in NASA, and the ever looming presence of whatever scientific endeavor was holding his attention, Xeno’s never exactly had the time to fit much romance in his life. He barely understood how he would be expected to perform, and the thought of disappointing Stanley… well that just wouldn’t do.

The embarrassment and mortification he felt about the topic was too much for Xeno to bear at the moment, so he could work on honesty and vulnerability after they got over this stupid hurdle. For now, he had two main problems he needed to tackle before he could even dream of rolling around in the sheets with his dear knight. One, how to be good at sex, and two, how to make Stanley initiate it. He always did like things better when Stanley was chasing him. So like the elegant scientist he was, Xeno resolved to conduct some proper research to find the answers he needed. Which turned out to be a much harder task than he had assumed.

Finding time to privately study in his lab wasn’t difficult considering he typically spent all his free time there anyway, and usually those around knew not to bother him. But just as he was setting down with what he figured was a good selection of books, he was bothered. “Dr. Xeno! You’re in here right? Where are you?” an aggravatingly loud voice called. Luna Wright. Drat, one of the little interns just had to come around to bother him right now. He would’ve thought them graduating college and getting lives of their own would put more distance between them, not less.

With a groan, Xeno called back, knowing this particular brat wouldn’t leave until she got whatever it was she wanted. “What exactly do you need from me? Senku is busy elsewhere, so I suggest you go look for him.”

“I’m here because Senku sent me actually! There’s this book on microbiology he said he wanted to borrow. So, he asked his most capable friend, me, to come collect it for him,” Luna explained with a very self satisfied grin as she moved to sit next to Xeno. An over exaggeration if he's ever heard one.

“Luna, you have access to my entire library, why don’t you look for it yourself?”

“Why bother? No offense sir, but the only people who can make any sense of your organization system are Stanley and Senku. I mean, it gets so messy in there I can’t understand how you expect me to clean-! Hey wait, what’s this?” She paused mid sentence as she started looking through the stacks of books surrounding Xeno on the desk. “Human biology? Dating advice? Dr. Xeno what the… wait a minute.”

At that point Xeno had turned his face away in embarrassment as his cheeks began to burn. That was all the confirmation Luna needed before she burst out laughing. “If I help you find that damn book would you kindly exit my lab?” Xeno said through grit teeth.

“Absolutely not! This is way more interesting. So tell me doctor, what’s the topic of your research this time? What is it exactly that you’re trying to achieve here?” she asked with a teasing lilt in her voice. Xeno stared back at her with a frown but, after weighing his options out, he sighed and relented. Professionalism didn’t matter much when it came to these kids anyways.

“I… god I feel like such a loser over this I can’t even talk about it!” he groaned, throwing his forehead onto the desk. That got another laugh out of Luna. But, being the benevolent gal she was, she decided to take pity on him for the moment.

“Okay, okay. It’s not your fault you’re such a busy prude. But really? You're trying to find a book to teach you how to seduce your own boyfriend? I feel like there’re better ways to go about this," she replied as she lightly patted his back.

“Well what else am I supposed to do?”

“How should I know? He’s your scary boyfriend not mine. But instead of reading ‘How to date for dummies’ you should be using that big brain of yours to figure out what the Commander would like.” Xeno looked up, eyes shining. Yes, something that he knows!

“Oh! One step ahead then. See that’s why I’m reading ‘How to safely prepare for anal intercourse! Because you see every time we makeout he ends up on top of me and-!”

“Stop, nuh uh. This is your sex life, not some kind of science experiment,” she shushed him with a raised hand. He blushed again as he did in fact forget he wasn’t working on a real experiment over the course of his "research".

“My bad, I suppose,” he said with an embarrassed sigh.

“Honestly, you really are something else doc. But back on topic, you might have all the technical stuff down, but dating advice books aren’t going to help you with anything. With how clueless you are, you'd probably be better off reading a romance book.” For a moment, Luna thought about glass houses and all that. But the comment gave her a brief, and very entertaining idea.

And that idea was how Xeno found himself in Luna’s office with some of the other girls pooling over the widest, and strangest, array of romance novels he’d ever seen. The moment Luna brought him back and explained the situation with Kohaku and Ruri, she enlisted their help to wildly ransack her collection. Xeno always knew that she had quite the affinity for tales of romance and love, but he never knew just how deep that ran. Especially at work.

At first the sisters presented him with some of their favorite fairy tales, light hearted romances that could tug at the heartstrings. But once Luna made his intentions with the books clear, and sat through another awfully awkward chat with the pair, the more secretive collection was brought out. As he sifted deeper and deeper through the books, he exclaimed, “Goodness! I didn't know women could bend like that. Will he expect me to do that?"

“I don’t know, the Commander seems like he’s been around quite a few times, so it’s anyone’s guess what he might be into,” Luna giggled as she skimmed through one of the spicier books in her hoard.

“Luna don’t scare him like that,” Ruri chastised when she saw Xeno’s face go slightly pale.

“Well yeah, Stanley would obviously be nice enough to make sure your first time isn’t too hardcore or whatever. But I think it’d be good to be, ya know, mentally prepared and everything for whatever happens down the road. Who knows you might even find something you like too!” Kohaku laughed, flipping through Luna’s books as well.

“Okay that’s enough out of you two. I don’t think you have the right to lecture him until you put all of this into practice yourselves,” Ruri said, pinching Kohaku’s nose. “Look, Dr. Xeno, you really shouldn't fret over this too much. Sex in a relationship feels best when both of you are relaxed, honest and on the same page. Constantly stressing about your performance will ruin the experience for both of you." As always, it was of course up to Ruri to be the voice of reason.

“Speaking from experience I assume? Chrome must be a real attentive husband to have you spouting sap like that,” Luna said with a suggestive, if slightly jealous, lilt to her voice.

Ruri's face went beet red but her ever-present soft smile never wavered as she immediately stood up, "Oh my, I think I hear Senku calling for me. I'll see you two later, good luck Dr. Xeno!" With that she rushed out of the room, leaving Xeno, Luna, and Kohaku to continue going through the pile of books on their own.

“Great, now that it’s just us, let’s get to the real work,” Luna said with a smirk as she leaned into Xeno’s personal space.

“What exactly do you have planned?” he asked, skepticism laced in his voice.

“Well, now that you’ve got a good idea about all the kinds of shit you can get up to when you have sex, it’s time to learn how to get there in the first place. You came here to find out how to romance our dear Commander, didn’t you?” As embarrassed as he felt about the situation, she was absolutely right. He could learn all there is to know about sex, kinks, fetishes, positions, and everything else under the sun. But none of that would matter unless he could get Stanley to want him in the first place. Which he has found to be a trial in and of itself. So he nods in confirmation to her.

Luna’s eyes glittered as she threw down a paper on the table and began writing a list. Kohaku whistled in approval as Luna wrote. “This is going to be your lifeline in these trying times, doctor! Everything listed here are some of the best, most sexually charged scenarios that I can think of, that will absolutely lead to a happy little visit to Pound Town!”

“Even I can tell that is the cringiest way you could’ve phrased that,” Xeno deadpanned. But he still took the list regardless. Skimming it over, Xeno could feel his face burn hotter and hotter with each passing bullet point. “Do you really expect me to do all of this?”

“Well, maybe not all of it. But you gotta start somewhere ya know. And while it’s a bit annoying admitting she’s always right, Ruri’s always right. You gotta get relaxed and comfy to have sex, and the best way I can think to do that is to ease yourself into something fun beforehand with him. Agreed?”

“…Yes, I agree.”

“Great! Good luck Dr. Xeno.”

“If you're taking Luna’s advice doc? You’re gonna need it.”

***

Stanley felt like he was losing his mind and it was all because of Xeno. Because when has anything in his life ever not been about Xeno? He sighed as he lit up another cigarette, thinking back on the catalyst to all of his “misery”.

It all started on an oddly chilly night when Xeno had decided it was the perfect time to have a nice, warm bubble bath. That in itself wasn’t too damning. Xeno had always loved baths, fancy soaps, and personal time. Which made it quite a surprise when not long after he got into the tub, Stanley received a text summoning him to the bathroom. The text was brief and offered no clues as to what could possibly be wrong. But Stanley was certain that it had to be at least somewhat serious considering how particular Xeno was about his personal time. So when Stanley rushed to Xeno’s bathroom he was mostly expecting Xeno to be waiting impatiently outside the tub for Stanley to arrive. At worst stood with a frown in one of his big, fluffy bath robes, which would hopefully make him look more cute than sexy.

All that to say he absolutely was not expecting to run into a dimly candlelit, sauna-esque room with Xeno lounging casually in the massive bath. Xeno usually wasn’t one for opulence under most circumstances, but his personal bathtub was more reminiscent of a pool than anything else. The water was, thankfully for Stanley's heart, opaque. Covered in sudsy bubbles and colored with soaps, oils, and whatever other bath products Xeno had in his arsenal.

Hearing the door open, Xeno turned his head to the side and Stanley felt himself all but whimper at the look Xeno gave him. Xeno was rarely seen without his signature pompadour outside of getting ready to sleep or something like that, so seeing his hair down as it framed his big doe eyes with a slight pout on his lips had Stanley's gut stirring. “Xeno?” Stanley almost squeaked.

“Took you long enough,” Xeno said before turning back around. “And what the hell are you doing in the doorway? You’ll let all the warm air out.”

Taking a quick gulp, Stanley obediently closed the door and walked over, kneeling at the edge of the tub behind Xeno. “Okay, uh, what’s wrong Xe?” Xeno took one more glance back before huffing and fully turning away from Stanley.

“My shoulders, massage them.”

“…What?” Stanley felt paralyzed as he stared down Xeno’s dripping shoulders, the heat and moisture from water making his already clear and supple skin look even softer and rosier. “Xe, you’re in the bath right now.”

“Yes, I’m well aware of that? I’ve been feeling rather stressed lately and would appreciate it if you'd help out a bit with that,” Xeno grumbled. Stanley could almost swear he saw the red blush on the back of Xeno’s neck, ears, and shoulder grow a little as he spoke.

“Well, uh, if that’s what you want, okay,” Stanley replied, rolling his sleeves up. Massages on Xeno were a skill Stanley had a great deal of experience with. And while he’d never admit it for fear of how Xeno might react, it filled Stanley with an impure pride every time Xeno would express just how good Stanley's large hands felt on his shoulders. In this scenario however, with no clothes as a barrier, just Stanley's hands on Xeno’s bare, wet skin… Stanley could already feel the telltale stirring in his gut moving south. So when he got a few minutes into kneading Xeno’s tense shoulders and Xeno moaned, it took all of Stanley's willpower to not jump into the bath with him. “You good there Xe?”

“Ah… mhm yeah. Could you go a bit lower?” Xeno replied between more breathy moans, not caring to even try muffling them. Stanley bit down hard on the side of his cheek as he complied. And as he was driving his thumbs into Xeno’s back, he accidentally brushed over one of Xeno’s nipples. That got a loud gasp out of him, which made Stanley achingly curious as to what would happen if he really pinched at one of those buds. While desperately trying to purge those thoughts from his mind, he accidentally pressed a little too hard into a particularly sensitive spot on Xeno’s lower back. With this final loud whine Xeno let out, it all became too much for Stanley and he very quickly let go and withdrew his hands from the water. He hadn’t even realized his hands had traveled that low. “Stan?”

The way Xeno’s voice came out so airy and needy really didn’t help the growing problem south of Stanley's belt. “Sorry! I completely forgot that Brody wanted to go out to a new restaurant tonight so I gotta go get ready. I’ll see you tomorrow!” Stanley rambled as he shot up to his feet and ran out of the room. He didn’t stop running until he got to the guest room he usually occupied when he stayed over at Xeno’s place.

He slammed and locked the door as he caught his breath and replayed the entire scenario in his head. Every little noise that Xeno let out, the way his body shook and shivered under Stanley's touch, and how soft, welcoming, and warm his skin was. Which led him to thinking about how much more he wanted to touch Xeno, or how many other places on Xeno he wanted to explore. These thoughts swam round and round in Stanley's head, over and over as he stumbled his way to the private bathroom attached to this guest room so he could get a good look at the poor state he was left in.

And just as he knew, he was hard as a damn rock. Sighing, he knew there was no going out looking like this, nor was there going to be any cooling down after a scene like that. So he got ready to wash himself up, with cold this time. He spent the entire cold shower with his hand wrapped firmly around his already dripping, hard cock; head filled with endless thoughts of Xeno. Thoughts ranging from how good it feels to kiss his soft lips to how good he always smells, swam through Stanley's head the whole time.

Once he was finished and cleaned up, he sluggishly got dressed to go out. Even if he didn’t have plans to begin with, it wouldn’t do to completely lie to Xeno about anything. So off he was to see if Brody was even free for dinner.

***

Unfortunately, that wasn’t the last time Xeno seemed to have decided to push Stanley over the edge. Just a few days after the bath incident, Stanley woke up one morning after visiting Xeno to find the man in his bed. That usually wouldn’t be too big a deal however, if Xeno wasn’t completely curled up into Stanley's arms with nothing but boxers and one of Stanley's oversized shirts, that is. All of that paired with the way Xeno’s lips parted slightly as he slept nearly gave Stanley a damn heart attack.

Then shortly after that, he and Xeno were alone in Xeno’s lab while Xeno was flipping through some books at his chaotic desk. Stanley had come in with a plate of snacks to keep Xeno company and make sure he ate something. And he noticed that Xeno had a bit of powdered sugar smeared at the corner of his lip. For as prim and elegant as Xeno was, he could be rather absent minded and messy when he got really absorbed into his work. Often, when they ate together alone and such occasions would arise, Stanley would give Xeno a little peck to make him a bit flustered. His reactions were always quite cute.

But this time, when he leaned in for a quick kiss, Xeno suddenly turned his head and the kiss landed square on his lips. Stanley instinctively pulled back, knowing how easily embarrassed Xeno could get. But just as Stanley was gearing up an apology, Xeno was much closer than he was before. Stanley couldn’t move, too entranced by Xeno’s intimidating yet alluring aura as he kept getting closer and closer. Until their lips met again, but this time longer, with a much more forceful press. Feeling too lost in the moment, Stanley pushed back, deepening their kiss. When one of Xeno’s hands gripped the top of Stanley's shirt as he moved impossibly closer, Stanley found one of his hands cradling Xeno’s cheek, enjoying the way his hand seemed big enough to wrap around almost the entirety of Xeno’s neck. His other hand snaked around the small of Xeno’s back, pulling the two of them closer once more until Xeno was pulled onto Stanley's lap entirely.

They went on like this for longer than Stanley could remember, the open mouthed kisses growing hotter and the grinding growing faster. Before Stanley even realized it, Xeno’s mouth was attached to his neck leaving sickly sweet kisses and his own hands had found their way underneath Xeno’s shirt. Stanley was completely lost in the moment until he heard Xeno moan out his name, “Stanley,” in the sweetest voice Stanley has ever heard. The sound went straight to his dick and snapped him back to reality where he promptly withdrew his hands from Xeno’s bare skin to pick him up off of his lap and place him safely on the desk in front of them and away from the growing erection in Stanley's pants.

“I’m sorry, I’m distracting you aren’t I? I’ll get out of your hair then, sorry!”

And with that he ran away again. And then again. And again and again, Stanley would find himself in compromising situations with Xeno that tested his patience worse than he thought possible. So now, instead of hanging out with Xeno for the night, he was smoking away his woes to Maya, Brody, and Charlotte as they went over the logistics of the soldiers’ next deployment.

Stanley had gone on and on about how ashamed he felt about ending up in all those sexual situations with Xeno. Brody and Charlotte, who were in the middle of discussing some tactical bullshit Stanley couldn’t even pretend to care about at the moment, were only half listening while Maya, who was sitting next to Stanley, was doing her best to hold in her giggles till he was done.

“Xeno’s just trying to get closer to me and I’m acting like a hormonal teenager. He probably thinks I’m acting like some shitty horny bastard like I did in high school! I worked so hard to make sure he always knows I’m in this to be with him and I probably ruined it,” Stanley lamented. At that, Maya couldn’t help the howl of laughter from escaping. “What the fuck are you laughing at?”

“Okay, Stanley… this is just getting sad,” Brody sighed as Charlotte sorted away the papers they were looking over. She should’ve known they weren’t going to get anywhere with Stanley in such a state.

“Well then doc, what exactly do you think I should do?”

“Think. I think you should start thinking.”

“What?”

“Stanley,” Charlotte started as gently as she could muster despite the exasperation she felt, “in every single situation you just mentioned, didn’t Xeno initiate everything?” Stanley went quiet at that, cigarette hanging limply between his lips.

“Stanley, he was the one who asked you to come and touch him in the bath, he was the one who snuggled up half naked in your bed, he was the one that started making out with you in his fucking lab. He’s the one sarting everything,” Brody explained. Really, what the hell happened to professionalism? To decorum?

Stanley sat stunned for a moment, digesting the very obvious revelation as he thought back on all those encounters he’d been agonizing over. “What does that mean exactly?” he wondered aloud.

That put Maya over the edge and she nearly fell off her chair with how hard she laughed. “It means he’s tryna’ fuck, you idiot!” she cackled. “God those are some of the most blaringly obvious signals I’ve ever heard of and you still missed them! How thick can you be?” Stan was starting to realize, when it came to Xeno, he could be incredibly thick despite the literal lifetime he’s spent with the man.

At that point Charlotte and Brody were also failing at hiding their own giggles as everything fully set in for Stanley. Xeno was initiating intimate contact with him. Xeno was initiating anything with him! And he had not only been ignoring Xeno, but rejecting him! At that moment Stanley sprung to his feet, feeling an overwhelming need to go see Xeno. Without another word he snuffed out his cigarette and stormed out of the room. Before anyone in the room could say a thing, he was gone. Which was probably for the best considering the raucous laughter that followed his exit.

Stanley sped the entire way back to Xeno’s home, with one thought in his mind, I’m such a fucking idiot! Which was a thought that grew exponentially louder when he threw open the doors of the house and cringed at the booming noise that followed. However he didn’t spend long on that thought when he realized that the place was eerily empty. Despite the doctor’s preference for being alone, it wasn’t unusual for the man’s protege and his little friends to be over bugging him about this or that around this time of day. There didn’t even seem to be signs of Luna, the two assistants, or any of the other junior science brigade running around.

Before Stanley could ruminate on that fact too much however, he heard a creaking on the grand stairway, where he saw a bewildered looking Xeno in one of his old, silkier, and shorter, bathrobes. His skin looked soft, and rosier than usual. “Stan? Aren’t you supposed to be with Brody and the others right now?”

All thoughts of anything else vanished once Stanley's eyes fell upon Xeno. “Xe!” Stanley yelled, running up the stairs to him. Xeno was startled for a moment as Stanley's hands clamped down on his shoulders.

“Wha- what is it?”

Stanley opened his mouth to say something but closed it as he looked around again. “Xe, where is everybody? And… why do you smell like roses?” Stanley asked as he got a good whiff of the soap still fresh on Xeno’s skin. He had to bite back the knowing grin as he saw the way a bright blush began to spread over his cheeks and ears.

“Uh well, I thought it’d be nice to give them a weekend off, and Luna’s been going on about a new plan to get Senku to take her on a date… And if you really must know I just got out of the bath when you so rudely barged in!”

“Xeno.” The seriousness with which Stanley said his name caught his attention. “Do you want to have sex with me?” That nearly knocked Xeno out. But Stanley was already over the whole getting flustered and shy routine as his hands moved to cup Xeno’s cheeks, forcing him to look forward into Stanley's burning gold eyes. “I need an answer Xe.”

Faced with Stanley's intense gaze, all Xeno could manage was a muffled yes. Before he could even finish the word his mouth was captured by Stanley's.

Chapter 2: The Follow Through

Chapter Text

Right off the bat the kiss was deep and searing, making Xeno feel weak in the knees. And proving his attentiveness to even the slightest changes in his precious damsel, before Xeno himself could steady himself, solid arms were wrapped around his waist and pulling him up off the ground. Xeno yelped at the sudden change and instinctively throwing his legs around Stanley, the hold he had around Stanley's shoulders tightening. Still, he was given no time to think as Stanley's lips were right back on his own, and he was so lost in the feeling he barely even noticed that they were now moving. Xeno was so numb to his surroundings he wasn’t aware they had reached his bedroom till he was being tossed onto the spacious mattress on his bed.

He was still barely registering what was happening when Stanley began kissing down his neck, slightly pushing aside the top of his robe. “Stan!” he whined after a particularly rough bite. He squeezed Stanley's shoulders, a pensive look in his eye.

“Anything wrong Xe?” Stanley asked, his lips sliding up to kiss and nip at Xeno’s jaw. Suddenly feeling quite awkward Xeno just mumbled and turned away, his rosy cheeks feeling rather inflamed. There was a soft smile on Stanley's face as he peppered Xeno with even softer and sweeter kisses, coaxing him to turn back. And he did, but not looking any less uneasy.

“I don’t think you’ve ever seen me fully and that makes me nervous. I doubt you've even seen me shirtless since hich school. There, happy?” Xeno grumbled. There were a few responses he’d anticipated but Stanley ripping off his shirt and throwing it haphazardly across the room wasn’t top of the list. “Stan!”

“You don’t need to worry about something so silly, Xe. You can look at me first all you want. Here, you can even touch,” Stanley replied as he found one of Xeno’s hands and brought it up to his chest. As anxious as Xeno still felt, he had to admit it felt very nice to grope at Stanley's wide, muscular chest. So good he even started exploring further. Running his other hand up Stanley's bulky arm, pinching at the solid muscle of Stanley's sides and brawny stomach until he felt one of his fingers graze over the top of Stanley's pants. He instinctively pulled his hand back but kept it hovering over the area, curiosity piqued. Before he could decide to pull at it, Stanley’s nose was nuzzling the crook of his neck and he could feel a hand pressed on his waist, slowly massaging the area.

“Ah, Stan…” Xeno gently moaned.

“I’m gonna make this a real special night for you Xe, all you need to do is focus on what feels good to you. Can you do that?”

“Mmh! Yeah, yes, okay,” Xeno replied as Stanley's kisses grew more fervent, the hand on his waist traveled down to cup his ass.

“So you want me to touch you too?” Stanley murmured, back to pushing the robe further off Xeno’s shoulders. Xeno nodded enthusiastically, feeling breathless. Stanley smirked as the gentle messaging grip on Xeno’s ass turned rougher, almost bruising, his other hand moving down to grab at Xeno’s thigh. “Then you wanna see some other parts too?” Xeno's eyes followed the movement of Stanley's hand from his own thigh to the top of his jeans. Xeno knew his curiosity was starting to really get to him, cause why else would he be so deaperate to see those jeans burn?

“Absolutely,” Xeno declared, eyes laser focused on Stanely's crotch. Stanley could only huff out a bemused laugh at the intensity of Xeno's gaze as he undid the button and pulled down the zipper. To Xeno, the pace was agonizingly, but the pay off when even the boxers eventually came off made it feel quite worth the wait. In the back of his mind he always knew that Stanley had to have rather well endowed, he wasn’t naive enough to not notice a boner when he felt one. But seeing it hanging there, hard and weeping, in his bed, bathed in the setting sun's dim, romantic light was something else entirely. It’d make him self-conscious if it didn’t make him so aroused. And before he could even really think about it he had grabbed it, noting how nice he thought the groan Stanley let out was. He was taking several mental observations on its dimensions, size, weight… there was so much to note! Stanley could only sigh as that analytical glint sparked in Xeno's eyes.

Stanley felt like he was on another planet. He’s always known Xeno to be impulsive, the type to think well after he decides to do something when his curiosity was piqued, but even he was rendered speechless. Especially as Xeno’s hand, still soft and slightly moist from his bath earlier, began to move. Each tug was slow and languid, almost as if Xeno was relishing in the feeling of undoing Stanley's bravado. Rendering Stanley a moaning heap on top of him. “Xe,” Stanley whined. “Don’t you wanna try something more fun?” he asked as he gave Xeno’s ass another squeeze. Xeno squeaked and finally let go, allowing Stanley a chance to gain some composure.

“Hey!”

“Sorry sorry but, stuff like that can wait, don’t you think? Like I said, tonight’s gonna be all about you,” Stanley whispered in Xeno’s ear as he slowly pulled the tie that was still loosely holding the robe together. Xeno grew impossibly redder as the knot was undone, leaving him completely exposed, his hands shooting up to cover his face. “Now none of that, how do you expect me to see your cute face while I fuck your brains out?” Stanley cooed, moving Xeno’s hands to leave a kiss at the corner of his mouth. Xeno let out a low whine but didn’t resist. Honestly, it wasn't fair that even stupid cringe lines like that sounded alluring with Stanley's charming drawl. But it felt like Xeno was still tense about something. It only took a moment for Stanley to realize why.

With both hands kneading the skin of Xeno’s bare ass, Stanley brushed against something, and when he did Xeno let loose another breathy moan. “Hngh, ah, wait Stan-!” Before he could finish Stanley had already lifted him up by his bottom to get a better look, throwing Xeno’s legs up in the air and over his shoulders. And there between his cheeks laid what Stanley registered immediately as a plug.

“Xeno~, what’s this?” Stanley, deciding teasing was the most fun option as he pressed down a little on the base, reveling in the loud squeal Xeno let out. “C’mon, use your words now.”

“Ahh, mhmmm, you… hmm... you know damn well what that is!”

“Does that mean you were getting ready just for me, huh? Getting prepared just have me stuff you back up?” Stanley said with a smirk as he pressed down harder. “Is that why you were in the bath this early? You weren’t planning this the whole time now were you?”

“Stan!” Xeno cried with a gasp

“Oh, so you can speak. Now where'd a nerdy guy like you even get something like this?” Stanley asked, half expecting Xeno to just yell at him again. But instead Xeno sighed and actually answered.

“I, mm! I asked L-Luna for help and she had Maya t-take us to some sex shop. Ah! Hey!” Quite a few thoughts ran through Stanley's head at that confession.

First was regret that Xeno’s first experience at a shop like that wasn’t with himself. Second was sadness at the idea that Xeno didn’t feel comfortable confiding in him with this matter. And then, he felt irritated. He could practically feel Maya’s boisterous laughter reverberate in his ears, her exact words playing back, “It means he’s tryna’ fuck, you idiot!” Without really thinking he leaned down and began leaving bites and hickeys all over the insides of his thighs before pulling back and yanking out the plug, seemingly unconcerned with the wail from Xeno. “Fuck, Stan!”

Still feeling rather disoriented from everything, Xeno couldn’t even think to resist when Stanley spun him over onto his stomach and unceremoniously yanked off the robe. “Alright, let’s not mention anyone else while we’re together. In fact, you're gonna be so blissed out you won't even be able to think about anyone but me. Sound good?” Stanley said right next to Xeno’s ear as he pushed Xeno’s head deeper into the pillows on the bed. Stanley let up his grip just enough to allow Xeno to nod his head.

Satisfied with the response, he left a few light reassuring kisses on Xeno’s cheek and shoulder and began a slow push in, mindful of how sensitive Xeno was probably feeling. He relished each gasp, shudder, and twitch of Xeno’s that followed every lethargic thrust. And when he noticed Xeno trying to muffle his moans with the fortress of pillows he’d buried his head in, Stanley let out a bemused chuckle. His hand, that wasn’t tightly holding up Xeno’s waist, moved up from its grip around the back of Xeno’s neck to bury itself in Xeno’s hair before tugging it back, hard. “Ahhh! Hey wai-!” Xeno gasped, still trying to keep his voice down.

“Now, now. What are you hiding your beautiful voice for Xe? You’re the one who made sure we were all alone here, right? Be as loud as you want, it's just us,” Stanley said between groans as he pulled Xeno up further.

“Stan…” Xeno groaned as his face was turned slightly to look back at Stanley. The look in Xeno’s eyes stirred a pit in Stanley that made him abruptly pull out and flip Xeno back over on his back before diving in for a searing, sloppy open mouthed kiss.

Xeno gasped at the sudden change but was getting better at adjusting and found himself easily wrapping his arms around Stanley's shoulders, deepening the kiss. Feeling too focused on the kiss and the feeling of tangling his fingers through Stanley's hair, he hardly noticed when Stanley was buried back inside until he began moving again. This time however, Stanley set a much faster and harder pace that had Xeno practically screaming. Paying no heed to the way his nails began brutally scratching over Stanley's back.

He was far past feeling sensitive, the overstimulating burn he could feel coiling with each powerful thrust ended with him cumming all over Stanley's stomach. Taking a moment to catch his breath and come back to his senses, he was met with Stanley's hand softly caressing his cheek as he softly whispered in his ear. Feeling calmer now, Xeno went bright red with embarrassment, a thousand thoughts racing through his head and trying to get out of his mouth as he realized he came all over Stanley.

“Hey, c’mon there’s no need to fret. Messes happen, that’s the point,” Stanley gently soothed. “That just means you liked it, right?”

“I… yeah… but Stan you-,” Xeno started, squirming a bit as he could still feel Stanley was stiff as ever. The reminder that they were still intertwined brought a crooked smile to Stanley's face.

“Oh well then. What do you say to keepin’ at it till we’re both totally satisfied. Sound good?” And all Xeno could do was nod and pull Stanley back down for another kiss.

***

Hours later, when the sun was getting ready to rise for the day, Stanley awoke from a quick cat nap after their last round. They had gone on for longer than Stanley had expected; despite his general lack of stamina or strength, Xeno turned out to be a more voracious partner than Stanley initially thought, which was quite the interesting turn of events. He woke up butt naked, tired yet refreshed, and with a fully knocked out Xeno softly snoring on his chest. Chuckling, Stanley sat up, bringing Xeno up with him as he set out to the bathroom for a bit of clean up.

Ever the heavy sleeper, Xeno barely stirred as Stanley brought them down for a warm soak in the bathtub, or when he began scrubbing away the sweat and grime from Xeno’s body. He wrapped Xeno up in a big, fluffy towel to wait on the bed while he finished washing up himself, gleefully mindful of the bites and scratches that littered both their bodies. After getting out and drying both of them off completely, he decided it’d probably be best not to run the risk of someone dropping by early in the morning or Xeno waking up while he was still completely naked. Grabbing his boxers from off the floor, Stanley went on a hunt for a pair of Xeno’s. Regardless of what the pair may do with each other, Xeno always has, and probably always will be, quite shy.

As Stanley sifted through Xeno’s draws however, an odd paper fell out. Stanley had no real intention of snooping but the word “seduce” caught his eye and he couldn’t help himself. Which is how he found himself gobsmacked as he read through almost every single seduction tactic Xeno had been springing on him for the past few weeks, all crossed out until he got down to 'give him a massage in nothing but a robe', instantly bringing him back to when he came crashing in to find Xeno, already in the damn robe.

As Stanley kept reading down on the list, the dumber and more conflicted he felt. On one hand, he’s touched that Xeno was willing to try so many new and embarrassing things in an attempt to entice him. But he was also feeling remorse at the idea that Xeno might refuse to do anything else on the list now that he’s gotten what he wanted; as well as embarrassment and shame for missing the opportunities Xeno had already given him. And then there was the confused, borderline jealous feeling he got as he wondered where Xeno even got all of those ideas.

But as he turned back and caught Xeno snuggling himself deeper into the towel, Stanley couldn’t find it in himself to feel anything but love and admiration. As he walked over to dress Xeno in an old shirt and pair of boxers, he thought that regardless of what this list was about, they’d have all the time in the world to talk about it. And as he laid Xeno and himself down on the guest bed in Stanley's room since he couldn’t be bothered to change the sullied sheets in Xeno’s room, he reminded himself they also have all the time in the world to do everything on that list and more.

Notes:

Fun fact, this was originally a scene I wrote for some ocs a few years ago. I've been in the middle of a really bad Dr. Stone hyperfixation though and decided instead of studying or sleeping, I'd waste a day rewriting it to be a stanxeno fic instead. This is technically the first fanfiction I've ever written, and definitely the first piece of smut I've ever written so sorry if it's ass lol. When I originally wrote this, the preamble stuff and the actual explicit bits were separated because some of my friends didn't want to read the latter half, so I decided to do the same here. Hope someone enjoys reading this as much as I did writing it lol (also, since this wasn't originally written with Dr. Stone in mind, sorry for the weird setting and hodgepodge of characters, I didn't wanna bother changing the original too much)