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Quarter of a Mark

Marruk once said that talking to me makes him uncomfortable because he can’t read me; humans don’t move their ears, don’t have tails, and don’t make the same kinds of noises the carain do.

“Marrowyn, aaaahhhh! Maaaarrooo—Ahhnfff! Hng!” I kick weakly, rubbing my legs against his fur as I try to get these stupid fucking pants off.

Marrowyn doesn’t have that problem.

I squirm and whimper as he gently bites down on my neck. I dig my fingers into his broad back, my needy whines urging him on as his warm, leathery paw-pads graze the surface of my skin and he drags his tongue across my neck.

This must be the Carain version of a ‘hickey’. He never bites hard enough to cause any discomfort or break the skin, but the way his teeth and tongue feel on my neck has me writhing with desperation.

“Ahhhhggggguuuuu Mmmaaarrrwwyy–ah!” I thrust into his paw as he rubs the front of my pants.

his tail swishes through the air, His grip tightens, and his whole body rumbles.

“F-fuuuck!” I try to thrust again, but he squeezes and presses me down.

Just as I think his teeth will start to hurt or break the skin he frees me. The sudden cold makes me shudder and leaves me hungry for more. Without thinking I reach up and tug on the thick patch of fur at the center of his chest, tangling it between my fingers.

Marrowyn slides one arm behind my neck and leans over me, covering me slightly with his soft, warm, belly. He strokes and rubs my skin with his other paw, smiling down on me.

My mind is blank, but I lean into his touch and tug on his fur again.

He raises his eyebrow and smirks. “You liked that, then?”

“Uh-huh,” I say with my eyes fixed on his large, soft chest. “A lot.”

Marrowyn leans down and we share another clumsy, awkward kiss. He’s a fast learner, though, and when I part my lips slightly he doesn’t hesitate to press his tongue inside. Everything about him is huge, his tongue fills my mouth and makes my eyes flutter. I love his taste.

It’s not the most technically skilled kiss, but his confidence smothers any discomfort.

“I think we’re getting good at that, Tucker!” Marrowyn pulls away and laughs, he uses a finger to break the string of spit between us.

“Huhhhyeah…” I say.

“Are you alright?” His thumb circles my cheek.

“Y-yeah, uh, just… Just been a while for me so I’m, uh, excited?” I reply.

Marrowyn blushes. “It, uhm, I haven’t… done this recently either, a-and I don’t think anyone has ever had,” He looks away and coughs. “ Sex with an alien before.”

When I lived with him he didn’t exactly have a lot of guests, it was just us unless Rhoun or Marruk brought dinner or Paytr came to talk. I don’t really know much about carain hookups, or like… do they do that on the station? I think Marruk said it’s okay as long as it doesn’t interfere with work.

But if what Paytr said about Marrowyn working overtime this last month is true then I doubt he had any such guests in my absence.

A cold nose presses to mine. “Are you in there, Tucker?” Marrowyn smirks down at me, his face is all squished together this close.

“Yeah, was just–”

“Thinking?” He presses his forehead to mine.

“Yeah…”

Marrowyn rolls away and sits up, his head nearly colliding with the ceiling. “What about?”

Before I can sit up on my own he grabs me and pulls me into his lap. Whatever I was about to say dies in my throat when I look up at him. Big man. Tremendous. Soft. Warm. I blink and collect myself.

“Oh, right, uh, sex.” I can’t meet his gaze.

Marrowyn reaches back and scratches his neck. “Hah, of course.”

“Do you want to? Uh, have sex, I mean.” That’s the most direct I’ve ever been about sex.

He swallows and takes a deep breath. “I–I would enjoy that. Yes.”

I feel him squeeze the back of my neck. I sit up. “Are you sure?”

Marrowyn sighs. “I’m nervous.”

I laugh. “Marrowyn, I’m nervous too. You were really, uhm, assertive , just a minute ago. Did I do something?”

“No! No, not at all. It’s just that’s different, I–We, were just touching, licking, and kissing and uhm, playing.”

Playing? “If you want we can just do that.” My cock rages in my pants, but I don’t want to push Marrow too far. “Uh, but, I’d like to do more .”

A distinct bulge presses against my rear. By the Heart, it’ll be like trying to fit a doorknob in my ass.

“More? What does that mean?” Marrowyn asks. “I have basic knowledge of your anatomy, and if I understand correctly, Paytr gave you a lecture on carain anatomy.”

“He did but I wasn’t paying much attention.” I lean into his chest. “I was distracted.”

“By what? Paytr is an excellent teacher, I find that he can make almost any topic sound exciting!”

I was distracted by the thoughts of you fucking me. Your belly resting on my back as you slowly, carefully, fill me, imagining I could actually take you. I was distracted by the thought of you growling and roaring as you claim me. “Stuff.”

“Well, can you tell me what you like? I-if you’re comfortable, of course. I don’t want to assume anything, by the Heart I was prepared to throw you across the room!” He laughs hard, my head bounces along with his chest.

“I like… uhm…” I mumble. Sucking balls, just say that, it should be easy.

He leans close and if he had a notepad I’m sure he’d be writing things down.

I feel like the teacher is calling on me. “Uhh, well… Void, this is hard.”

“You don’t have to say anything Tucker, uhm, I–I could go first. Would that be easier?” Marrowyn asks.

I get more turned on thinking about him telling me what he wants to do to me. I nod.

“You know I like touching you, and kissing you, and licking you, and playing… uhm, P– T-tucker.”

I nod. “Yeah?”

His face twists as he fights to say the next words, one moment it’s confidence and lust, the next it’s anxiety and embarrassment. I rest my head on his shoulder and dig my fingers into the warm, rough skin beneath his fur.

“T-Tuck–” He takes a deep breath. “You won’t laugh?”

“Never, Marrowyn.”

His body shudders as he exhales. “W-well,”

I kiss his neck.

“You’re–you’re a good, uhm, pup , Tucker.” He finally says.

Silence.

“Puppy, ah, er, Tucker?” Marrowyns wraps his arms around me and rubs my back.

“ Puppy ?” I look up at him.

His face drops. “I–I won’t say it again! I’m sorry, it’s just an, uhm, an affectionate nickname! I d-don’t mean that you’re acting like a pup, or aren’t mature, I just– It just means, I was just saying it to–”

“Is that all? That’s fine, Marrowyn. It’s cute.” As long as I don’t have to call him daddy.

He searches my face for any sign of deception. “Really?”

“Yeah, you can call me pup.” Maybe the carain are like, way more prudish? “What else do you like?”

“I… would also like… Ahah, Heart Preserve me…”

“What’s wrong?”

“N-nothing! I would just like if, perhaps we could…?” His paws slide downward and hover over my waistband. “Remove our clothes?”

“Y-yeah, that seems like a good place to start.” My heart jumps and I slide out of his lap.

We get off of the bed and I take in the carain before me. I put my hands on his belly and gently scratch him. Fuck, he’s so big. I want this. I want him, but what if I’m not good enough? Or ask him to do something weird or–

Marrowyn’s paw presses into my scalp. “You don’t have to if you don’t want to.”

“I just don’t want to like, disappoint you?” I mumble.

Marrowyn crouches and cups my face. “I worry about that too, pup.” He blushes when he says the last word. “I’m almost twice your size, I could hurt you even if I don’t mean to.”

“What? No, that’s not it. I mean like, what if I’m not good enough? Like, I can’t satisfy you.”

“I don’t understand.” Marrowyn tilts his head and I can’t help but coo when his ears flop. It’s not right that such a big man is so fucking adorable!

“Haha, I want it to feel good for you. I’m afraid it won’t.” I reply.

“You’re not afraid I’ll hurt you?”

“No? Marrowyn, come on, I trust you completely.” I kiss his nose.

His paws stop moving and his breathing grows more intense.

“You do?” An intensity enters his eyes.

“Uh, of course I do. I trust you more than anyone else on the station.”

A moment of stillness falls upon us and his paws are motionless on my skin.

“Marrow– Whoa!”

He picks me up by the underarms and holds me close to his face. “You’re a good pup.”

“I– What are you–”

Turning on his heel he places me back on the bed and lifts me by the legs.

The sudden change in mood is enough to give me whiplash and a very confused erection.

“OooookaAaaaAAAhhahaaa!”

He squeezes my crotch and growls, that lusty smirk on his face again. “You like this, pup?”

“Uhhuhhhyeesss.” I’ve quickly come to enjoy sexy confident Marrowyn, first the biting thing earlier, and now this?!

“Heart, Tucker, just look at you, I can’t believe you’re in my bed.” He says, but his seductive smirk falters against the button of my pants. “Damn thing…” He growls in my ear. “I think I– no, that’s… why isn’t it–”

“Marrowyn I can do it,” I say.

“No, no, puppy, I got it…Grrr, stupid!” After nearly a minute of frustrated grunts, he’s had enough, he sits upright and puts his paws on my legs and I feel the pinprick of his extended claws.

“Wait, what are you–”

“GRRRRR!” Marrowyn snarls, it’s a rough, grating, and a little frightening to hear. I open my mouth to calm him down when–

RRRRRRIIIIIIIIPPPP.

“MARROWYN SENNO!! WHA–WHAT?!” I gasp.

“Much better. Red underwear? ” The shredded remains of my pants and underwear hang lazily from his claws before he casually discards them. “Heh, silly pup.” He rustles my hair.

In shock, I move my hands to cover my exposed dick but Marrowyn grabs my wrist. “Wha–”

He doesn’t say anything. Instead, he begins to nip and nibble on my skin. He starts at my neck, licking and chewing. I moan when his hot breath washes over my bare chest and his rough tongue leaves a damp trail down my stomach.

“Bythefuckingvoid, M-Marrooooo–” The pitch of my voice rises higher and higher as he dips lower and lower until he rests his head on my inner thigh. “OOOAUUGGHHH!!”

He winks at me as his tongue drags from my balls along my shaft to the tip. It’s a slow, meandering pace, like how he works in his lab. I want to thrust, to struggle, and to feel more of him but a massive paw keeps me held down.

Another long, torturous lick and my whole body shudder and quakes, my legs stretch, and my heart pounds in my chest as the pressure builds, any second and I’ll–

His ear perks up and he stops. “So soon?”

“What?!” There’s no way he can tell I’m about to cum, right? Wait, of course, he can. Oh God, does that mean he heard me jacking off in the shower when we lived together?

“But we just started!” He moves between my legs and sets his head on my stomach.

I grab his ears and scratch his head. “Marrowyn, pleeeeeease .”

He smiles warmly, but there’s a look in his eye that I can only describe as lascivious. He stands and walks away from me, his tail wagging fiercely.

“What are you doing?!” I plead, desperate for the warmth of his tongue, his fur, his paw, his breath, for anything .

He bends down at his desk and I reach down to stroke myself at the sight of his ass.

“Bad pup!” He barks without looking over his shoulder.

I feel a pang of guilt. I’m not a bad pup! Uh, wow, I must be really horny. How could he tell I was stroking myself? Ugh, of all the Carain this is the one I want to sleep with, insufferable!

One look at his ass is all I need to remind myself it’s worth it, though.

“Ah, here!” He removes a familiar bag from his desk.

Oh. Right. Safe sex. Wait. Does he want me to top? My eyes widen and I get even harder. “M-Marrowyn?”

He reaches into the bag and withdraws a clear bottle with a misty liquid inside followed by a thin square package. “This? It’s, er, for sex. Protection and lubricant.”

“I know what a condom is,” I blush. “Do you want me to…?” My mind flashes to his ass.

He looks at me and then the condom. “It would be prudent but…”

“But?” I ask.

“They’re made with carain anatomy in mind, I don’t think they make them small enough for you.” He says, flipping the condom over in his paw.

Ouch. “Right…”

His tail stops wagging and his eyes threaten to burst from his head “BY THE HEART! Uh, I–I mean your size is, is, uh, I imagine for humans you’re prodigiously large! I think it’s the perfect size! Really! I’m sure it’ll be a perfect fit!”

I’m fairly average, but to a carain I probably do look small. Looking at the monstrous bulge in his pants, I might be a little jealous. Or I would if I didn’t get to play with it. Marrowyn continues to beg and plead, He’s sweet, I should put him out of his misery.

“In fact, I prefer your size! Yes! There’s no doubt in my mind that you’ll be the best lover I–”

“I know what you meant, Marrow.” I force a smile, it still doesn’t feel great to have a guy you like say your dick is small, even if he didn’t mean it. I’ll get him back for that.

Marrowyn deflates. “I’m sorry, Tucker.”

“Mmmm, I guess you’ll have to make it up to me.” I wink.

His tail thumps against his leg. “Is that so, pup?”

“Mhm.” I lay back and grab my dick. “But you’ll need to get those pants off.”

Any opportunity I might have had to get a show out of it passes; With a single motion, his pants and boxers are on the floor and he’s plodding over to me. He crawls on the bed, careful not to hit his head, and straddles my waist.

His balls are almost as big as my fists, how did he manage to hide all of that in his boxers? I can barely take my eyes off them, already imagining what they’ll feel like pressed up against my face, or even better: my ass. My eyes drift upward to his cock and I stare slackjawed.

It’s thicker than any dick I’ve ever seen, even in the carain porn I’ve watched! It’s easily longer than my average length, and it maintains an incredible thickness, the large ‘bump’ at the base just above his sheath must be the knot. A nearly wrist-thick lump of flesh.

Void knows I can’t really fit it in me, but Heart, do I want to try.

Aside from the shape of the tip, the knot, and the sheath, which is a lot of things, I think I know how to handle it. The tip is already leaking and we both watch as a thin bead of precum oozes onto my stomach.

“By the Heart…”

“Fuck…”

My dick jumps, nudging his ass. I bite my lip and groan.

Marrowyn tilts his head up and smirks. “Is that how you’d like me to ‘make it up to you’, puppy?”

“I–”

He grinds his ass into my crotch. His weight is immense, but not uncomfortable. I reach up and grab his sides, squeezing. He’s so fucking big, almost twice my height, and easily twice as wide.

“What is it?” He growls.

Seeing him like this, and that magnificent view of him between my legs gives me a surge of confidence. “Marrowyn.”

“Yeah?” He leans down, one paw to the side of my head and his tongue hanging out of his mouth, not an inch from my face.

I know what I want. What I need . “Would you, uh, could you please…”

He brings his nose to mine. “Tell me, pup.”

“Sit on my face,” I say.

Marrowyn sits up. “Ah, Tucker, I’m not sure that’s a good idea.”

“Why not?” I move my fingers closer to his cock and trace the area just around his balls.

“I thought you said you didn’t want me to, well, hurt you or, uhm,” He blushes. “Or ‘crush’ you.”

“What? No this is totally different.” I feel a bit of drool slip down my chin as the tip of my dick rests between his fat, furry, ass.

“Pup, I’m not sure I can do that. I mean just look at me!” He bounces his belly and laughs.

“Marrowyn, that’s why I’m asking.” I gesture to him.

He grimaces. “You’re certain?”

“Guh! When I say ‘sit on my face’ I mean it! I know! You’re big! You have a huge ass! It should be on my face !” Even on Earth, I had to tell guys I was serious. I know what I’m asking for! “Come on, please?”

He shakes his head and laughs. “Alright, pup, but if your breathing becomes unsteady I’ll–”

“Yeah, yeah, whatever, now put your balls and your ass in my face, thanks.” I reposition so that he won’t hit his head.

Marrowyn turns around and scoots backward. I lick my lips, his ass is so wide and the view of his balls swinging beneath him only adds to the appeal. Despite his concerns, his tail wags in anticipation, betraying his want.

His pendulous sack swings hypnotically and if I wasn’t drooling before, I am now. This close his scent is more pronounced. Not unpleasant, or particularly strong, but undeniably him . I laugh as his tail brushes across my face.

He apologizes profusely, but I think it’s adorable. He pauses, hovering just above my face. If I lean forward just a little I could taste him.

“Why’d you stop, Marrowyn?” I raise my hands and rub his cheeks, admiring the way they bounce. Heart, how they bounce…

“Y-you’re sure? Maybe this is good enough! I’m afraid I–”

I wish sexy confident Marrowyn would come back, but clearly, he’s afraid of hurting him. I’m glad he’s considerate of my safety but being coddled like this is annoying. While he rambles I spread his cheeks. His tail thumps and his voice becomes strangled.

“O-oh!” He takes a sharp breath as I drag my finger across his hole.

His ass is just a little less furry than the rest of him, or it feels like the fur is thinner here, and the skin I can see beneath the fur is dark. Why is everything about him so big? I imagine he’ll be able to take me no problem as I press the tip of my finger into him.

He tenses. “Tuck–Pup!”

My decision is made, my hands travel across his ass and up toward his thighs.

“Tucker, is everything okay? M-maybe I could get a little closer, but I don’t–”

I pull him down toward me, smothering myself beneath him.

His body trembles as my tongue slides along the outer ring of his hole.

Comfortably nested in between his fat, bouncy, cheeks I can’t hear whatever he’s saying. To keep him focused on the matter at hand I work an arm around his leg and cup his balls, gently rolling them in my palm.

I kiss and lick his ass. I hear his tail spring to life every time my tongue drags along his warm hole. Fuck, I’ve missed ass. I work my tongue in slow circles, probing for sensitive spots, flicking the tip across the surface, and gauging his reaction.

Whenever he squirms or growls I repeat the action, I feel his balls bouncing in my hand as I become more familiar with his body. Grabbing fistfuls of his ass I squeeze and tug and slap. Beneath him, I feel everything, the way he breathes and moves, I can even tell that he’s panting.

I’m not sure how long we stay this way, but I could stay beneath him forever. By now I’ve kissed, licked, nibbled, and worshipped every inch of his magnificent rear. I grunt when his paw wraps around my length, hoping he doesn’t get me off with just his paw.

I move my face as close to him as possible, burying my tongue as deep into him as I can.

A high-pitched whine reaches my ears, even beneath him.

Perfect. With a firm squeeze of his balls and a hard smack on his ass, I urge him off of me. He hesitantly rises and I watch his butt bounce and jiggle. He turns around and stares down at me, his gigantic balls resting on my face.

This is the best day of my entire life.

“Are,” He pants. “Are you o-okay? I didn’t–”

“I want to fuck you,” I say. “Please.”

Another high whine as I drag my tongue along the bottom of his sack. There’s going to be so much fur in my mouth after this. I’m still riding the high of eating his ass, and his warm nuts in my face makes my cock leak.

“O-okay, how do we…?” He hurries off the bed and for the first time in who knows how long my vision is unobscured by ass or balls. A shame.

“Uhm, maybe you on your back on the bed, with your legs up over my shoulders? I, hah, I want to see your face.” I get off the bed.

Marrowyn smiles. “Okay, pup.”

Heh, he really likes that.

Once Marrowyn is on his back I kneel on the bed and stare. His tail is stuck beneath him but I hear it trying to wag. I lay on him, reveling in his warmth. I relax into his body, his arms trap me in his touch.

“Marrowyn, you feel so good,” I whisper.

“You’re doing great, Tucker.” He pats my head. “Are you ready?”

“Fuck yeah.” I move and align myself with his ass. “Are you?”

“I can handle you easily!” His grin stretches across his face, and I don’t think he realizes how that sounds.

I nod. Okay. Topping. I am. A…. Top.

I take a few deep breaths to steady myself and reach down. I rub my fingers on his still-wet hole and slowly press inward, the first finger easily sinks into him to the knuckle, and a second, and only when I get a third finger in does he start reacting to my movements.

Oh Fuck, he’s so warm, so smooth. I’m not going to last long. Fuck! Get out of your head, Tucker! Just stick your dick in there and pound him! I mean, don’t just pound, there’s like, technique and whatever.

Do the carain have prostates? He was really into the rimming, I must have–

“Relax, just have fun. We can stop whenever you want.” His smile is reassuring, at least.

“M-maybe I should grab the condoms, a-and lubricant first.” I slowly withdraw my finger from him. I need to buy time! I need to calm down!

“I’m ready for you, you were very… thorough.” He winks. “Go on.”

By the fucking Void, his balls hang so low I have to lift them out of the way. “AAhhhh…” My toes curl when I feel them rub against my shaft.

Marrowyn raises his ass slightly and I hoist one of his legs over my shoulder. With one hand I line myself up with him and have to bite my lip or I Might finish the second my tip touches his hole.

“Are you–”

“Fuck me, pup .” He commands.

“Mmmhmmm–” I squeak and use his leg to keep myself steady. “Ooookay, here we gooo…”

Marrowyn watches me struggle for a moment and laughs. “Ah, puppy,” He lowers his leg from my shoulder and I think he’s going to stop me, but instead he crosses them behind my back and pulls me into him, fully nesting my shaft between his cheeks. “Go on. I’m ready.”

I try to say something, but my body moves on its own. I line myself up with him and begin to press inward. I tremble before his warmth, and every movement drags a moan from my lips. I feel like I’m sinking into a hot bath, my muscles loosen and I melt inside him. He’s surprisingly tight for his size, but I still easily sink into him.

Marrowyns body relaxes as mine does. Considering just one or two of his fingers are as thick as my dick I shouldn’t be surprised. I have to stop every inch or so to catch my breath and prevent myself from cumming too soon.

As the last inch slides into him, I whimper and feel my legs quiver. Oh fuuuuuck! I look down at him. He looks frustratingly comfortable and I am taken by the urge to fuck that smirk off his face.

He grabs his cock and begins to stroke. I stare and lick my lips.

“Once you’re finished,” He winks, saying all he needs to.

Stupid sexy Marrowyn. “O-okay.”

It takes me a couple of minutes, but I find a rhythm that isn’t going to make me burst instantly. Unfortunately, it doesn’t do anything to wipe that smug grin off Marrowyn’s face. He leisurely strokes himself, muttering about how I’m ‘such a good pup,’.

I watch his balls bounce as I thrust, slapping against my cock with every motion. His beefy cheeks plap and even when I’m not inside the way his heavy ass rubs against my dick sends shivers up my spine. I wipe the drool off my chin, and Marrowyn laughs.

“F–What’s so f-funny?” I try to sound sexy, but I’m a drooling, moaning wreck.

He stretches, puts one arm behind his head, and lets his tongue fall from his muzzle with a content sigh. “Nothing, just speed up just a little and, haaaaahhh,” He moans. “Right there, pup, just like that.”

I mimic the motion just like he asks and shut my eyes.

“Keep it up,” His stroking speeds up. “Just l-like… by the H-heart–”

His legs tighten around me and I reach down, squeezing his knot. My thrusts become messy and uncoordinated, and Marrowyn begins to grunt and growl.

“I’m c-close, Marrowyn,” I say through my teeth.

Marrow’s only response is a primal, lusty growl. He tightens around me and snarls, his knife-sharp fangs fully exposed. “Whose a good pup?”

“Ah–M-Me!! I–Aaaaahhh!” I cry out, the pressure reaching a critical mass, my cock throbs, and a tremor shoots through my body as I shoot inside him. “Mgooodbuppyaahhnn…” I grind myself as deep into him as I can and lean over and bury my face in his belly, drooling.

He fucks my palm and I feel him begin to spasm, his thick, viscous precum oozes down his cock onto my fingers and smears against my stomach. I get lost in the moment. If he’s saying something, I don’t hear it.

I absentmindedly stroke him and thrust weakly into him. My legs give out and I crumple onto his belly. He holds my head in his paws and pats me gently, I lean into his touch and take several ragged breaths.

I am a good puppy.

“Good–” His words of encouragement are cut off by a high-pitched yawn. “Good puppy.”

I lift myself with one arm and very slowly pull out of him. I’m sure I couldn’t hurt him if I wanted to, but it’s the gentlemanly thing to do. “Wow, Marrowyn I…” I look down at my hand, his fur, and my chest. “D–did you finish?” I stare down at his large dark cock, it’s shiny with precum.

“Not yet.” He sits up.

Heart, preserve me. “Wh-what do–”

Marrowyn grabs my arm and pulls me onto the bed, rolling over to pin me down. His nose rubs against mine and he grins. His ass is stuck up in the air and his tail slaps against the wall and low-ceiling.

“M-Marrowyn?” I swallow.

He snarls and grabs my shoulder with his mouth for another ‘hickey’.

I tilt my head and cry into a pillow as he tugs my still-sensitive cock.

Thankfully, he doesn’t torture me for long. “I like that sound you make.”

I hold his head between my jaw and shoulder. “I gotta say, Marrow, I never expected you to act like this .”

“Why not?” He sniffs around my neck, his cold nose making me shiver.

“You’re always so… mild-mannered.” I scratch behind his ear.

“We aren’t even done yet!” He smiles. “Unless you don’t want to do anything else.”

I really hope he doesn’t think I’m that selfish. “What? No! Tell me what you want.”

“I want to fuck you, too.” He says without hesitation.

A rational part of my brain sends a thought skittering across the surface of my mind. ‘Don’t do this, Tucker, he’s way too big!’, but another, more primal, more instinctual, part of my brain says–

“Yes, please.”

The pillow is covered in my drool. My face is pressed down into the mattress and my ass is high in the air with Marrowyns finger inside of me, he’s working on getting the second one in now.

“Deep breaths, Tucker, tell me if I need to stop.” His other paw rubs my back when he isn’t pouring an extremely generous amount of lube onto me.

I focus on my breathing, on relaxing. We’ve been at this for almost ten minutes, and the fact that Marrowyns single finger is only marginally smaller than the average human cock makes me a little anxious.

The way he’s moving and talking reminds me of when he gives me an exam. Just like when I first got here, he’s slow, cautious, considerate of my comfort, and taking his time to learn everything there is to know about my body.

“OH! Haaa–” My entire body quakes.

He freezes. “Are you okay?”

“Y-yes,” I mutter. “Uhm, that–that felt really good.”

A low hmm . “This?”

“AH!” I shout into the mattress.

“Interesting…” He says in the most academic way possible.

After that, he returns to getting his other finger in me. I have to stop him several times, and at one point I’m afraid we’re going to run out of lubricant, but he has a second bottle. I laugh into the bed, he must have really wanted to do this if he’s so well prepared.

But it’s Marrowyn, of course, he’s well prepared.

“Are you alright?” He asks.

I offer a thumbs up.

“I think you’re ready, pup. If you need me to stop at any time, let me know.” He slowly, almost excruciatingly slowly, pulls his fingers out of me. “Come sit in my lap. I–I think it’ll be easier for you that way.”

Marrowyn leans back against the wall as much as he can and guides me into his lap. The uncomfortable coldness I felt is replaced by his immeasurable warmth. He kisses my forehead and holds me.

“Go at your pace, and we can stop whenever you want.” The look he had on his face when he said he wanted to fuck me was desire and hunger, but I stare into his amber eyes and my stomach twists into knots. He rubs his muzzle against my cheek. “Whenever you’re ready.”

I wrap my arms around his neck and kiss his chin.

For a few moments, I don’t know how many, he just holds me. I want this, I want him . I want to be close, I want to feel him, I want to show him how much I trust him and care for him. I can do this.

I reach back and align him with me. Heart, preserve me. The fat head of his cock quickly meets some resistance and I stop. This is going to take a long, long time. With his support and constant assurance, we make progress.

Slow, sometimes painful, progress.

He asks if I want to stop, but with my face in the thick, slightly sweaty, tangle of his chest hair I can’t imagine that. I’m glad he’s so big and that his skin is so thick because I can’t stop myself from biting down when the pain becomes intense.

Marrowyns legs tense. “You–You’re almost there, but stop when you g-get to the knot, Tucker.”

I look up and see his eyes shut tight, his face is focused and determined. It’s probably hard for him to not thrust .

“Mmmaaarrrwwwynn,” I whine into his neck when that thick, hot, knot of flesh grinds against my well-filled ass.

“That's good, so good.” He rubs his nose in my hair.

“Guhhhhh–” I’ve never been this full in my life. With each breath he takes he throbs inside me, and I feel my cock stirring to life again. My cheeks are damp, whether from his sweat or my tears, I’m not sure.

“I’ve got you, it’s okay.” Marrowyn’s chest rises and falls. “You’re a very good puppy, Tucker.”

“Uhuh…” I whisper.

Time once again loses meaning, Marrowyn hasn’t made any effort to start fucking me, and the Void knows I’m not sure I can make my legs work right now. I scratch him, hold myself against him, and listen to his quiet coos.

“Are you ready?” He hugs me.

I nod. I’ve come this far, and I’m not stopping till this man cums in me!

Or I die, and dying on his dick seems like something that would be very hard to explain to the Captain.

“Dearfuckinglord.” I gasp at his first thrust.

“You’re alright??” Marrowyn asks.

I squeeze his chest and nod.

Every thirty seconds or so he thrusts or lifts me off of him. Each intrusion is a test of my endurance and a testament to his patience. But as my body adjusts, I become more comfortable and begin to feel indescribable pleasure.

“Keep going, Marrow.” My arms are around his neck as I bounce with his thrusts. Someone is whimpering and moaning in time with him, sad, desperate, needy little cries that grow in intensity.

Marrowyn’s comforting words fall apart as he speeds up. Now he’s just growling and snarling as he squeezes me into his chest.

I bite down on his shoulder.

“I’m almost there, you’re doing, g–go–” He rests his head on top of mine.

I feel so close to him. My body is fully entwined with his and the sensation of heat, the softness of his fur, his big belly bouncing against my cock, and his paws holding me firm is enough to drive me to ecstasy.

But I want to be closer .

“Ma-aarrowyn, ahhh! Mmmm, haaaaa–” Those whimpering, whining cries grow louder.

“Yeah? You feel good, puppy?” He grunts.

Overwhelmed with desire I start to meet his thrusting with motions of my own.

“Heart! He–Heart–” His jaw tenses and a deep growl rumbles through his body. “That’s–Wa–wait!”

I’ve never felt so good, so wanted . “Marrowyn…I–” I lift my rear and lower it to meet his thrusts, his knot teasing my entrance. “Marrow!” I bite his shoulder.

“Tucker, a-are you–” He moans, and before he has the chance to voice his concerns I lift myself up, leaving just his tip inside of me, and then I push myself back down at the same time he drives himself into me.

Then, there’s A loud, wet, Pop.

Did he just yelp? Or was that me? I can’t see anything with my face in his neck, and my ears are ringing, but someone is still moaning, whining, and crying.

“Tucker! I–Oh, Heart !” Marrowyn becomes rigid. His claws prick my skin and he howls with pleasure.

I babble incoherently into his chest. Warmth floods my body as he unloads inside me. I feel his cock throb and pulse with every jet of cum, I feel it filling me, it’s an intimate heat that I’ve never experienced before.

Marrowyn is hugging me so hard I’m afraid he might break me in half, well, if he hadn’t already. He licks my hair, pats my back, and mutters his praise.

“I–I can’t believe it, Tucker…” He nuzzles me. “I’ve–I’ve never knotted anyone before.”

I should tell him he’s wonderful, and he’s a great lover, and I appreciate how patient he was with me, and how I’ve never felt so good in my entire life. “Uughhhhnnuuuuhgggmmgobupphhmnnngggmarr…”

Close enough.

A few minutes pass and I become aware of how sticky my stomach is. Oh, I came from being fucked. That’s kind of hot, but as the high of my orgasm comes down a grimy feeling sets in.

“Okay, Marrowyn. I need a shower.” I kiss his neck. “You can, uh–” I feel his cock throb in me. Is he still cumming? “Y–You can pull out now.”

Marrowyn stops licking me. “Uh, Tucker.”

“H-hey! This feels nice but I can only take so much, so, yeah, let’s get cleaned uuUuuU–” Another?

“Tucker I–Hnn–I can’t.” Marrowyn says.

…

“Tucker? Are you okay, puppy?” He asks.

“Wh–what Do–aahHahaha– What do you mean can’t .” I look up and kiss his chin. “M–Marrow.”

He doesn’t answer.

“Marrow, whaaAA!” Fuck! Are all carain like this, or is Marrowyn just a stud?

“I-I thought you knew…” He swallows.

“Knew. What? MaAaAARr–” What the fuck?! It feels like he’s getting bigger !

“T–Tucker, puppy, d-don’t be upset.” He rubs my back.

I try to speak but, impossibly, it feels like he’s still growing.

“A–After orgasm, the, uhm, knot , inflates to… keep you tied to your mate.”

“It… What?”

“I can’t pull out, Tucker.”

I take a deep breath.

“Are you okay, Pup, i-it should only be, ah, a quarter of a mark at most.”

“A QUARTER OF A FUCKING MARK, MARROWYN?! I– VOIDFUCKINGHEARTEYEFILAFUCK!” I shout into his fur.

“I thought you knew! Didn’t Paytr tell you this?!” Marrowyn barks, holding me into his chest, offering me futile little comforts.

“I WASN’T LISTENING, MARROWYN!”

“That’s not my fault! I tried to, a-ask you but you just,” His nose pokes the top of my head and he softens. “Are you okay?”

I groan. “I will be f-fine. Eventually.”

Marrowyn inhales and my body rises with his chest and falls when he exhales. “Silly pup.”

All things considered, and if I don’t move too much, it’s not uncomfortable. I may never walk again, and I won’t be sitting right for a month, but Marrowyn’s gentle licks make it bearable.

“OhthankfuckingGod…” I hiss when he finally pulls free of me.

He lifts my chin. “Sorry, Tucker.”

I kiss his nose. “We, uh, we won’t do that… too… much…”

“Hah! I’m surprised we could do it at all, Tucker. Do you need help getting to the shower?”

“Please carry me. Thank you.” I sound pathetic. I’ve never been this exhausted.

He doesn’t stop apologizing when we’re in the shower together. I just laugh and assure him I’ll be fine. Marrowyn steps out of the shower to grab different washes and soaps, human-safe ones that he kept.

I openly stare at his ass while he bends down to pick it up and, feeling mischievous, I reach out and–

SLAP .

“TUCKER!” Marrowyn jumps. “You–You…!”

“Hehe, I’m sorry Marrowyn, you’ve just got a fantastic ass.” I hold the shower door open for him. “And you deserve it.”

He looks mortified but my smile sets him at ease. “HAH!” He re-enters the shower and pushes me up against the cold wall, his fur is soaked and sticking to my skin. “ Naughty pup .”

“Pfft, whatever.” I rub some soap into his chest. “Are you okay? You’re apologizing a lot.”

“I’m fine, I just worry about you. I got so…”

“Horny?” I ask.

He smiles. “Yes. I wasn’t too rough?”

“Nah, you’re fine, Marrow. I’m fine. You got me a little messy, but you didn’t hurt me. Well, not too much.”

“Thank the Heart for that.” Marrowyn uncaps the bottle of soap and pours it directly onto my head. “It was… extraordinary to see you take me like that. The human body is amazing,” He raises one eyebrow and grins, his teeth glistening. “Or maybe it’s just your body that’s amazing?”

“Wha–” A mortal blow has been struck. My stomach flutters and my cheeks are stained red. Wow, he got me with a line that bad? “You’re a dork, Marrowyn.” I can’t let him know how much that worked for me.

“Hah!” He winks. “You’re sure you’re alright? I’m not a small carain, Tucker.”

“Eh, it was my idea. I should have paid better attention to Paytr’s lecture.”

“Maybe I should give you another one?” He pushes me against the wall with his belly.

“Pfft, I think I know now.” I laugh. “So is the knot like, just for pleasure? Why in the void does it like, inflate ? It felt pretty good, at least.”

Marrowyn frowns. “I think maybe I should prepare that lecture…”

My shoulders fully relax as he lathers me up. “Mmmm… I guess.”

“Uhm, would you like to share a bed tonight?” He asks.

“Well you tore my only pants in half, so, I think I need to stay here anyway.”

“O-oh! Uh, sorry. I could always go get clothes for you.” He replies.

“Nah, you can swing by my room when you pick up my breakfast tomorrow.”

“Heh, whatever you say.”

After helping Marrowyn get soaped up, I leave the shower, but not before he gives me a sloppy, wet kiss. What a cute guy.

Out of the bathroom I get to snooping and, for revenge reasons, begin to mess with his desk. I don’t have the energy to be too devious tonight, but I move and hide some pens. I turn around and scrunch my nose when I see the bed.

We’re going to sleep on the other bed tonight. I remove the filthy, sin-stained sheets, and hide them in a sanitary corner, making a note on my monitor to get them cleaned for Marrowyn. I see a dozen messages unread. Jeez.

????TYU ???? IS IT GOING WELL?!

????TYU ????TINY,

????TYU ????TINY,

????TYU ????TINY,

????TYU ????TINY DO YOU NEED HELP?!

????TYU ????I HOPE YOU GET THE KNOT! YOU’RE SO CUTE!

????TYU ????TINY DID YOU GET THE KNOT???

????TYU ????MARRUK WON’T TELL ME.

????TYU ????TINY.

For fucks sake, Tyu. I reply, insisting that nothing happened, and we just had a nice meal and a talk, now I’m back in my room, and it’s late, and I’m sleepy, and going to bed. I assure her we’ll talk in the morning.

????TYU ????Tiiiinnyyyyyyyyy, you’re lyyyyyiiinngggggg

Pfft, how would she know?

????TYU ????I’m in your room right now. Where are you?

What? An extremely pornographic ASCII image of Marrowyn and I in a position not unlike the one we were in a few minutes ago comes across. I need to ask Marruk about this, or I could move back in with Marrowyn.

????TYU ????YOU DID DIDN’T YOU. AHHHHHHHHHHHHHHHH

????TYU ???? YOU WILL TELL ME EVERYTHING

Shaking my head, I move onto other messages.

PAYTR: Tucker, I’m sure you and Doctor Senno patiently reviewed the test results.

PAYTR: Because if you didn’t, there’s a chance that exposure to human semen causes a necrotic rash in carain.

PAYTR: It could be fatal.

“MARROWYN OH MY GOD! MARROW!” I jump off the bed, hit my head on the ceiling, and bolt to the bathroom, my ass aching with each step. I HAVE ACID CUM!?

“Tucker?! What’s wrong what’s happening?” He’s standing nude, just about to turn on the dryer.

“It’s Paytr, he says–” I glance at my monitor.

PAYTR: It doesn’t by the way. But it might have.

PAYTR: You’re safe to ‘give’ and ‘receive’. Congratulations.

I lean against the door frame. “... Nothing. It’s nothing.”

“Uhm. Okay. I’ll be right out.”

I leave as he turns on the dryer, and collapse onto the clean bed. God fucking dammit, Paytr. You bitch. He’s right, though, we probably should have used a condom and waited for the test results.

Another message from Paytr comes through.

PAYTR: Did you find the stick up his ass? Or did you put one there?

“Pfft, haha.” I can’t stay mad at him. I insist we read the results, and that everything went well. I hope Marrow lays off his assistants and schedules some time off.

“What are you laughing at? Messing with my things again?” Marrowyn walks out of the shower, and I’m pleasantly surprised to see he’s still naked. His titanic balls sway with every step.

Mmm. What a man.

“Oh, you’ve already stripped the bed.”

He bends down to inspect the bare mattress and I lick my lips. I love those balls. So big I could use them like a pillow almost. Mmm…

“Tucker?”

Maybe tomorrow before work I can blow him. Fuck yes, those big–

“Tucker, hello?”

Swinging, full, heavy–

“Pup? Are you in there?”

His balls come closer to my face, perfect, big, bouncy, balls.

“Ahem, Tucker.”

I snap my eyes up and Marrowyn's balls are– Uh, Marrowyn, is standing over me. “H-hello.”

“I hope I don’t become a distraction for you, Tucker.” He says.

“Nope, never.” Balls. Massive balls.

“Riiiiiiight.” He crosses his arms. “Make room.”

After much effort, Marrowyn rolls onto his side, placing one arm behind my head and half-laying on top of me. I insist I’m comfortable squished beneath his bulk, and for once he actually takes my word for it.

This is nice. Really nice. I frown.

“Is everything okay?” He asks. “You’re not too sore? I could examine your rear and maybe find some ointment or–”

“Nah, that’s not it, but, uhm, maybe we check that tomorrow. Uh, can I ask you something?” I flop his ear around.

“Anything.” He smiles.

“Can I move back in with you?”

He leans close and I hear his tail slap the wall. “You… You want to?”

“Yeah, if it’s not too much to ask. After all, I moved out cause I was afraid that… that me liking you, being attracted to you would be a problem. But, uhm, all things considered, I don’t think it is anymore.” I force a smile.

Marrowyn rolls on top of me and bombards me with licks, clumsy kisses, and playful nibbles. Oh, playing , wow, they really are just big dogs.

“Hey!”

“Of course! Yes!” He laughs and rolls around with me in his arms.

“Marrowyn!” I can’t hide my laugh.

“After work tomorrow I’ll be sure to help you move, a-and if we have time maybe we can start going through the book you got me? I’ve read it, of course, and I think you’ll like it! I have a digital copy, so we’ll read it together. I could prepare a worksheet. You studied literature, yes? Well, this work is–”

I roll over and bury my face in his chest, the comforting rise and fall lures me to sleep as he talks.

He shoves his nose into my hair and begins sniffing and licking. “Good night, Tucker.”

“Wait, wait, wait, what was that?”

“What?”

“The licking! The snuffling! The biting!”

“Hm? Nothing.” He puts a paw to the back of my head and holds me against his chest, silencing my protests.

Normally I’d argue, but tonight? I think tonight I can rest easy.