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honeybeefae · 2 years

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Size Matters (Cassian x Reader)

KINKTOBER DAY TWO: SIZE DIFFERENCE

Summary// He had been watching you ever since you first were introduced, taking note of just how tiny you were compared to him. It drove him wild some nights imagining how much you could take and how you would look. Lucky for him, you were thinking the very same thing and after one too many drinks at Rita’s you both find out just how right the other was.

(I’ve never written for Cassian before and honestly…I’m in love?? He’s so goofy yet extremely smart (and arrogant) and I just KNOW he would be hella good in bed. I hope I do him justice, let me know if you guys like him/the story!)

WARNINGS: 18+, smut, size kink, belly bulge, drinking, you are both drunk but it is 100% consensual, dirty talk, ass smacking, size queen reader, please prep before you have sex lol, possessiveness, overstimulation, slight breeding kink??

Cassian had taken notice of the distinct differences in your sizes from the moment you met. You were an apprentice healer, working in your parent’s shop when he and Mor had stopped by for something that he had forgotten the second your eyes connected.

You had given the two of them a bright smile, walking out from behind the counter to ask if there was anything you could help them with. Mor handed you a list and had numerous questions and while you were answering them, your eyes kept drifting off to the side to take him in.

His chest was the only thing you could see at eye level, having to tilt your head back quite a ways to meet his eyes. Your heart quickened every time he got beside you, still not having said anything directly to you yet, from just how domineering his height and build were.

After you had checked them out, Cassian offered his hand and smiled, not missing how his own hand completely covered your own. From then on he was more than happy to run errands to your shop, talking to you more and more to try and find out more about you.

Eventually you grew close and the friendly talks and outings turned more…flirtatious. It almost felt like there was some string between the two of you and with every interaction it was pulling you closer and closer. He introduced you to his friends and brothers, satisfied in the way you clung to him as if he would protect you from the world, which he would without hesitation.

However, your relationship never got past the longing glances and passing touches. That is, until tonight.

You had lost count of how many drinks you had slammed back, trying your best to keep up with your group as they cheered you on. It had been a while since you had gone out and you were having a great time. Everyone was in a great mood, the music was hitting just the right spot, and Cassian had been paying extra special attention to you.

He was possessive of the people he cared about which was something you loved about him but it was much more prominent tonight. Cassian would be at your side constantly, not even letting you dance alone, but you were not complaining in the slightest.

Of course, the two of you were quite tipsy and had a case of wandering hands, letting yourself enjoy the way his body swallowed you when he pulled you close during a song or when sitting in the booth talking to Azriel and Rhys.

“You really think you could take me on?” Cassian laughed as you nodded enthusiastically, vision spinning from the fast motion. “I don’t think you even have a chance against a bunny, Y/N, let alone a general.”

“That’s so not fair!” You pouted, looking to Rhys for backup. “Half of the fight is believing in yourself and I absolutely believe I could kick your ass.”

Azriel and Rhys threw their heads back in a fit of laughter, the image of you fighting Cassian too comical. “I dunno Cass. You have been lacking in the ring lately. Almost like you’ve been distracted.” Rhys taunted, smirking at the glare Cassian shot him. “She might just be able to hold her own.”

With both liquor and adrenaline running through your blood, you felt extremely bold as you turned to your friend and said, “Let’s test this out now. We can go up to the training ring right now and settle this.” All three of the Illyrians turned to you in shock and apprehension, not even noticing Mor as she slid back into the booth.

“What’s wrong? Why are you all looking at her like that?” Mor asked, her face soon mirroring the rest of the group as Azriel filled her in on what you had just said.

“Y/N, no way. I think it’s time we cut you off.” She said while reaching for your drink, flinching when you snatched it close to your chest.

“I’m serious! I could totally fight him; I’ve been practicing.” You defend but Cassian shakes his head, placing his large hand over yours to get you to look at him.

“We’re doing this for your own good, sweetheart. You would get hurt and I wouldn’t be able to forgive myself.” His tone was somber, and you knew he was telling the truth. He was always so gentle and cautious with you. It was like he thought you would break under his fingertips.

But you didn’t want that Cassian, not right now. Frustration was growing in your soul as everyone dismissed your skill and so you took in a deep breath and delivered a low blow, knowing it would get under his skin.

“Poor Illyrian baby, I know how fragile your egos are.” You cooed with a sarcastic smile, patting his cheek as his right eye twitched. “If you’re too scared I’ll just go find someone else, don’t worry.”

Cassian would never, ever, put you in danger. He was the General Commander of the Night Court’s army, he had won countless fights and battles, and he had nothing to prove to anyone. You weren’t thinking clearly and he knew that. He knew you were just taunting him like the brat you were.

However when he saw his brothers choke on their drinks, hiding their laughter behind their arms, while Mor openly cackled at your words…it flipped a switch in him.

Especially when you began to get up to go find some random guy to go challenge.

“Stop,” Cassian grunted while practically slamming you back into your seat. “I’m giving you one chance to rethink your decision, Y/N. If you were smart, you would take it.”

“If you weren’t chicken you wouldn’t want to give me an out, general.” You snarked back, grinning from ear to ear when he pushed you both out of the booth to leave for the House of Wind.

“Cass-” Azriel began but closed his lips when he shot him a warning look. Rhysand’s eyes were flickering back and forth between the two of you, deciphering your thoughts and body language, before giving Azriel a signal to lay off. He was almost certain that nothing would happen between the two of you that would put either of you in harm's way. Almost.

“Good luck, Y/N.” Mor smiled sweetly as you gave her a thumbs up, letting Cassian guide you outside. She turned to the remaining two men and, when certain you were both gone, said, “We all know what’s going to happen right?”

“Definitely.” Azriel nodded.

“Yeah, I wouldn’t recommend any of us heading over there tonight…or tomorrow,” Rhys added while taking another sip, motioning for Rita to grab another round. “Next round is on me.”

The wind was cold as it whipped past your face, Cassian’s hold tight as he flew you both to the training ring. It was quiet the entire time and you took the chance to enjoy being held this close to him, resting your head against his chest which made a small blush rise to his cheeks.

When you both landed, he sighed and ran a hand through his hair, looking you over in contemplation. You had your arms wrapped around yourself from the chill in the air, not thinking to grab a jacket, and he was starting to rethink his rash decision.

“Do you really want to do this?” Cassian asked while you walked to the edge of the ring, alcohol still buzzing around your head. “We can just go inside and head to bed. That way no one gets hurt.”

“I’m not a baby, Cass.” You frown, resisting the urge to stomp your feet. “It can be quick, first person pinned wins, if you are that worried.”

He stood still for a moment before shrugging and motioning you to head inside, chuckling when you almost fell over your own feet. You took a deep breath and shook your entire body to get your blood pumping, smiling like a kid when Cassian took a fighting stance. He gave you one last look and you nodded, hands outstretched, and then he launched himself towards you.

You slid out of the way easily and into the other corner, winking at him cockily when he turned around in surprise. “Told ya.” You teased as he smirked and dove forward again, looking to grab your legs, but missing when you jumped out of the way.

“Oh come on, you can’t just dodge the entire time.” Cassian complained to which you just shrugged.

“I thought you didn’t want to hurt me?” You asked as you dodged again, having to steady yourself when your vision blurred momentarily.

“I don’t.” He responded while taking advantage of your stumble, snaking a hand around your waist and pulling you roughly into his chest. “But that doesn’t mean I can’t enjoy the chase.”

Your stomach swarmed with butterflies at the intimate hold, both of your bodies warm as you turned to look up at him. His pupils were wide with either adrenaline or lust, you couldn’t know for sure, while his mouth was slightly parted. All of the feelings you had been holding in for him came swimming up to the surface the longer he watched you.

“I like it too.” You say softly, turning your body so that your front was pressed fully against him. His nostrils flared at your brazenness, the hand that was on your stomach now falling to rest just above your ass. “Kiss me, Cassian.”

He didn’t hesitate to follow your orders, bending down to claim your lips heatedly and groaning at the taste of you. It was everything he had dreamed of, the softness of them pulling him in deeper as he held your head with his free hand to give him more control.

You yielded to him like it was second nature, feeling your entire body heat up like you were standing next to the sun. Cassian lifted you up easily, your legs wrapping around his waist, as he began to explore your mouth with his tongue. You could feel his cock from this position, of just how big he was, and you couldn’t stop yourself from rubbing your sex into his.

“Fuck, Y/N.” He growled, massaging your ass with his two hands as you pulled away from the kiss. “Such a dirty girl.”

“Please, Cass, I don’t think I can wait much longer.” You pleaded while mouthing at his neck. “I want you so bad.”

Cassian smirked and bounced you on his clothed cock, enjoying how your head fell back as your panties soaked from the friction. You were going to be the death of him but he didn’t care, sinking to his knees so that he could lay your flat against the padding of the ring.

Your shirt and pants were wrinkled from all of the movements and when you went to take them off, he stopped you, licking his lips at the sight of you so eager for him.

“Gods, you are so fucking tiny, sweetheart.” He noted, rubbing a hand over his face as you ignored him. “I have to prep you first, Y/N, or I am going to hurt you.”

His eyebrows rose when you rose up to your knees swiftly and grabbed the collar of his shirt, pulling him down to eye level. “I want you to hurt me, Cassian.” You confessed, panting in need, and you saw the immediate switch in his demeanor.

He snarled and grasped your chin with two fingers, kissing you fiercely as he tore your clothes to shreds. The air made goosebumps rise to your skin but you didn’t care, enjoying the way he bit down on your lip as your hands flew down to free his member from his pants.

It sprang free and hit his stomach, the tip an angry red while the length looked like it would break you in half. “Holy shit.” You mumbled, wrapping your hand around it as best as you could and giving him a few quick strokes. Cassian moaned at the touch, watching how your fingers struggled to touch together from his girth.

You knew you probably should’ve listened to him about prep, that you were going to be sore tomorrow, but you wanted it to hurt. You wanted him to break you in half, to have him stretch you out like never before, and you knew he wanted the same thing.

“Think you can take it, sweetheart?” He asked cockily, hissing when you gripped him just a little too tight in response.

Cassian laid back on the floor of the ring, letting you take the rest of his clothes off, before grasping his cock in his hand and staring at you with a hungry look. You committed the sight of him to memory, of the sheer size of the Illyrian before you, and climbed on top.

“Gonna ride me, Y/N?” He taunted as you positioned yourself over his dick. You could see your juices dripping onto him as you grabbed the base and teased it with your lips, enjoying how his mouth dropped open at the feeling.

“Fuck…” Were the last words to leave his mouth as you slowly, slowly, sank down onto him. It already felt like you were full and he wasn’t even halfway in, your eyes screwing shut at the pain as you went farther down. “That’s it, baby, that’s it.”

Even though you knew you were wet enough it still hurt, the stretch unbelievable as you finally bottomed out. Cassian was breathing heavily below you, his hands holding your hips so tight you were sure they were going to break, trying to control the urge to just fuck into you like an animal.

You took a few deep breaths and planted your hands on his chest, looking down and moaning at the sight of the small bulge in your belly. He was so deep inside you that you could see it.

He followed your eyes and you gasped when he pulled out slightly and thrust back in, his own moan falling out when he watched the bulge move. It was like a wet dream come to life, knowing he was balls deep inside you while you took him like a good girl. Cassian’s control was on a thin line and when you bent down close and whispered, “Fuck, you’re so big, Cass.” He lost it.

His hands lifted you almost all the way off his cock before he slammed you down again, ignoring your small cry of pain as he fucked you as he had always imagined. You did your best to hold on, your tits bouncing wildly as he hit your cervix with every thrust.

“Such a, fuck-” He growled as you buried your head into his chest, not even being able to reach his neck, and started to suck and kiss whatever skin you could. “Good girl. Taking all of me, all of my cock.”

“Yes, please!” You cried out, the sounds of skin on skin echoing into the night as your eyes rolled back in pleasure. “I can take it, I can take it.”

A fire started to burn in your lower belly as he tore you in half, his cock pistoning in and out at an inhuman pace as he claimed what was his. Cassian wasn’t far behind, the feeling of your cunt squeezing him so tightly making his orgasm come faster than he would like.

“M’gonna fill you up, Y/N.” He snarled as you gained enough strength to push yourself back up, using his hands on your back as leverage to try and match his pace. “Do you want that? Want my cum leaking out of you like a whore?”

You nodded although you weren’t totally coherent, chasing your own orgasm as he groaned and moved on of his hands to your pussy, rubbing your clit in small circles so that the two of you could finish together.

It was the final touch you needed, your hips stuttering to a halt as you exploded around him and screamed out his name. Cassian was right behind you, watching you like you were a goddess as he emptied himself into your cunt, feeling it burst past the seam of your conjoined parts and leak onto the floor below.

He slowed his thrusts down as you collapsed on top of him, breathing heavily as he tried to fuck his cum back into your hole. You groaned as you started to get overstimulated, trying to push him off but he just chuckled and held you in a vicelike grip.

“Uh uh, sweetheart. I’ve waited too long to have you.” Cassian murmured into your ear sweetly, licking the outer shell that had a shiver going down your spine. “You’re mine.”