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ihavethedreamies · 3 months

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Best Friend's Brother | Doyoung

Kim Dongyoung (Doyoung - NCT 127)

Rating: M (18+) MDNI

Word Count: ~5.4k

Pairing: Doyoung x AFAB!Reader

Genre: Reader-Insert, Smut, Some Plot, Friends to Lovers

!!This is smut…if that much isn't clear you should probably leave now!! MDNI!

Warnings: She/Her Pronouns used, Small Age Difference (Like 5 years, reader is 19 and he's 24), Swearing, Kissing, Oral (M! Receiving), Fingering, Spanking (once or twice), Unprotected Sex (Use a condom! She's on the pill)

Author's Note: I wrote this a long time ago and had it saved somewhere else and totally forgot about it till the other day, lol. I Beta-ed it myself but there might be some errors still.

I am cross-posting this on Archive. Please reblog! If you know anyone that would like this or future fics but they aren't on here my name and icon are exactly the same on the other site. Happy reading!

You had always had eyes for your friend's brother. It was nearly impossible not to give the fact that he was simultaneously the cutest and hottest thing on the face of the earth. There were times where Doyoung would smile or laugh and you heart would melt; the other times he would get angry or annoyed, and THAT look…made your ovaries explode. His broad shoulders and narrow build appealed to you more than the ripped guys you'd meet at the gym. You did always wonder what he had hiding under there though, because every time you were at the pool, he either didn’t get in or wore a shirt…Though, the wet fabric clinging to his body didn’t leave too much to the imagination. The worst part though, was that your best friend knew EVERYTHING. And she would tease you mercilessly for it. She was never disgusted by your crush on her brother; however, she requested to never have to see anything between the two of you. Fat chance at anything happening though. To him, you were like another little sister. You had been friends with his actual sister for many, many years, and he probably still saw you as the toothless six-year-old that hit him in the head with a plastic baseball bat. It wasn’t on purpose of course, but he, and his sister, never let you live it down.

Luckily, since he was five years older, there was never a point where you two were at the same school. You weren’t sure you could handle all the stares and attention he got from other girls, because he for damn sure got it. You remembered one valentine's day the amount of chocolates and notes he brought home from school. The year after you had decided to make chocolates for him yourself, but when they turned out terribly misshapen -still tasty- you ate them yourself.

Little did he know, you had a framed picture with him on your vanity…Not in a creepy way. It was from a few summers back where your group of friends had gone camping and he went along with some of his friends to basically chaperone. Therefore, there were other people in the picture, not just him. Your favorite part of it was that he is standing behind you with that beautiful smile, his hand resting on your head. Right after the picture was taken, he ruffled your hair, then dispersed with the rest of the group. That night, several of your friends flirted and joked with his friends, but you and he sat aside, watching the shenanigans. You were both exhausted but would be teased endlessly if you went to bed, so you sat together under a tree watching the fireflies. It wasn’t until later that you had found out you had fallen asleep on his shoulder, and he fell asleep with his head resting on yours. Rumor had it, your best friend had a picture, but refused to show you. She claimed she needed it for when she did something otherwise unforgivable and needed an out.

One day you were over at her apartment, both of you studying on a hot late-spring day, the open windows allowing for a nice breeze to waft through. Her apartment was settled above her aunt's bakery and so she got a discount on rent. Since their aunt and uncle had no children themselves, Doyoung was set to inherit the business in a few years. On nice days, they would sit outside and offer samples and coupons to people walking by, and his beautiful face always drew people in like flies. It was honestly amazing to listen to him chuckle and converse with customers, but also distracted you from your studies. Often your friend would catch you, eyes closed, reveling in listening to him, daydreaming.

"Yah! Get to work." She tapped the end of her pencil on your notebook.

"Sorry." You snapped out of it and got back to taking notes. Summer break was approaching, which meant so were finals. Not too worried about it you realized you might gain a reason to be if you continued to drift off into Doyoung land. It had become soon to closing time for the bakery, staying open till about six pm that time of year. You decided to take a break and got off the floor to pace her apartment. The remnants of the food you had delivered had been put in the refrigerator and the dishes had long since been picked up by the delivery boy. Opening the fridge, you scan through it, feeling a bit snacky but not sure what you wanted. You also had a bad habit of opening the fridge when in the kitchen even if you weren’t hungry. Going to the small balcony, you leaned on the railing to watch Doyoung sweeping in front of the store and wiping tables down. The sleeves of his white button-up were rolled to above his elbow, and his jeans were perfectly hugging-

"How's studying going?" His voice startled you and your eyes moved from his ass to his eyes. He was looking up at you like a curious bunny and it was the cutest freaking-

"Uh, it's going." You huffed a small laugh awkwardly, hoping he didn’t catch you staring.

"Do you need any help?" He asked and you blinked back. Should you take the opportunity? You really didn’t need help…You glanced behind you at the pile of books and papers on the table, as well as his sister conked out, drooling on her homework.

"Uh, yes please. I'll be right down!" You called as quietly as you could for him to still hear you, but not wake her up, and shuffled back inside to grab your study materials. Your sandals flapped on the stairs as you descended the outside staircase and moved to meet him out front.

"Let's go sit inside, it’s a bit cooler." He smiled and motioned for you to follow. He closed the doors, flipped the sign to closed, and you found a table. There were only three small tables inside, so you had to put some of your stuff on the windowsill next to you. He removed his apron - dear lord his buttons were STRUGGLING - and moved the chair from across to next to you.

"What class are you studying for right now?" He asked.

"Advanced World History." You weren’t exactly having trouble, but it was the hardest class you needed to study for. His eyes widened then he blinked at you.

"You're, what, a second year? I could have never at nineteen." He shook his head.

"Can you now?" You asked and he laughed. Your heart thudded so hard it's like she fell over the railing of a balcony.

"I can try…I should have asked what class before I offered." He huffed a nervous laugh.

"Well, maybe you can just help me go over the study guide. You know, make sure I know what I'm talking about." You handed him a green-paper packet and he turned his chair to face you better, leaning back into it. He began to go over questions, and you answered, but he tripped you up. You had memorized them in order, and he was reading off at random. This meant you had to actually know what the answer was instead of relying on repetition.

"Daeng! Try again!" He eyed you over the top of the paper playfully. You crinkled your nose, thinking.

"You're so cute." he whispered, but you heard it. Your head shot up to stare at him, and realization crossed his face that he said it out loud. You expected him to brush it off as some little sister thing, but his cheeks and ears turned a bright red.

"I'm cute? Me? No, no, you're cute." You had no idea where the confident flirtation came from, but you were dead serious. He blinked at you again.

"Cute." You pointed at him. Your deadpan stare and serious tone caught him off guard. He cleared his throat nervously and wouldn’t meet your eye.

"Next question." You waved the situation off, screaming inside. It was like you were having an out-of-body-experience and your filter had been removed, letting him your instinctual thoughts.

"You really think I'm cute?" He put the paper down, sitting up straight.

"You are the cutest thing on the face of the earth." Once again, you were completely serious. His whole face bloomed red, and he brought his hand to his mouth, trying to hide his giddy smile.

"Come on, keep going, we didn’t finish." You pushed the paper toward him, but he just glanced at it.

"Questions." You poked the paper.

"How long have you thought I was cute?" He put his hand down, the embarrassment dissipating and turning to smugness.

"Forever, continue." Paper was shoved. Finally, he picked up the packet and when his face was hidden, you released a rush of air to try and calm down.

"On a level of one to ten, how cute am I?" Man, he was like a dog with a bone. You rolled your eyes.

"Eleven."

"How long have you liked me?" That threw you off a bit.

"I never said I liked you-" You tried to play it off. He put the packet down.

"You think I'm cute." He smirked.

"Puppies are cute, bunnies are cute, you are cute. In what world does that mean I like you?"

"Why do you have the hoodie I lost a few years ago in your closet?"

"H-how did you know about that?"

"Saw it in the picture on your story when you were modeling the animal onesies you two got to match."

"It could have been any red hoodie; how did you know it's yours?"

"I didn’t…not until now. Plus… it’s way too big." He smirked and your violent intentions flared to life.

"You little shit!" You scolded and he guffawed. You were sure your face was as red as that sweatshirt.

"How did you even get it?" He questioned and you exhaled harshly.

"I was at your house when it was just me and your sister. We had ordered pizza, but I was in my bathing suit since we were playing with the hose outside in the heat. The doorbell rang and I wasn’t answering the door in my school swimsuit, so I grabbed the first thing out of the clean laundry I could find." You shared and he hummed.

"Just you in my hoodie, hm?" His gaze had changed, and you weren’t sure how to feel.

"Oh, hush, pervert." You mumbled, glancing out the window at the setting sun. You heard the chair scrape on the floor, then felt him standing next to you, close enough to feel his warmth. Turning to glare up at him, your neck cracked having to bend back too far. He was so close. If you breathed too deeply your chest would brush against him. That thought made your breath hitch. Do not breathe. However, the air was stolen from your lungs when his hands, his BEAUTIFUL hands, cupped your jaw.

"Can I kiss you?" He whispered, his lips already slightly touching yours.

"Ye-" You didn’t even finish your acceptance and he instantly latched onto you. You whined, any sass draining from you instantly. Carefully, you lifted your arms and clutched his shirt above where it was tucked into his jeans. His hand moved from your jaw to back of your neck, deepening the kiss. His other hand ran down your arm and settled politely on your waist. Doyoung finally pulled away and your breath came out harsh, sucking in air. After your lung's respite, he was on you again, this time his tongue snuck past your lips, brushing at yours. You gasped and he swallowed it, backing you up till your back hit the wall. Both hands ended up pinning you in as he placed them on the wall and your hands left his side the clutch the fabric over his chest. Once again, he pulled away right as you needed to tap out for air. A small trail of saliva connected your lips, and he licked over his own, breaking the connection. He moved to bend down, most likely to kiss your neck, but you stopped him.

"We can’t, not here. Your sister could come down any minute. At least let me get the rest of my stuff. We can go to my place, it’s closer." You whispered and he backed up a bit.

"Don’t you live in a dorm?"

"Yes, but my roommate works nights." You were still so close that your lips brushed as you talked. He grunted, backing up, and you moved toward the door so fast, you almost slipped. Your left sandal came partially off, and you fixed it, before shuffling rapidly out and upstairs again. Being as quiet as possible, you entered her apartment and grabbed your other things, shoving them in your bag. You bumped your leg on the table as you moved around and fought back a grunt. His sister was still asleep, so you laid a blanket over her shoulders and shut the windows, hitting your leg again on the other corner of the table. Coming down about five minutes later, you saw he was behind the counter when you reentered, probably finishing last-minute business. You shoved all your study materials haphazardly into your bag and then waited patiently for him to finish. You were sure you looked EXTRA sexy with frizzy humidity hair, panting like an old dog with two still-forming bruises on your shins. He went into the back then came out with his own bag and smiled innocently as he met you.

"Ready?" He whispered directly into your ear, and you wanted to scream YES! but refrained.

"Yep." You tried to stay casual, and he chuckled. He led you outside and across the street to his car. It was nice, not super fancy, but still pretty nice. It was a dark blue with black leather seats. You weren’t sure your bare, sweaty thighs would love the upholstery. Getting in, you threw your bag in the back along with his and before you could reach for your seatbelt, he was doing it for you. Right as he clicked it, he gave you a brief peck on the lips. He went to start the car and your hand flung out to rest on his arm.

"Wait…I need to know, what- how do you feel about me?" You did not want this to be a one-night stand, a fling. You were pretty sure this was more than a crush, could be full-on love, and you didn’t want your heart broken. Especially not by him, anyone but Doyoung. His gaze turned to you, soft, and he sighed.

"Honestly, it was last year that I really realized what was going on. It was your birthday party at the noraebang, and you were singing with one of the guys there. I don’t remember his name. Anyway, it was a romantic duet and despite the fact that he could sing, and you cannot-"

"Hey!"

"I couldn’t stand seeing you so close to another guy. Watching you struggle to read the prompter because your contacts weren’t the right prescription, was just so freaking cute. Then you smiled at me so brightly when the song ended, at least I saw it that way. I only wanted you to smile at ME like that. I've been hiding it, because I didn’t think you would want to go out with your friend's big brother…" He tapped awkwardly on the steering wheel, giving you a sheepish look.

"My dude, that is like the most popular trope in fanfiction, you realize that right?"

"Really?"

"Yeah, that and a daddy kink-"

"Okay, thanks, that's all I need to know!" He sighed again.

"I really, really like you." He finished and you brought your hand to rest on his, wrapping your fingers around his, resting them on the center console.

"I really, really, really like you." You emphasized the third really. He smiled sweetly and leaned in to kiss your forehead.

"If this is too fast for you-"

"I have been waiting YEARS for this. Drive!" You pointed forward and he laughed, doing as you said. Once you got to campus, you directed him to the parking lot nearest your dorm building. There were still people walking about in the dusk light, and you grabbed your stuff and his hand, leading him inside. Going up to your floor, you drag him down the hall, awkwardly nodding to your neighbors. They were gawking at Doyoung, and it pissed you off. You grumbled as your keycard refused to work the first time, getting more upset that you were letting them eye-hump your man…In reality it was probably because there was a dude there, not what he looked like. You finally saw the light turn green and heard the lock click open. Shoving the door open, you yanked him inside. Throwing your bag on the floor, you used your card to enter your room as he looked around the tiny dorm living room. Another room was across from yours where two other girls lived.

"Don’t worry these walls are REALLY soundproof." You reassured, shutting the door as he entered.

"How do you know that?" He smirked and you rolled your eyes.

"Because if one of them ever brings a guy, I don’t hear anything." You motioned vaguely. While your room was clean, bed made, you panicked upon seeing your rabbit stuffed animal on the bed. You grabbed it, its name might or might not have been Doyoung, and yeeted it into your closet.

"What are you hiding?" He teased and you closed the door to the closet, before being backed into it.

"Nothing." You tried to cover the act up by resting your forearms on his shoulders, linking your hands behind his neck. He hummed suspiciously, bumping your forehead with his, before very softly kissing you. It was different than before, this felt more like love than lust. It made your head swim more than the previous kisses. He pulled back after a much shorter time, and he ran his hands over your frizzy hair.

"You're beautiful." His soft voice made you want to cry.

"So are you," You brought him down to your level again and he wrapped his arms around you, pulling you so close you could feel the buttons of his shirt dig into your stomach. One hand drifted to your short-clad ass and gripped. You let out a gasp and his tongue once again invaded. He was the best kiss you'd ever had. You also had a feeling he was about to be the best in other ways too. Disconnecting your lips, he moved down, laying wet kisses and sucks on your neck. You let out a shaky exhale as he sucked over your pulse. You knew the position he was in was probably not comfortable, having to bend over so far due to his height.

"Move to the bed?" You offered and he laid one more kiss on your neck, then pulled back to allow you both to move. You barely sat down on the bed before he pushed you lightly onto your back and crawled over you. He stared warmly down at you for a second, then shoved his knee between your legs, grinding his thigh into you.

"Ah!" You moaned softly and his lips reattached to yours. He dominated the kiss, and you were totally fine with it. As his tongue wrapped around yours, your hands flew to the buttons on his shirt, shakily undoing them as quickly as you could.

Much to your disappointment, he was wearing a white tank top underneath, hiding his bare body. He broke the kiss to remove the shirt and…fuck. Just seeing his bare shoulders did enough for you... While to many that may not be sexy, that was the most of Doyoung's skin you had seen. He smirked at your gawking, watching your reaction as he removed the tank top and let it fall to the floor next to the bed. Despite the fact that you had never heard of or seen him work out, he was nicely toned. For a man who liked to lie in bed all day, he had a nice body.

"Your turn," He argued when you tried to kiss him again. You swallowed, nervous, but none the less sat up to remove your own tank top. You were in a sports bra underneath, super sexy, and you hesitated, but removed it as well. Instantly, he was on you. He manhandled you to wrap your legs around his waist, and his lips latched onto a nipple. You sighed at the feeling, never being much sensitive there, but since it was him, you actually shivered a bit…He let go with a pop and you felt a surge of adrenaline, pushing him off. He landed on his back, using his elbows to prop himself up. Before he could question you, you straddled him, running your hands over the smooth skin of his chest and stomach.

"You have no idea how long I have wanted to see you like this." You whispered and he huffed in amusement. As you stroked his skin, his hands grasped at you, linking his fingers through the belt loops of your jean shorts. With a handle to hold onto, he pulled you down and grinded up into you. Since you were both wearing denim, there wasn’t a ton of sensation, but the act itself made you both groan. You could tell he was getting harder by the second, and you were sure your underwear was already ruined. He continued to grind up into you, making your hands falter.

"Okay!" you declared, climbing off of him just enough to move down the bed and fumble with his belt. He seemed shocked, but when he tried to protest you shot him a glare. He relaxed back onto his elbows again as you undid his pants. You rubbed his cock through the fabric of his boxers, salivating slightly. Finally pulling him out, you gasped, staring at him. While not absolutely huge, he was bigger than anyone you had been with before.

"(Y/N)-" Doyoung's thought dropped off when you ran your tongue up the length of him. Unfortunately, no moan or groan came out, be he did let out a harsh exhale. You had no idea how long you had wanted to do this, and no one, not even him, was going to stop you. Not that he wanted to stop you. After a few more licks and kisses, you wrapped your lips around the head and began to descend. Finally, he let out a light groan and it sounded heavenly. You couldn’t get all of him in your mouth without using your throat, so that’s what you did. When your lips met the skin of his pelvis and you swallowed, his arms gave out and he flopped onto his back. His gorgeous fingers dug into your scalp, gripping your hair but not moving you. You swallowed again and then began to bob your head, taking him into the base each time. He was getting louder, and his noises made you moan.

"Fuck!" He cursed at the vibration. So, you did it again.

"(Y/N) if you don’t stop, I'm gonna cum." He warned. You didn’t stop. You wanted him to cum down your throat. Continuing, if not increasing your pace and sucking strength, he let out a whining moan and thrust up slightly as you felt his cum shoot down your throat. Swallowing it all down, you slowly pulled off as he caught his breath. He looked up at you as you made sure to get every drop that had spurted around your lips. Seeing that did something to him, and he shot up, pining you down roughly against the bed. You squeaked in surprise as he rapidly undid the button of your shorts and yanked them off. He paused at your panties; they had little ducks on them. He gave you a look, to which you shrugged, and then those too were yanked off. You watched as he took his fingers and ran them up your soaked slit. You moaned, eagerly anticipating him fingering you. His hands were just so-

"Doyoung!" He had suddenly shoved a finger inside of you. He quickly found your sweet spot, surprisingly so, and the pleasure shook you. Without warning he added another finger, scissoring them as you tried to catch your breath. Hovered over you, waiting till you got enough air for him to kiss you. When you could finally breathe easily, his lips attached to yours, his tongue wrapping around yours. You were in heaven, and he wasn’t even fucking you yet. You weren’t sure you could handle the pleasure. He left your lips, and you threw back your head, the pleasure of his now three fingers building rapidly.

"Oppa, I'm gonna cum." You moaned and something about the pet-name got to him, and his movements intensified, his thumb moved to your clit.

"Then do it," he ordered, and you saw white. He continued his assault, helping you ride out your orgasm. Before you got too over stimulated, he pulled his fingers out, bringing them to his mouth to suck your juices off. You gaped at him, body feeling limp. By that point he was completely hard again, and he spread your legs, placing one knee up over his elbow, rubbing the head of his cock against your still twitching hole.

"Oh, please-" You encouraged, and he slowly began to ease into you. The stretch stung a bit, but the overwhelming feeling and emotions overpowered it. As he slowly got deeper you tried desperately to not cum again so soon. Having Doyoung inside of you, finally, was better than you ever dreamed. He finally was in all the way, barely bumping your cervix. You felt so full.

"G-give me a second." You gripped his biceps, controlling your breaths to get used to the feeling. He kissed over your face as you got used to him, ending with a soft peck to your lips.

"Ready?" He questioned and you nodded. He started slow, barely pulling out before going as deep as he could, grinding his pubic bone against your clit. Your breath hitched each time.

"More." You pled and he smirked. He hitched your other leg up as well then began to thrust harder, pulling out halfway before slamming back in. You could already feel an orgasm building, it made your head swim. Nothing had EVER felt this good. He continued the half-thrusts and after a particularly hard grind you came undone again. It shocked both of you, and he halted his movements as you clenched around him. His brows furrowed at your tight walls fluttering, trying hard not to cum himself. He wanted to give you the most pleasure he could before he finished. Once your orgasm had calmed, he began the slow pace again. He quickly built speed though and you practically screamed when he began to fuck you in earnest. You were were practically bent in half as he loomed over you, fucking you into the mattress. Your hands flew up to grip at his bare back, your nails dragging and leaving red lines. Doyoung groaned at the feeling and dug his own nails into your thighs. The slight prick of pain excited you, more than you thought it would. That was something to be explored later, though. All of a sudden, he pulled out and you exclaimed.

"What-!" With much more strength than you thought he had, he flipped you over onto your hands and knees. You barely kept your balance before he slammed back in, knocking your arms out from under you. Your front half fell to the bed, and you gripped the sheets to hold on for dear life. He was deeper now, each thrust ramming his head against your cervix. Tears pricked at your eyes; the pleasure so intense you almost weren’t sure you could handle it. Then, his hand came down harshly on your ass and you yelped.

"Fuck, do that again please." You pleaded and you could practically hear him smirk. He landed another hit, on the other side this time, most likely leaving a big red handprint. The somewhat flimsy wooden bed frame provided by the college rocked, the headboard knocking into the painted brick wall. If you weren’t being fucked out of your mind you would have made note that despite the unsteadiness, a lot of students had probably done something like that. That alone proved the resilience of the beds. Your hands above your head were gripping your sheets hard, and his hands left your hips to cover yours. He linked his fingers with yours, his thrusts getting slightly off rhythm. As he fucked his cock into you, each time he buried fully back into you, more of your braincells floated away. Nothing else came to mind but your impending orgasm.

"Doyoung…gon-gonna cum~." You whined.

"Me too, hold on a bit, princess," he grunted, leaning over you more, one arm wrapping around your middle, so his hand laid on your lower stomach. His thrusts got shallower, but no less deep, pressing on your tummy to feel himself inside you.

"Cum inside." You told him and he almost outright stopped.

"I'm on birth control pills, please cum inside." You pleaded and he swore several times, grinding into you. When you felt his hot cum shooting inside, it knocked you over the edge. You saw stars and swore you blacked out for a few seconds. When you came to, he was pulling out and a great deal of fluid was flowing down the inside of your thighs.

"You squirted." He informed and you barely registered what he said.

"Huh?"

"You soaked me." He chuckled and you propped yourself up to look back at him. You gaped at the very obvious splatter of wet covering his lower half.

"Shit! I'm sorry! I've never done that before!"

"Shh, it's okay. It was hot." Doyoung chuckled and you sighed in relief. You slowly let your body fall to the bed till you were laying on your stomach.

"Where’s the bathroom?"

"Second door across the living room." You waved your hand, already feeling drowsy. You listened as he partially clothed himself, pulling his underwear and pants back on, then left your room. Since you didn’t hear anything, you assumed your roommates were not home and he came back with a warm, damp washcloth. He was incredibly attentive and helped you clean up. Slowly, you sat up as he threw the towel on your dirty laundry. He picked his shirt up off the floor and handed it to you.

"I have clothes to change into," you pointed at your dresser, and he shook his head.

"Please?" He gave you a smug look and you narrowed your eyes at him. Snatching the shirt from him, you buttoned it up and you smiled at how the fabric pooled over you. The sleeves went past your hands, and you could practically wear it as a dress and still be decent to go outside. He sat on your bed, and you just stared at each other for a bit.

"Will you be my girlfriend?" He asked, almost sheepishly. You furrowed your brow dramatically.

"What kind of question? YES, of course!" You glared and he laughed, tackling you. Since you were on a twin sized bed, you both could barely fit. He pressed his back against the wall and hugged you so close to him there was still a good four inches of bed at your back. You buried your head in the crook of his neck and reached to pull the comforter over you two.

"What about when your roommate comes home?" He asked as you cuddled. You glanced behind you at the clock.

"I'll text her; she can sleep on the couch." He reluctantly let you get up to retrieve your phone. You stood, texting, and he admired you in just his shirt.

"Be nicer if it was red."

Masterlist

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