Thanxx for the suggestion ThirstyForSanhwa 💜

It's been a while since I've written smut ok 🤡 bear with me...

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July tenth was a special day in the house. Why? Well it was quite obvious. After all, it was Choi San's birthday and his boyfriends would make sure you didn't forget it.

Seonghwa had made sure every inch of their penthouse was decorated for his boyfriend. He hired a caterer to make all of San's favourite foods, a tailor so San could wear the best outfit for his special day and invited everyone he knew to throw the most amazing party possible. As the best event planner around, he would make sure everything was perfect for his baby.

"You're wasting your time, Hwa." Said Wooyoung, coming behind his partner and wrapping his arms around his waist. "You know he'll love my gift ten times more."

Regardless of how competitive he sounded, Wooyoung still received a kiss on the cheek from Seonghwa. "It's not a competition," he said, scolding tone earning nothing but an eye roll from the younger. "What are you getting him? A private room in your club?"

"Even better," a smirk formed on his mouth, licking his top lip with tangible lust. "I'm going to fuck our baby boy until he can't stand. I've already got the cuffs ready."

Seonghwa grimaced at how vulgar he sounded but didn't get to comment before another voice entered the room. "Not without me you won't," Hongjoong remarked, skipping down the stairs to meet the pair.

"Honestly you two. This is the day to treat Sannie like the prince he is. Not wreck him into the next dimension."

"Why can't we do both?" Hongjoong pouted. The scowl Seonghwa gave only made him chuckle as he stood on his tiptoes to kiss his forehead. "I hardly get any time out of the office. If I'm gonna be out, I might as well spend it by giving our baby the best treatment I can."

Wooyoung nodded in approval, sharing a mischievous look with his older boyfriend. "Keep it in your pants for two minutes, will you!" The eldest groaned. "That's probably the last thing he wants. Please tell me you're joking."

"Of course we are, Hwa! Relax." Seonghwa glared at the blonde. Yet Wooyoung scampered off and towards the stairs, completely unbothered by his critical glower. He knew how much effort he put into this party and good for him. But Wooyoung had his own plans in mind for their baby boy.

Ignoring Hongjoong's warning not to wake their other partner up, Wooyoung raced to his bedroom. Slowly, the door to San's room creaked open, the boy himself wrapped in his silk sheets, fast asleep. He looked ethereal laying there, the bright sun washing over his beautiful body, highlighting each of his sharp features.

His peaceful snores sounded so cute, it would be a crime to wake him up but it would also be a waste to leave him be. Wooyoung was tactful with the way he approached him, opposed to the obnoxious way he would leap onto his partner. San squirmed as he felt a finger boop his nose, a light whine escaping him that made Woo chuckle.

"Sannie, babe. It's time to get up."

"Don't wanna..." The older male murmured, pulling the sheet over his face. A smile cracked on Wooyoung's face. He was just so adorable.

"But Sannie, it's your birthday today," Yet another whine came from him. "And the hyung's made you breakfast. Pancakes, waffles, cookies, everything." That was what finally garnered his attention. He peeked his head out from under his blanket, the grin on his lips being extremely evident. "There's a good boy. Come on love, I'll carry you."

Hoisting San onto his back, Wooyoung made sure to keep a good grip on him as they went back downstairs. He had enough foresight to avoid the living room since he knew that was where Seonghwa had set up for his party. Not only did he want it to remain a surprise but he wanted to keep his head at all costs so he steered clear of that area as if it were the plague.

San's eyes widened with delight at the fabulous display in front of him. The seat at the head of the table was free, decorated with a pretty purple bow and his name. Everything Wooyoung mentioned was there and more. "Happy birthday, San!" Exclaimed Seonghwa.

The birthday boy received kisses from each of his boyfriends. A sweet, slow one from Hongjoong, slightly rougher one from Seonghwa, resulting in his hips being grabbed then a full-blown make-out session from Wooyoung, the most shameless by far.

Regardless of how much air San had to gasp for, it didn't stop him from beaming brightly. "This is so good!" He said the moment he took a bite of his pancakes. Seonghwa smiled to himself, happy that he enjoyed them.

"So Sannie, what do you want for your birthday?"

San jutted his lip out, tilting his head to the side and humming. "Well...I'm not really sure how I should say it."

"No need!" Hongjoong shouted suddenly. He was already dressed and ready for the day, Gucci bag in hand and his sunglasses rested atop of his brown hair. His smile was one that made Wooyoung and Seonghwa eye him curiously. What could he have planned? "Get dressed Sannie, you and I are going out today."

The male in question was surprised but didn't hesitate to leap from his seat and rush back to his bedroom to get ready.

"That's not fair!" Whined Wooyoung. "I was gonna take him out first!"

"You were going to make him stay at your club all day. We all know you spend more time there than with us."

Seonghwa rolled his eyes and began to clean up the empty plates. "Says the CEO who comes home once a week..."

---

San always loved spending time with Hongjoong, especially since it was something he didn't get to do often. His boyfriend was always working and if he wasn't busy at the office he was busy at home. It was a mutual feeling amongst all of them that Hongjoong was away too often. So he was glad he was making time for him on his birthday.

Hongjoong was willing to buy him whatever it was he desired. Shoes, clothes, toys, anything. Even the things San swore he didn't need, Hongjoong didn't care. He was going to make sure his Sannie was spoiled today.

They entered a clothing shop and Hongjoong told San, "Choose whatever you like, I'll buy you anything, kitten." The nickname made him blush. He loved it when Hongjoong called him that and it had been a while since he had heard it. Smiling, he hopped off to one of the racks, shifting through to see his options.

There wasn't much he liked but towards the end, a pair of shorts caught his attention. He told Hongjoong to wait by his dressing room so that he could model them for him.

The shorts were small, very small and even if San didn't have the biggest ass in the world, these trousers worked wonders for his frame. They hugged his waist in all the right ways, showing off his curves to the world and the thought of what Hongjoong might do when he saw him in this excited him.

Just as instructed, Hongjoong waited in a chair outside of the dressing room, awaiting whatever it was San had to show him. He read through a magazine to keep himself occupied but it was swiftly tossed to the side when he felt a presence make their way onto his lap.

The brunette raised his brow, eyeing the interesting fit San had on. It left nothing to the imagination, that's for sure. "Well? Do I look nice?" Asked San with a sweet smile, though he was hoping for a less than gentle reaction.

Hongjoong bit his bottom lip, nodding. "Very nice. Gonna wear this for us when we get home, kitten?"

"Do you want me to? Sir?" He put special emphasis on the title while adjusting himself on Hongjoong's lap. The way his movements were eyed so curiously made him smirk. "You're awfully quiet..." San knew exactly what he was doing and he hoped Hongjoong would play along.

"I'm just wondering how much this cost. Doesn't matter. Toss them in the cart, let's get going." A few pats to his thighs later and San had been kicked off of Hongjoong's lap. He stood there, mouth wide open and confused. Usually, Joong would jump at the opportunity to have sex with him. Why would he avoid it today of all times?

An hour in and they nearly had a full cart of gifts. Even though San wasn't the most material person in the world, he was happy he got to spend time with his partner for once. Just as they were getting ready to leave, his eyes landed on a store filled to the brim with plushies.

Hongjoong felt a hand tug at his sleeve, gaze travelling on the place San was excitedly pointing to. "Can I get the big one, please?" He pleaded, eyes big and his lip jutted out in a pout, all of which made his boyfriend chuckle.

"Of course princess, you don't have to beg for anything today."

San clutched that plushie for dear life once they left the mall, even if Hongjoong offered to hold it for him, he refused to let go, burying his face deep in its soft fabrics. The older laughed and ruffled San's hair affectionately, then bent down to kiss the top of his head.

As they loaded the absolute mountain of gifts into Hongjoong's trunk, a horn caught their attention, startling both men. They turned around, a sleek black car pulling up behind them. "Get in bitch," Wooyoung exclaimed towards San once he had rolled down his window. "Joongie can deal with all that, I'll show you a real good time."

The birthday boy smiled and quickly tossed his stuffed animal in Hongjoong's hands. "Really Wooyoung?" The brunette groaned while San sprinted to the passenger seat.

"What? You've got a lot of work to do, getting all that stuff home. I'm gonna take our baby out and give him some actual fun." He started the engine, arms hung lazily around his giggling boyfriend's shoulder. "See you at home, Hongjoong!"

Those were the last words he heard before the car zoomed off, leaving Hongjoong fanning away the whirlwind of dust it had created.

Wooyoung was the owner of one of the hottest clubs in town, The Real. Even if it was only 3 pm, it wasn't a problem, the place was packed no matter the time of day. He pulled up to the building, tossing his keys to the man who opened their doors and strolled cooly past the long line of people, his arm wrapped soundly around San's small waist.

Blaring lights washed over the pair the moment they walked in, thumping music filling their ears and ringing through their heads as an explosive energy surrounded them, lively as always.

Time was always nonexistent in The Real. All it did was limit the fun and there was no way in hell the party-goers were letting that happen. It was safe to say, neither Wooyoung nor San took note of how long they had been there. One shot, three shots, six shots, they hadn't kept track of how much they drank, they simply could care.

All they focussed on was each other. San had been grinding against Wooyoung the entire time. Every chance he got, his ass would be pressed against his crotch, moving it back and forth to get some sort of reaction out of him.

And what a reaction he got. Wooyoung had him pinned against a wall, slammed there for the world to see. "So desperate for daddy's cock, huh?"

"W-Woo, everyone's looking at us..." The older whimpered, a reaction that made his partner chuckle. His humiliation was always something he got a kick out of, not in a mean spirited way, of course.

"Let them. You didn't seem to mind when you were grinding against me like a little whore." He was right. When he was with Wooyoung, San couldn't help but be a little risky. It was all worth it for the rough way he treated him. "Just because it's your birthday, doesn't mean I'll go easy on you."

San's lips were attacked, hardly given a moment to breathe when Wooyoung brought him into a kiss. It was the kind he had no hope of dominating, mouth engulfed by the way his partner so easily took over. "I don't care what Seonghwa says," The club owner finally rasped out. "I'm going to fuck you into next week, babe. Right here. Right now."

Every ounce of that confidence faded, however, when someone from behind cleared their throat. "You don't care about what I say, is that so?" Wooyoung grimaced at the voice of his oldest boyfriend, sucking in a nervous breath as slowly moved away from San. The other male grinned at Seonghwa anyway, despite how the blonde avoided eye contact.

Seonghwa grinned back but it quickly faded when he looked back at Wooyoung, whom he quickly snatched by the ear and proceeded to pull out of the establishment.

San could help but be a little disappointed that things didn't go any further, pouting as they left the club. Why are they being so hard to get today?

---

"SURPRISE!"

A crowd shouted when the trio entered their penthouse living room. San covered his mouth in shock, making no effort to fight off the bright smile on his face. He looked towards Seonghwa, knowing full well that he was the one who planned this and jumped into his arms to give him a big hug.

The older embraced him right back, sending both of his other boyfriends a victorious look. "What happened to this not being a competition?" Groaned Wooyoung when noticing the taunting look from Seonghwa.

"Says the one who pulled up to the mall in his Ferrari just to sweep San off his feet. Good god, I need a drink." So drink they did.

San and Wooyoung were already a little wasted after the club scene so now it was Hongjoong and Seonghwa's turn to catch up. Woo and Hwa had the highest alcohol tolerance by far, seeing as they were constantly drinking champagne. The other two? Not so much.

Hongjoong was lazily dancing with Wooyoung, the blonde taking the opportunity to do what he didn't get to with San and continuously grinding against him, murmuring suggestive phrases to the drunken male that made him giggle.

Something about their whole exchange made San irritated. It was his birthday, not Hongjoong's. Why should he get touched like that while San was left with nothing?

Instinctively, he went to Seonghwa, knowing the older would give him what he wanted. Seonghwa turned from the conversation he was having to look at his boyfriend, saying, "Hold on just a sec baby," and looking back at his guest. Then he felt another tug. "San." He said sternly.

There was something about the tone of his voice that made San's eyes water. "Oppa~" He whined, garnering an interesting look from his partner. " 'M horny..."

Seonghwa bit his lip. Truth be told, he had held a lot back today. Hearing what Wooyoung and Hongjoong wanted to do with San excited his own fantasies. If he was asking, why should he ignore them any longer?

So without another word said, the birthday boy was hoisted in the air, legs wrapped around Seonghwa's waist for support, and carried upstairs. This obviously caught the attention of the other two, who shared a look before racing to meet them, excusing themselves from the crowd of guests.

"Slow down Sannie," Seonghwa chuckled as he set his partner down on the bed. San had been withering in his grip, trying to get as much friction as possible while attempting to kiss the older's neck. "What would the others say if they saw you like this? All hot and whiny."

"We'd say move over Hwa, you can't keep him to yourself," Hongjoong closed the door behind him as Wooyoung already began to remove his clothes. "You bastard, you chided us for being horny but you were the first one to take him to the bedroom!"

"I'm only solving our baby's problem," He said in regards to the bulge in San's pants. Under their intense eyes, he couldn't help but feel a bit small yet he wouldn't dare to complain.

"Enough talk," Wooyoung made quick work of San's shirt, tossing it to some obscure side of the room. San shivered at the intrusion of cold on his skin but it only made the younger male smirk. "All you had to do was ask." He whispered while removing his pants.

Hongjoong had stepped away to rummage through a few drawers, pulling out a pack of condemns a moment later. "No," whined San, withering impatiently on the bed. "Wanna feel you."

"Oh? Look at this you two," Carefully, Wooyoung wrapped his fingers around a plug and pulled it out, making San wince after having it in there for so long. "Our baby boy is already stretched."

Seonghwa cooed. He moved onto the bed and over to San, pushing his dark hair out of his face. The younger seemed embarrassed that he had been caught like this but Seonghwa smiled anyway. "Poor baby, this is all you wanted, isn't it?" San nodded shyly, doing his best to look down. "Don't be shy sweetheart. Here, I'll be the first to make it up to you."

Hongjoong and Wooyoung could be heard groaning from afar as both of them had wanted to go first. Regardless of their complaining, Seonghwa grabbed a bottle of lube off of the bedside table, carefully coating his member in it and positioned himself at San's entrance, spreading his legs and peering down at him. "Ready?"

"Y-Yes oppa." Hearing the name, a smirk formed on Seonghwa's face and he pushed his length in without any further hesitation. San moaned at how quickly he went in but his quick pace didn't stay for long.

Seonghwa liked to make love to his boyfriends. He was slow but with purpose, easing them in before he ramped things up. "So cute, all flushed and red under me." He sighed, rocking his hips back and forth. "Such a pretty boy, aren't you, Sannie? Who's my pretty boy?"

"M-Me! I am, oppa!" Seonghwa smiled, going at a quicker pace in response. His fingers caressed San's sides, tracing every feature on his stomach while he rubbed him to keep the sub steady and not too overwhelmed.

His hand slipped under San's chin, bringing him closer to his partner's face. All of the younger's whiny moans were muffled by the sweet kiss Seonghwa gave him, a euphoric feeling shooting through his body from his touch.

It wasn't long before they felt the mattress shift when Wooyoung and Hongjoong crawled onto the bed. The smaller of the two bent down to place kisses between his pecs once Seonghwa had moved away, occasionally sucking on his nipples; while Hongjoong wrapped his fist around his cock, stroking it gently.

They matched the pace of whoever was dom at that moment and since it was Seonghwa, they were careful and slow. "You like that, hun? You like having three men fuck you so gently?" San nodded once more, releasing a strained groan at the vast amount of pleasure he was in.

"Oppa lemme cum, please let your baby cum!" Seonghwa hummed in approval, watching warm strings of cum spurt from San's tip and after seeing that, he wasn't far behind.

He heard Seonghwa grunt from above, signalling that he was close. "In or out baby?"

"In! Please, I want it all in me!" Per his request, he felt himself be filled to the brim with Seonghwa's semen, whimpering at the sticky feeling.

Once he was done, Seonghwa bent down and kissed San's cheek, caressing his face with a soft smile, "Happy birthday, Sannie." He whispered, proceeding to yank Wooyoung away from the bed, knowing damn well the next pair would need their space.

"You've been very naughty today, haven't you kitten?" Hongjoong murmured from above the panting birthday boy. "Teasing me in the store like that and touching yourself with a plug without permission. It may be your birthday but that doesn't mean I won't still punish you."

"I haven't done anything sir~" whined the sub. A harsh smack impacted his cheek, head flying to the side with a red mark left in the place Hongjoong had hit. A fist full of his hair was then pulled up, forcing him to lock eyes with the dom above him.

"Go easy on him, Joong," Seonghwa sighed from the side, groaning as Wooyoung sucked his cock.

"You fucked him your way, now I'll fuck him my way." He grabbed San's chin, yanking him forward. "Look at you, you love it when I treat you like this? Don't you, you little slut?"

"Yes sir," San whimpered. It took every ounce of self-control not to smile. He really did enjoy the rough treatment and Hongjoong knew it. A firm hit landed on his side and the younger shivered at the action.

"Turn for me, kitten." Doing as instructed, Hongjoong took a hold of his hips immediately. He didn't bother with lube. The cum in San's ass was enough for him. His hesitance was nonexistent and within a second, he was already balls deep in the sub.

San breathed heavily as Hongjoong entered him, his body handled roughly as he was slammed into at an aggressive pace; balls slapping angrily against his ass while the sub cried out from beneath him. "S-Sir!" He gasped, gripping at the sheets below as he panted. "Fuck! O-Oh god yes, just like that sir!"

"Use that mouth for something useful, will you? Wooyoung," The younger popped off of Seonghwa's tip upon hearing his name, wiping his plush lips of the older man's cum. "Give him a little more work to do, will you?"

Wooyoung grinned brightly and hopped over to the pair. He sent San a mischievous smile and a wink before telling him to open his mouth. He did as instructed, having yet another hole filled by someone's dick. Wooyoung took hold of the sides of his face, snapping his hips forward and moaning as his cock repeatedly hit the back of San's throat. Despite the harsh way he was handled, this was nothing new and the vibrations of San's moans went straight to Wooyoung's dick as his tongue glided across the base of it. "F-Fuck, Sannie."

Hongjoong yanked Woo into a kiss, slow and steamy just to taunt the boy below them. He wished he was the one being kissed, craving that intimacy. "Look up bitch," The blonde commanded, taking a hand full of San's hair and forcing his head up.

"Eyes on me," The older man growled towards Wooyoung.

"Yes sir," Eventually, both began to lose a bit of steam. San couldn't warn them that he was ready to cum and had to endure it all just a little longer, waiting for the others to catch up. Wooyoung released in his mouth and Hongjoong came a few moments after.

"Finally, now I can-"

"Nope," Said Seonghwa. He pushed the youngest of the group onto the mattress to make his way over to San. He wrapped his arms around his body, chuckling at the way he heaved in and out.

San's chest rose with exhaustion only to deflate seconds later. Sweat drenched most of his body and what it hadn't touched, the cum certainly had seen as he was covered in it. He was tired and in desperate need of a shower.

Honestly, he couldn't ask for a better gift than this.

"Sorry babe, was it too much for you?" Hongjoong whispered, planting a kiss on San's forehead.

"No it was perfect, thank you guys for the best birthday gift ever."

"I didn't even get to-"

"Shut up, Woo." Wooyoung could do nothing but pout. Nevertheless, he joined the trio on the bed and brought himself into their little cuddle fest. Heavy chatter from downstairs echoed from the floor below but neither of them really cared. The party could go on forever as long as they could stay up here together.

"Happy birthday, San."