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A Very Happy Birthday Party

A Very Happy Birthday Party

by gregarun1498
19 min read
4.74 (50400 views)
adultfiction
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"HAPPY BIIIRRRTHHHDAYYYYY!" yelled Jason and Jamie's parents and their two friends as they sat around their dining room table, staring at a big sheet cake. Their dad, keen on embarrassing them in front of their friends, started to sing an embellished version of the song happy birthday before their mother quietly put her hand on his and shushed him. Jason and Jamie's faces reddened a bit at this outburst, but quickly recovered.

"I can't believe my babies are turning into full-grown adults!" their mother gushed as she began to slice up the cake that had had "Happy 18th Birthday!" scrawled across it in frosting. She passed out big pieces to everyone at the table and turned to Jason's friend, Nick. "Would you like to go first in giving Jason his gift, Nick?" she asked.

"Sure!" Nick replied, a little too enthusiastically for Jason's taste. Nick lifted a small box from the floor beneath his chair and slid it across the table to his friend. Jason eyed Nick as he did so, noticing the smirk on his face the entire way.

Jason tore at the wrapping paper to reveal a nondescript box beneath, which he promptly opened. Inside was a base of tissue paper with a gift card envelope sitting on top. He grabbed the gift card and looked at it, noting the store and dollar value.

"Hey, thanks, man! This is awesome! I appreciate it!" Jason exclaimed and smiled at his friend.

"Hey, you're welcome!" Nick replied. "Oh, don't forget the other part of the gift below the paper," he said slyly.

The smile faded from Jason's face as everyone at the table watched him intently. He carefully lifted the tissue paper to reveal what was beneath it and quickly slammed the paper back into the box. "Jesus, Nick!" he chided his friend.

"What is it, dear?" Jason's mother asked.

"Yeah, Twinner, lemme see!" his sister Jaimie followed up. She and her friend Kylee were grinning ear to ear at the other end of the table.

"It's nothing, don't worry about it," Jason said quickly as he tried to put the box away.

Before he could grab the box, Jamie snatched it away from him and tossed the tissue paper aside. Her grin turned into a full open-mouthed gaping smile and her eyes widened as she pulled out a box of condoms, presenting them for everyone to see.

Jason and Jamie's dad started laughing as their mother sighed, looking knowingly at Nick. Nick, for his part, was smiling ear to ear, and Jason's face was beet red.

"Okay, that's enough," their mother said. "Jamie, put those away and give them back to your brother. And Jason," she stopped and looked at him. "I trust that if you'd like to use one of those, you'll do so discreetly. Your father and I are okay with sex, but we just don't need to know when you're doing it."

Jamie's hand flew to her mouth to stifle her laugh. Jason's face turned even redder. "Jesus, ma," was all he could say. Jamie put the condoms back in the box and slid it back across the table. Jason quickly put the box on the floor and kicked his friend under the table to stop him from laughing.

"Ooof!" Nick retorted from the kick. "It's okay, Mrs. Tate. Jason's more likely to use them to keep clean up with himself easier, than with an actual girl. Isn't that right, Jase?" he asked as he turned to smile at his friend. That earned him another kick under the table from his friend.

"Alright, boys," their father said. "Kylee, why don't you give Jamie your gift? And let's hope it's not as salacious as Nick's."

"No, sir, not at all!" Kylee responded. She handed Jamie a small box, which Jamie promptly opened. Inside was a charm bracelet and a gift card to a store.

"Thanks, babe! I love it!" said Jamie. They hugged quickly and then Kylee helped Jamie put the bracelet on.

They table delved into quiet as they all dug into their pieces of cake. When they had finished, Nick spoke up first.

"Anyone care for a game of pool downstairs?" he asked. "Guys against girls?"

Jason, Jamie, and Kylee all looked at each other, and almost in unison, said "Sure!"

Their mother began to clear the table as they all got up. "Keep it shorter, please," she said. "Everyone needs to be out in an hour."

"Yes, Mrs. Tate," Nick and Kylee said in unison. The two siblings and their friends then hustled down to the basement to set up the game of pool. At the bottom of the stairs, Jason diverted quickly to his bedroom to deposit the box of birthday gifts on his desk before joining the rest.

The Tate's had set up their basement as a teenage hangout space as the kids had gotten older. With Jason and Jamie being twins, they wanted a safe and somewhat private space for them and their friends to go without feeling watched. Even though they were turning eighteen, they would both be starting their senior year of high school in a couple of weeks. With late summer birthdays, their parents had held them back a year, making them two of the older kids in their class. Which made them somewhat of natural leaders when it came to picking who's house to hang out with friends.

The recreation room of the basement was set up with a pool table, dart board, wet bar with a refrigerator full of soda, and a TV area with couch and loveseat. On the other side of the basement was Jason's bedroom and next to that was a bathroom with a shower for him.

Nick set up a game of nine-ball on the pool table and handed cues to everyone before taking one himself and chalking up. He broke the rack and they all took turns taking their first shots.

Nine-ball was an easy game to follow. You simply had to sink each of the numbered balls in succession, starting with the one ball and ending with the nine. The only catch was you had to call your shot before each turn. They took turns based on teams. Nick had gone first, then Jamie went, then Jason, and then Kylee. Whichever person was successful in sinking the nine ball at the end meant that their team had won.

It took a little bit for each of them to find their groove. After a few rounds, Kylee got on a hot streak and was lining up a tougher shot on the eight ball. If she made it, she would have a slam dunk shot on the nine, clinching the game for the girls. As she bent over the pool table to line up her shot, Jason quietly came up behind her, within arms reach. Just as she was about to take the shot, pulling her cue back, Jason reached out and grabbed her ass, digging his middle finger as far into her crack as he could.

Kylee's cue nicked the cue ball as she jumped and yelped in response to Jason's fingers probing her ass through her jeans.

"You fucker!" she yelled as she whirled around to face him. Jason and Nick burst out laughing. Even Jamie was giggling to herself. "I get to take that one again, asshole!"

Jason, in between laughs, replied, "Yeah, I guess that's fair."

Kylee replaced the cue ball where it had been on the table and chalked up her cue again. "Hope you enjoyed that," she said. "Must feel nice to grab a girl's ass."

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Jason crossed the room and sat on one of the bar stool chairs to wait for Kylee to take her shot. "Eh, it was okay."

"Okay!?" Kylee said incredulously. "Just okay? Dude, you'd probably jizz your pants if I took my jeans off and let you grab my bare ass. So don't tell me it's just okay."

"Probably take a bit more than that," countered Jason.

Kylee raised her eyebrows and eyed Jason. "Oh yeah? Tell you what, after I make these shots and win the game, let's say I suck your dick and see how long it really takes?"

Jason's face registered a look of momentary shock. "Right here? Right now? Bet." he said.

Kylee laughed a bit at first. "What, right in front of Nick? No way. Gross."

"Hey!" Nick retorted. "I mean, I don't wanna watch anyway! But what do you mean in front of me? What about the fact that his twin sister is standing right here?"

"Yeah, gross," Jamie said meekly. She cast her eyes down to avoid any eye contact, but as she brought them up, she noticed Jason's bulge in his pants. Clearly the talk of getting his dick sucked was doing it for him.

"Whatever," Jason said. "Just take your shot."

Kylee smiled to herself then resumed her position at the pool table. She missed her shot on the eight ball by a fraction of an inch, setting up the next player perfectly. Nick whooped and hollered a little bit at the all-but-inevitable win. He quickly stepped up and easily sank the eight ball followed by the nine, securing the victory for the guys.

Jason came off his bar stool and high fived his friend. "Alright, you guys should probably head out now. I'll walk you upstairs."

Jamie and Kylee hugged and said their goodbyes and followed Jason and Nick up the steps. Nick bumped fists with Jason at the front door and hollered something about texting tomorrow before he ran off to his car. Kylee hung back for a second and stepped up to Jason as he turned to face her.

Kylee gave Jason a hug. "Again, happy birthday, Jason," she said. Then she leaned in and whispered in his ear, "And I was serious about the beej. Call me sometime." She pecked him on the cheek and smiled at him before walking out the front door and waving goodbye.

Jason slowly closed the front door behind her as the bulge in his pants started to return. He locked the door and started turning out the lights. He heard his mother at the top of the stairs and looked up at her.

"G'night, ma," he said.

"Good night, Jason. Tell Jamie good night as well. Don't stay up too late," she said.

Jason finished turning out the lights on the main floor and went back downstairs to the basement, closing the door at the top of the stairs behind him. When he entered the rec room, he noticed that Jamie had cleaned up the pool table and put the cover on. She was over in the TV area watching a show.

Jason joined her in the TV area, plopping down next to his sister on the loveseat.

"Whatcha watchin'?" he asked.

"Just garbage stuff. You wanna watch anything in particular?"

"Naw, this is fine."

They sat there for a moment just blankly staring at the TV screen. Then Jamie lightly smacked him on the arm and turned to her brother. "Happy birthday, Twinner," she said.

Jason smirked. "Happy birthday, Twinette."

"So, did you get exactly what you wanted for your birthday?" she asked and then giggled.

"Shut up," Jason said defensively.

Jamie kept on giggling. "I guess if Kylee had sucked your dick that would have really topped off your birthday, huh?"

"Shuuuuuutt uuuuppp," Jason groaned. He turned and faced his sister, who could not seem to stop her giggling at him. Then, she stopped and sat up and faced him.

"Well, I noticed it was doing SOMETHING for you, just talking about it. So don't try and tell me you wouldn't welcome it."

Jason snorted. "I mean, it would do something for any guy. Especially getting a blow job from his twin sister's hot best friend." Jason slyly smiled at Jamie, knowing that comment would get to her. The talk of having his dick sucked was, again, causing his crotch to stir and tighten his jeans.

Instead of being offended or put off, Jamie glanced down at her brother's crotch. Even in the dim light of the TV and the pool table lamp on the other end of the room, she could tell he was getting hard.

"What about if it was from..." Jamie trailed off as she reached out and lightly grazed Jason's thigh with her fingertips. "...from just your sister, instead of her friend?"

Jason visibly jumped. "What?!"

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Jamie giggled again. "Relax, Twinner. I'm just fuckin' with you." Although, stealing another quick glance, Jamie noticed that Jason was now incredibly turned on.

Jason, breathing heavy, relaxed a bit after a moment. "Jesus, Jame." After another second, he said, "What about you? Get everything you wanted for your birthday?"

"Yeah, sure," she replied, noncommittally. "I mean, I guess I would have preferred getting a vibrator or something, to counter your condoms, but I liked the bracelet," she said as she held up her wrist. Jason smirked. "Big plans for those condoms?" she asked.

"Oh, yeah. Big plans. Huge plans," Jason said, heavy on the sarcasm.

Jamie regarded her brother for a moment. She turned toward the TV, watching the show for a second, then turned back to him. "You're still a virgin, right?" she asked.

"Well, um, I mean, yeah, I guess," Jason said, tripping over his words.

Jamie giggled again. "It's okay, Twinner. I am, too. I just wanted to make sure I hadn't missed anything."

If the light had been any brighter, Jamie would have seen Jason's face turn beet red again. "Well, no, you haven't missed anything there. Still a virgin. Still haven't seen a girl naked," he said. "In real life, that is," he added quickly.

Jamie nodded along with his statement. "Yeah, me too. Seen a guy naked, that is. Seen tons of girls. Loads of 'em." She smiled broadly at him. Mentioning naked girls made Jason shift in his seat, clearly adjusting his erection.

Jamie was the first to break the silence. "Well," she said, taking another beat. She took a deep breath and then said, "if I show you mine, will you show me yours? Right now?"

Jason visibly gulped as he yet again shifted on his cushion on the loveseat. Then, slowly, he started nodding. "Yeah, I'd show you mine," he said.

They sat there for another minute, neither one of them moving a muscle.

"Do you wanna do it? Like now? How would you propose we show ourselves?" Jason asked. His question was all the okay Jamie needed. He clearly wanted this with her.

"Yeah. Yes. I wanna do it now," she said. "Let's do this." She started to stand. She took Jason's hands and pulled him off of the loveseat. They stood facing one another, the glow of the TV casting a dim light around them. "We'll each take turns taking off a piece of clothing. Pick any piece you like, but the underwear has to be the last, and we'll do that together. Sound good?"

Jason nodded in agreement. He could feel the strong pulse in his erection beating against the confines of his jeans. He felt like Jamie could see it beating at this rate. "Yeah, that works for me," he said, visibly gulping again.

Without a word, Jamie lifted her cropped tee shirt top over her head, revealing her bra-cupped breasts and bare midriff. She had an athletic physique that Jason had always admired, but was not too skinny. Jason couldn't tell what size her breasts might be in the bra, but he guessed at least a B cup, if not C. He ran his eyes up and down his sister, taking this new sight in, noticing her pierced navel. He imagined sticking his tongue in there and playing with the piercing as he went down on her. He was admiring the slight curve of her hips and the waistband of her jeans when she cleared her throat.

"Your turn," Jamie said as she pulled him out of his trance. Quickly, Jason lifted his tee shirt over his head and discarded it on the floor next to his sister's rumpled top. Jamie took her turn running her eyes over Jason's teenage body, noticing how toned his chest and stomach had become. Her eyes scanned down his torso, admiring his abs and the light presence of a treasure trail that disappeared into the waistband of his boxer shorts. She imagined following the trail of hair with her lips before she sucked his cock. She, too, lost in a trance for a moment, was prodded by Jason to take the next step.

Jamie hesitated for a moment thinking about what piece to take off next. She then decided to release the button of her jeans and undo the zipper. She slid them slowly over her ass, careful not to take down her panties, and then wriggled out of them. As they pooled at her ankles, she stepped out of them and kicked them aside, adding to the clothing pile.

Jason once again took in his beautiful sister, spending time carefully eyeing her panties, shapely hips, and her "V" area, before taking in her smooth and toned legs. As he continued to look her up and down, he undid his own button and fly, then carefully slipped his jeans over the bulge of his erection and down his legs. Following his sister's lead, he stepped out of the jeans and pushed them onto the pile.

Jamie cleared her throat and took a deep breath. Looking right into Jason's eyes, she said, "Okay, here we go. You sure you still wanna do this?" she asked.

"Oh yeah, I'm sure," he confirmed. The erection in his boxers twitched at the thought of getting to see his sister's breasts in mere seconds.

Jamie reached behind her back and unclasped her bra. As she brought her hands back around, the straps fell from her shoulders and she caught the bra right before it fell off and revealed her breasts. Then, slowly, she let it slide down her body and the straps down her arms before tossing it on the clothing pile. She stood in front of her brother topless with only panties on and let him take her in.

Jason's eyes were glued to Jamie's breasts. "Damn," he whispered. He flicked his eyes up to hers a few times, but kept staring at her pert breasts and erect nipples. "What size are they?"

Jamie giggled a bit, which caused her breasts to jiggle slightly. "They're C's. Not huge C's, but C's. You like?"

Jason visibly and, this time, audibly gulped. "Mmmhmmm," was all he could say. "Ca-...can I touch them?" he asked.

Jamie took in a small gasp in anticipation of this and stared at her brother. His eyes were still darting between her eyes and breasts. Nodding, she moved slightly closer to Jason, giving him the non-verbal okay.

Jason reached out with his right hand and gently palmed Jamie's left breast. He softly kneaded it in his hand before reaching up with his left hand to grab her other breast. He ran his thumbs over her nipples a couple of times, causing Jamie to gasp in pleasure and moan quietly. After a minute of groping her, he let his hands drop and she stepped back from him.

Jamie's body was on fire. The electricity of letting her brother touch her tits was amazing. She had never felt anything like it and was enjoying every second. Somehow, she knew that's not where the pleasure was going to end this evening. "You ready?" she asked him with baited breath.

"Yeah, I'm ready. Wanna go on the count of three?"

"Yes. Okay. Whew," Jamie breathed in deep. "One, two, three."

Once she said three, they both, in unison, slowly pulled their final piece of clothing down. They were both looking directly at each other's crotches as they did so, eagerly waiting to see the other's most private area. As their underwear hit the floor, they each stepped out of the cloth and added the items to the clothing pile. Then they stood in front of one another and let the other take in their nudity.

Jamie was quick to notice the size of Jason's erection and how it bobbed with each little movement he made. She could see the tip of his penis glisten in the TV light and she assumed that was his excitement turning into precum. She thought he looked to be about seven inches long and of average girth, based on some of the porn she had seen. He had a neatly trimmed patch of pubic hair above the base of his cock, but his balls looked to be smooth and cleanly shaven. Her mouth started to water with the idea of sucking on the smooth skin of his ball sack.

Jason kept looking at his sister's vaginal area, taking in the nicely trimmed V of pubic hair that sat right above her pussy. Jamie could tell he was trying to get a better look, so she said "Here," and spread her legs apart slightly. Now Jason could see his sister's engorged and glistening pussy lips tucked between her legs under her tuft of hair. He noticed how smooth the area around her vulva looked and how her pussy lips gently moved when she adjusted her stance. He started to smell the scent of her sex wafting up between them, which made his cock jump.

After looking at each other over, Jamie stepped closer to Jason and reached out with both hands and grabbed him at the hips. Jason instinctively tried to step back as she approached, but she wouldn't let him go.

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