The Party Group
Copyright© 2025 by Dionysos
Chapter 3: The Halloween Party.
Coming of Age Sex Story: Chapter 3: The Halloween Party. - Mia and Tilly were both innocent 14-year-olds, until they met Brett and Nick who introduced them to their swinging party group.
Caution: This Coming of Age Sex Story contains strong sexual content, including mt/ft ft/ft Romantic Sharing Swinging Cream Pie First Oral Sex
All through the next week, the girls had trouble concentrating on their schoolwork as they were dreaming about the party, but Saturday finally came around and both girls were excited to be going to their first party with boys. Both girls finished their chores in record time and Tilly went round to Mia’s after lunch.
“So, girls, are you going to show me your witches’ outfits?” Mia’s mum, Jules asked, amused by the girls’ excitement.
“Should we try them on?” Tilly asked.
Mia hesitated, she was a bit apprehensive about her mum’s reaction, but Jules encouraged them. “Why not. It will give me a better idea of the makeup you asked me to help you with.”
Tilly rushed up to Mia’s bedroom with Mia following slowly, not sure how her mum would react to their dresses. The girls stripped and then put on their panties, micro-dresses, stockings and witches hats, then carried their brooms down into the lounge.
“Wow! You both look amazing but far too sexy for 14-year olds!” Jules exclaimed. “You both look more like 17 and that’s before we do your makeup.”
“Well, there’s a prize for the sexiest witch, so we had to dress up a bit” Tilly explained, making Jules laugh.
“And as Dad is taking and collecting us, it’s not like we’ll be walking down the street dressed like this.” Mia added.
“Just don’t let your dad see you dressed like that until just before you leave. He’s a bit protective about his baby daughter. Put your school skirts on top until you get there, so he doesn’t make you change before you go.”
“Thanks Jules, that’s a great idea!” Tilly replied.
“Where did you find those dresses and stockings?” Jules asked.
“From a new boutique called Naughty in the mall” Mia replied. “Why? Are you thinking of getting a sexy dress?”
“I might, or maybe I could borrow yours for our next party! Now take those dresses and stockings off before your dad sees you.”
“Then he’ll just see us in our panties!” Tilly said, lifting her dress to show the tiny lacy panties.
“Don’t even think of flashing those at him, if you want to go to the party, and you know I meant for you to put something less sexy on.”
Some time later, the girls showered and did their hair. Tilly had a black rinse making her hair even darker and Mia had black streaks in her blond hair. Jules started with Mia’s makeup first with black eyebrow pencil, dark pink eye shadow and purple lips. Tilly’s eye makeup was almost totally black but Jules gave her bright red lips, continuing down the corner to look like blood dripping. Afterwards they put on their lacy black panties, black dresses and stockings. After checking themselves out in the mirror, they slid on their dark pleated school skirts over their dresses and put their capes on to hide their revealing tops. Mia’s dad, Rob was waiting for them in the lounge and was pleasantly surprised when they came in as he had been worrying that their party clothes would be much riskier than he would have liked.
“You look super, girls!” Rob enthused.
“Have a great time, girls!” Jules shouted as the other three walked out to the car.
When they arrived at Nick’s house, the girls got out of the car, slipped their school skirts off and threw them onto the back seat, revealing that their dresses were barely covering their panties and exposing a little naked thigh above their stocking tops. As they rushed past the driver’s door towards the house, Mia shouted “I’ll call you when we’re ready to come home, if that’s OK.”
Rob’s eyes nearly left their sockets as he stared at his young daughter, shocked at how sexy she looked and even more shocked at how his cock was stirring in his pants.
As they approached the house, Mia said “I’m so nervous!”
“Hide it and just pretend you own the place” Tilly advised.
The front door was already open and there was loud music coming from inside. Tilly went in first and found Nick with his arms around an older girl, also dressed like a witch.
“Hey Tilly and Mia, you both look seriously hot tonight! Welcome and come inside.”
“Hey Nick!” both girls replied, a bit unsure of themselves.
The girl Nick was with floated away as Nick said “You both look really amazing, let me take you inside to find Brett.”
There were couples in the hallway and on the stairs making out, but Nick led them into the lounge where the first thing they saw was Brett making out with a pretty girl a few years older than them. As soon as he saw the girls, he smiled and the girl he was with sidled away.
“Hey Mia and Tilly! You both look amazing! So pleased you could come.”
“Hey Brett” both girls responded, not quite as enthusiastically.
Let me get you a drink girls, what would you like?”
“Vodka and coke please” Tilly asked, “and we’re only allowed two drinks, so could you make it a strong one, please?”
“Same for me” Mia asked.
Brett smiled, and went to get their drinks. Mia realised that a couple of older girls she vaguely recognised were looking at them. They then came over towards them.
“It’s shy little nerdy Mia isn’t it! I don’t believe it! You look amazing!”
“Thanks” Mia replied, now recognising the two girls, Izzy and Tammy who were a year ahead of them at school and in the same soccer team.
“I haven’t seen you at our group parties before, so this must be your first?” Izzy said.
“Yep” Mia replied. “In fact it’s our first party with boys!”
“Exciting, but scary! Don’t worry. No-one is going to rape you, well at least if you don’t want them to.” Izzy said with a laugh.
Brett returned with their drinks but he had noticed a couple of his friends arriving, so went to greet them.
“Brett did tell us we should have fun with other boys too, but I’m not sure exactly what he meant by fun” Tilly said to Izzy.
“Well, most of the group have known each other for ages and previously dated at least one other person here, so we’re really good friends. All the couples are in exclusive relationships, but at our group parties that gets suspended, so you can do anything you like with any of the boys without it being considered cheating” Izzy explained.
“Anything!?” Mia gasped.
“Yep, anything” Tammy confirmed. “That’s why we restrict it to just people in our group, although you do have to use condoms with anyone other than your usual partner.”
“Will other boys expect us to have sex with them?” Tilly asked.
“I’m not planning to go all the way yet anyway” Mia said.
“The boys will respect that if you make it clear” Tammy reassured them.
Brett and Nick came over and took Mia and Tilly to a cleared area at the far end of the lounge where they started dancing. Soon, Tilly started sexy dancing, turned with the back to Nick and started grinding her bum into his crotch, giggling about how naughty she was feeling. He reached around with both arms and started playing with her tits, through her dress. Mia noticed and started giggling too, then did the same with Brett. His response was similar, except with her halter neck dress, his hands slid in the side of her dress to grasp her naked little breasts. She gasped but did not object and Brett smiled to himself. Her tits may be small, a nice handful, but her erect nipples were huge and she got so excited when he played with them. After a while, he withdrew his hands from inside the top of her dress and slid them down the outside, over her stomach and down to the gap between the hem of her dress and the top of her stockings where he felt her naked thigh. He caressed the soft skin at the top of her inner thigh with his thumbs just catching her panties as her moved his hands, making her gasp.
By now they had stopped dancing, so he led her to a sofa. There was already a couple making out at one end so he sat down and beckoned for her to sit on his lap. She realised that he might soon have her tits on display to the whole world, so she knelt facing him with one leg either side of his. She didn’t think that this would have the effect of her dress riding up quite so much to reveal her tiny black lacy panties, now in contact with his erection which was trying to burst out of his shorts. She leaned forward to kiss him and was initially surprised when only one hand slid up to fondle her breasts, but soon realised that his other hand was sliding inside the front of her panties. She had a sharp intake of breath as his fingers touched her engorged pussy lips. She made no attempt to stop him as he slid his fingers inside her hot, wet folds, eventually finding her dilating vagina. She hugged him tighter and kissed him passionately then, when his finger found her clit hood, she squealed softly.
“That’s sooo good, but my clit is super-sensitive, so please be gentle.”
He smiled to himself, not only was her clit super-sensitive, but it was huge! This young virgin was going to be the best fuck of his life, but he made a mental note to suppress his lust until she was totally ready.
Eventually, the music was paused and Nick shouted “It’s time for the highlight of the evening! The sexiest witch and the best wizard costumes. Would the guys line up at the end of the lounge please. Izzy! Over to you.”
The guys lined up at the far end of the lounge while the girls went into a huddle at the other end after a few of them took pictures. Eventually, Izzy announced “It was a close call, but Nick finally won the vote. Your prize is to select two girls to take up to your bedroom for a threesome!”
When the laughter and cries of “Fixed!” and demands for a recount died down, Nick said “Thank you girls, I would like Tammy and Tilly to join me upstairs but, before I do, will the girls please line up for the boys to decide who is the sexiest witch.”
Mia, Tilly and Izzy quickly went to grab their brooms and then lined up with them between their legs, as if riding them, but it still looked very erotic. The boys took lots of photos and then went into a huddle. Very quickly, Nick addressed the girls. “By a unanimous vote, the boys have selected Mia as the sexiest witch!”
There were whoops from the boys as Mia held her face in her hands, partly because she was embarrassed and could not understand why they would think her sexier than all the older girls, all of whom were definately sexy and partly because she guessed what was coming next.
“So, Mia, thank you for making the effort to come in the sexiest witch’s set up I ever saw and I’m sure you’ve guessed your prize of a threesome with the boys of your choice in the guest bedroom.”
“Thanks, Nick, I don’t think I deserve this, but I’m super excited! If Steve and Ben would like to join me, it’ll be my first ever threesome!”
“Yes, please!” Steve replied, his eyes already stripping the young girl.
“I’d love to!” Ben agreed, wondering how far they could persuade her to go.
They led a very apprehensive Mia upstairs to the guest bedroom after she had a gulp of her drink which seemed to be lasting forever. Was someone topping it up? Steve went into the room first and noted that the moon was shining into the window whose curtains were open. He smiled and did not bother with the room light.
She stood in the centre of the room, not knowing what to do next. The boys soon solved her problem by standing either side of her, facing her. Both boys had one arm around her with the other hand sliding inside her dress to cup her breasts. She moaned as the boys kissed each ear and then progressed down to her neck as they started fondling her breasts. Her nipples quickly became erect and she moaned in pleasure. Steve started kissing her waiting lips as Ben’s hand slid down to give her little bottom a squeeze on its way to the naked bit of thigh between the hem of her dress and her stockings. He had been mesmerised by the exposed thigh all night and his erection grew as he slid his hand between her legs, feeling her soft skin.
“Can we take your dress off?” Steve asked.
“I’m not ready to go all the way!” Mia replied, breathlessly.
“That’s OK, we promise we won’t even try, but we want to make you feel really good” Ben said.
“We want to make your first threesome amazing!” Steve added.
“OK” Mia agreed, still uncertain, but feeling really excited. “But promise you’ll stop if I ask?”
She did not know that Brett and Nick had asked to boys not to go all the way with their young girlfriends, until they had seduced them theirselves.
“We promise” Ben replied as they slid her dress up, over her head, leaving her dressed in just her tiny black lace panties and her black stockings.
“You’re beautiful!” Steve whispered into her ear as the boys lifted her into the middle of the bed.
Ben proceeded to kiss her lips, ears, neck and finally breasts, while fondling the other one. Steve meanwhile kissed down her tummy to the top of her panties while fondling the inside of her soft thighs.
Mia was now almost totally overcome by lust, writhing about beneath them, so when Steve started to pull at the sides of her panties, she lifted her hips to help him. As soon as he had taken them off, her legs parted, revealing her engorged pussy lips to a boy for the very first time. She was now naked, except for her black stockings.
Ben started sucking her breasts alternately while Steve gently rubbed her pussy lips until her juices began to flow. Mia was moaning and then gasped as Steve slid a finger inside her. She was tight but he thought she could take another, so he slowly slid both middle fingers into her hot little vagina, leaving the other two fingers to slide either side of her labia. She gasped and squeezed her vagina around his fingers. Next, he curled up his middle two fingers, playing around inside her in search of her G-spot. When her hips jumped up, accompanied by a squeal he knew he had found it. He brought his other hand into play, gently rubbing her clit hood and eliciting further gasps as he started to thrust his fingers into her. It was not long before the young girl’s orgasm erupted from deep within her womb, spreading out like a wave throughout her entire body and causing her hips to almost jump off the bed as she screamed.
Steve smiled in satisfaction and decided to see if he could give her a second orgasm, so, while he slowed his thrusting initially, as soon as she started to recover, he speeded up again, giving her a second and then a third orgasm. His smile became wider, hoping that Brett would soon give the boys a green light to fuck his amazing, orgasmic young girlfriend.
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