It was another busy day at my sister's gym.
The large public pool that occupied a part of the property was always a popular place to come and exercise on the weekend, and it was a great place to strengthen your bonds with any aquatic pokémon in your party. I was always happy to swing by and help Nessa manage the intense workload that being a gym-leader burdened her with, especially when she also worked as a professional model!
But today our attention wasn't on the customers walking through the doors. We were both enraptured by the sight of Sonia, the red-headed researcher who for whatever reason had never learnt to swim. It was an unusual position to find Sonia in. She was always so confident, and intelligent, and always liked being in control.
There was very little that could fluster her – but being babied by my older sister so she could learn to swim was one of those things. Sonia's inability to swim could not be explained simply for a lack of trying. She demonstrated a near-supernatural instinct for sinking to the bottom of the pool like a stone.
"Ugh! Kick your legs. Your legs!" Nessa groaned.
It was a talent, that was for sure. I kept watch from the side of the pool, dipping my legs into the water and trying not to butt in while Nessa was in teaching mode. I knew it wasn't going to work like this – but Nessa hated it when people stepped on her toes. She was going to make Sonia swim a lap in the gym's pool, no matter how much time and frustration it demanded from her.
Time which was now running short. I checked my waterproof watch and sighed as the hands kept on ticking. Nessa had packed her schedule full again, even though Sonia had promised to swing by and learn the basics weeks ago. She had this, a photoshoot for a local magazine, and a new product launch to go and endorse.
I didn't want the lesson to end, and not just because Sonia needed to learn how to swim for her next research project. She'd arrived at the poolside wearing a daring sea-green bikini that left almost nothing to the imagination. Every gorgeous curve and slight indent as the strings dug into her flesh were seared into my memory. It took all of my restraint not to stare a hole through her chest while her boobs bounced around on solid ground.
Nessa loved to tease me about that. It didn't make much sense to me. Why wouldn't I have a crush on a beautiful girl like Sonia? It was like gravity!
"W-Wait a second! Hold on, I can't breathe!"
Sonia wriggled herself free from Nessa's arms and clung to the edge of the pool. She sucked in a deep breath of fresh air and tried to get some respite from Nessa's intense training routine.
"Don't you think you're going too hard on her?" I suggested.
Nessa was in a grumpy mood. She always expected a lot out of people even when it wasn't realistic. Sonia's inability to immediately take all of her guidance to heart was the exact kind of situation that made her upset. I had experienced it first-hand many times before.
"She's never going to learn without diving into the deep end."
Sonia shook her head, "You said we were going to start slow and ramp things up..."
Nessa looked at her own watch and grimaced, "Oh! It's almost time for me to go."
"Already? We've only been here an hour!"
Nessa was already climbing out of the pool while Sonia protested. She wasn't going to stick around even if Sonia tried to keep her at the gym. She couldn't abandon her responsibilities even when it was for a close friend.
"Sorry! I thought we'd have made more progress by now. They've been jamming my schedule for months."
Nessa's eyes turned to me, and a coy smile replaced her frown.
"Dylan, why don't you take over for me? I'm sure she'll respond better to your teaching than mine."
"Me?" I echoed, "I don't know about that."
"You'll be fine! Stop worrying so much. You're better than me at helping people."
Sonia rolled her eyes, "Tell me something I don't know."
Nessa wasn't going to stay and negotiate. She grabbed her things from the poolside bench and disappeared into the changing rooms to remove her swimsuit and get ready for her next job. I grumbled to myself and covered my face in exasperation.
"She's a pain in the butt – right?"
"You have no idea. I mean, you two are close friends, but I'm here every day helping out and making sure the gym is running smoothly. Some of our regulars are joking that I'm the one who's really in charge instead of her. I wish she'd take a break once in a while."
Sonia was sympathetic; "I feel the same way. I'm happy that she's enjoying so much success, and it's probably a good idea to take advantage of it while you can, but she never slows down for anything."
There was a brief moment of silence. My eyes drifted away from the older man playing with his Squirtle on the other side of the pool and down towards Sonia, who was peering up at me with sparkling turquoise eyes. The more alarming part of the scene was the way her breasts smushed together when she cradled her arms against the pool's edge. I snapped back to the Squirtle and tried not to let my cheeks turn red.
Sonia knew. There was no way that she didn't. Nessa couldn't keep her mouth shut, and I turned into a complete fool whenever Sonia was around without her to back me up. She refrained from saying anything about my wandering eyes and beckoned me to join her in the water. I slipped off the edge and dunked my body into the chilly pool.
"I'm not sure if I can help you all that well."
"I know that it's a mistake to underestimate you, Dylan."
"You make it sound so menacing. I think a word like 'responsible' is a better fit, don't you?"
Sonia giggled, "You're right. Nessa's been running you ragged for years now. I wonder how many of these regular visitors know that you're only sixteen."
"Just because I'm sixteen doesn't mean you get to tease me so much, and of course they know how old I am. I talk with them all the time. Mister Green over there has been visiting the gym for longer than Nessa's been in charge, so he got to see every second of me growing up…"
"You're a sweetheart. I can't think of many other people who would go to so much effort to help their sister. You used to be so cute when you were too shy to look me in the eyes," Sonia teased.
"I don't do that anymore," I muttered, "I'm used to spending time with you thanks to Nessa."
My eyes couldn't find a good place to settle. Sonia was close enough that she dominated my field of view, and every inch of her body was exposed to make life even harder. She was too sexy for me to handle, even when she was squeezed into those tight jeans and that distinctive seafoam sweater. Now every curve, from her large breasts to her wide hips, were visible with nothing but a few panels of sheer fabric and some strings blocking their totality.
On top of that – droplets of water ran down from her collarbone and between her cleavage. Forget what my sister was doing, this was the kind of thing those photographers dreamed of. It was a centrefold glamour spread given life.
"So, are you up for showing me the ropes?" Sonia asked with a flutter of her well-preened eyelashes.
"I guess it's better not to waste the trip out here," I admitted. The real problem was picking a place to start.
"I'm sure you'll do great!"
Over the next hour I drilled many of the basics into Sonia. Nessa was the impatient type, not wanting to step back and reevaluate her approach when it proved unfruitful. I broke everything down into easier steps, letting Sonia get familiar with her body's buoyancy and testing the limits on how much she could rely on it to help her float. After that, it was a series of different swimming styles until we found one that really clicked. Sonia ended up choosing the breast-stroke.
Being in close proximity to Sonia was a given – but I didn't expect her to nudge me into being so hands-on in the process. I was holding her up from below on many occasions, pushing against her stomach or wrapping my arm around her waist to keep her afloat. My wandering eyes drunk in every small detail of her figure, and the pale, unblemished skin that begged to be touched and enjoyed.
There were more than a few close calls where she slipped away and almost forced some more private areas into my grasp. Sonia just giggled and kept going with the lesson, although she never passed on an opportunity to tease me. My arousal was starting to build. It took some artful manipulation to keep my swimming shorts from pitching a tent.
"Are you planning on following Nessa into modelling?" Sonia inquired while we took a short break.
"Why would I? I'm not the kinda' guy for that."
"You're handsome! I'm sure you could make a lot of money doing it, and gather a lot of admirers too."
I shook my head, "Oh no. Nessa's fans are already enough trouble for us. She doesn't even think about it – but they're always coming to the gym and causing a fuss. She's so busy that she doesn't notice."
Sonia steepled her hands together and smirked, "I see how it is."
Before I could react, she shuffled over using the edge of the pool and latched onto my arm. Her breasts pushed into me, trapping it between the deep valley brought together by her bikini top. All of a sudden, my attempts to avoid touching her had been dashed. It was all for nothing!
"Sonia?" I yelped.
Her hand trailed down my well-toned chest until it reached my stomach resting below the waterline. Sonia was transfixed for a brief moment – before turning her eyes back up and smiling at my reaction to her bold move.
"I think it might be better if you stay a well-kept secret instead. I wouldn't be able to do fun stuff like this if you're always surrounded by a mob of other girls."
Every irrational part of my brain was screaming at me to answer back with flirtatious words of my own, but my sense of insecurity took a hold. Sonia always teased me. The only difference this time was that she was wearing a sexy swimsuit whilst doing it. I hedged my words and kept them tepid in a stupid attempt to avoid offending her.
"The swimming lessons?"
"You're a great teacher, but do you think I'm only talking about that?"
I couldn't respond to that in the same way. I stared at Sonia, and then towards the other side of the pool, and then back to her again. Sensing that I was not going to respond to her teasing in the way she liked – Sonia decided to move on and leave that seed planted in my mind. Was she really flirting with me so openly? She was twenty-three years old. Surely there were men lining up around the block to have a shot with her!
We returned to the lesson like it never happened. Sonia was running out of stamina for all of the swimming we were doing, but the significant progress we were making kept her motivated and pushed her past her limits.
"I think that's enough for today. How do you feel?"
Sonia laughed, "Fantastic. If I knew it was this easy, I would have done it years ago!"
She hopped up onto the edge of the pool in front of me. I approached and stood a short distance away from her knees.
"Nessa is a lot of things, but she's not a great teacher."
"Careful. Older sisters take exception to that kind of talk."
"Who's going to tell her?" I replied. Sonia was terrible at keeping secrets, so maybe she would if pressed.
"Hm. If you keep spending private time with me, I'll avoid saying anything to Nessa…"
"It's not exactly private in the gym pool," I observed dryly.
"Is that your way of saying we should go somewhere quiet next time?" Sonia winked. She pushed away from the edge using her hands to take one last dip in the pool, but…
"Be careful there-"
Sonia was already dismounting the rim before I could warn her. The tiles below did little to provide grip, and the sight of her lower body coming out from under her sent alarm bells ringing in my head.
"Woah!"
Sonia was slipping down in an uncontrollable fall. I'd seen this happen before – and it ended with a poor kid heading to the local clinic with a gash on the back of his head. I reacted on instinct and grabbed her flailing arms, pulling her further away from the ridge and preventing her from being knocked unconscious.
"Look out!"
Sonia ended up with her arms wrapping around my shoulders, with my arms supporting her legs from below. We floated away from the wall. Sonia looked like a deerling in the headlights. It took her a moment to come around and realize what just happened, and how close she was to burying my head between her breasts from her elevated position.
"W-Whoops!" she giggled.
I glared up at her, "Don't 'whoops' me, you almost cracked your skull open there!"
Sonia was surprised by my strong reaction to her accidental fall from the edge. My big mouth was running ahead of my brain. I slowly let her back down onto the floor of the pool and shrunk back into myself.
"Sorry. I shouldn't have said it that way. It was only an accident."
Sonia exhaled and leaned back against the wall, "It's okay. You're just concerned about me, right?"
"Well – I've seen a lot of people get injured because of stuff like that, and I wouldn't want it to happen to you too."
"Hm. But your hands were all over my legs and butt. I thought that would make up for it," Sonia giggled.
"Be serious for a second, please."
Sonia refused to tone it down though. She clicked her tongue and shook her head, "Having to chase after Nessa all the time has turned you into a serious worrywart! Why don't you cut loose and have a little fun from time to time?"
I think we have very different definitions of fun. A trip to the local emergency room with a split head would not be a happy memory for Sonia or anyone else unfortunate enough to do the same. She reached out and grabbed my arms, pulling me closer to the edge of the pool and tucking us away in an isolated corner, away from the changing room doors and the other swimmers.
Her eyes narrowed, "I really like you, Dylan."
"…I like you too," I mumbled.
"Oh, I already know that. Nessa always talks about how much of a crush you have on me. Aren't there any pretty girls your age who are more interesting?"
"W-Wait a second, Nessa told you all of that?"
She pursed her lips and hummed, "It's a little obvious when you keep staring at my boobies and my butt whenever I swing by. Your eyes basically popped out of your bloody skull when I walked out of there wearing this swimsuit!"
"Hey, wait a second – what do you mea-"
Sonia sprung her trap. I was pushed back against the edge with her in front of me, blocking the view of what was going on from everyone else. Her hand slipped down the front of my trunks and quickly found my shaft beneath the mesh netting. Sonia squeezed my cock with a cheeky smile, while I gasped and flew into a blind panic about what she was doing.
"Jeez! You've been hiding this big old thing from me the whole time?"
"Sonia…"
I couldn't make too much noise or someone would notice where her arm was going. Sonia's well-pedicured fingers started to stroke back and forth, causing a rush of blood to flow below the belt. Inch after inch it grew in her palm, until all seven inches were throbbing and ready for action.
She leaned into my ear and whispered seductively; "You're always so modest. You've got looks that match Nessa's, this awesome body, and a big cock – what's not to like?"
The fact that she was choosing to do this in a public place, for one!
"It seems like I have to show you just how much I appreciate my knight in shining armour."
My eyes were drawn to Sonia's face, which was so close to mine that I could feel her heated breath splashing out across my nose and lips. The noise and chaos of the pool pulled my mind in two directions. One side wanted to enjoy Sonia's deft touch, while the other could only hyper focus on the customers who were playing on the other side.
It was really hard to ignore how good it felt. Sonia's lithe hands were powerful and soft in equal measure, and for whatever reason she had a knack for toying with my cock. The blue water would hide the public foreplay from a distance, but that would change quickly if someone were to wander closer to us.
Sonia's other hand tilted my chin back to look at her.
"I only want you to look at me, Dylan. This is what you've been waiting for all this time, and we wouldn't want to waste it."
Her possessive declaration sent a shiver down my spine. This was not another one of her jokes or flirtatious quips – she was serious. All at once I was forced to confront and recontextualize our long relationship in light of his new development. Every word she'd ever said now bore a new weight and honesty they did not before.
That being said, it was extremely hard to do so while her hand was jammed down the front of my shorts. The water above churned with the movement of her lower arm. Sonia was interested in exploring every vein, ridge and bump along my shaft, and she even took the chance to squeeze my balls for a moment, before returning to stroking me.
"Sonia…"
"Don't bother holding on, Dylan. Just let it all out! It'll feel amazing!"
The only solace I had was that we were very close to a water intake, because her deft hands were bringing me screeching to a rapid, messy climax that I couldn't control. Sonia felt my shaft throb and knew she was close to getting what she wanted. Her index finger hooked under the edge of my exposed head and held on tight whilst pushing it back and forth using her palm.
"C-Crap, I can't hold on!"
Sonia's eyes were hungry, and my pleas didn't slow her down for one second. She redoubled her efforts and attacked me with intensity. I clutched the wall behind me and gritted my teeth, losing control of the muscles in my legs and being forced to brace myself as one of the most explosive orgasms of my life rolled through my body like thunder.
Sonia gasped softly as the warm seed hit her hand, before quickly dissipating into the water and being swallowed whole by the filter vent a short distance away. She continued to pump my cock even while I was cumming, forcing out every last dreg in the process until it went semi-soft again. Despite the odd circumstances of it all – Sonia seemed all too eager to go again. When she was happy that I could conceal my erection she licked her lips and pushed me further towards the stairs.
Our faces were starting to drift closer and closer. I knew that a kiss was coming. Sonia's plush lips were right there, waiting for me to push past my doubt and take the next bold step in our relationship. At least until a previously unseen Squirtle burst out from the water and sprayed us both down with a weakened jet of water. The mood was instantly ruined.
"Hey! Don't spray strangers without asking them first, Squirtle!"
The trainer grabbed his troublesome partner and dragged it away before it could cause any more trouble. Sonia found the funny side of things and started to laugh.
"Is there somewhere private we can go?"
"Uh. Maybe."
Sonia dragged me out of the pool using the steps before letting me take the lead. We went past the doorway to the changing rooms and down a short corridor, to another door which hid a storage room where various pieces of spare equipment were kept. It wasn't exactly the most romantic place in the gym – but it was a place where nobody ever wandered without a good reason.
Sonia laughed along with my choice, "It's like we're sneaking away during a P.E. lesson or something."
She sat down on the pile of padded mats and patted the spot next to her, but I hesitated to follow her.
"What's wrong?"
"I don't have any experience with girls, obviously."
Sonia snickered, "I get it. So I'm really throwing you in at the deep end with this?"
She always tried to put a positive spin on things, but it was clearly a source of anxiety for me. I was worried about disappointing her or making a poor first impression. Sonia was picking up on the problem, and making jokes about it wasn't the right approach.
"You're worried about what to do? You shouldn't be. All you have to do is apply your usual approach to the problem and it'll all work out fine! I'll pay you back for the swimming lesson by teaching you how to please a girl, okay?"
It only made sense if you ignored the fact that having sex and swimming were two different activities with different connotations attached to them. Sonia was always the one who didn't care about what other people thought. She'd plough ahead without sparing them a second glance.
"Hm. Maybe you'd be happier if I took off this swimsuit?" she winked, "You've been staring at my boobs and butt all day..."
I sputtered a response that only condemned me further; "N-No I didn't. Why would I do that? It's... rude."
Sonia kept giggling, "There's no problem - if it's you doing the staring!"
She didn't give me an opportunity to mess it up any more. One hand reached around her back and quickly undid the knot holding the front together, causing it to flump down onto her thighs. Sonia's chest was one of her many incredible features. They were huge, but also the perfect combination of perky and bouncy. Sonia was very proud of them, and loved to tease Nessa about their size difference.
Sonia put on a show. She reached up and squeezed them with her hands, before groping them and rubbing them in languid circles. My shorts tented outwards all over again at the erotic display, and that was exactly what she wanted to see.
"Take 'em off, Dylan! I want to see."
I was going over the cliff edge.
The strings were loosened and with a deep breath I gave her what she wanted, forcing them down around my ankles and kicking them away so that I couldn't retreat afterwards. Sonia's pale face turned a deep shade of red as my full figure was revealed. Strong muscles combined with a low-fat diet and plenty of swimming gave me an impressive physique. And now it was enhanced by the large cock sticking out from between my thighs.
Sonia was entranced, "I might have to stop you from wearing shorts in the pool before another girl steals you…"
We were both still dripping with water from the pool, and that didn't hurt when it came to emphasizing my stature and musculature. Thin rivers of water ran down from my dark hair, across the dusk-coloured skin that was gently illuminated by the single light in the storeroom. Maybe if I was more confident I could have struck a more inviting pose than standing stock-still like a petrified statue.
Sonia didn't mind one bit.
My eyes were drawn to so many different places. Sonia's perfect breasts, the toned belly beneath them, her thick thighs and most exciting of all, the sight of her well-pedicured toes. Each nail was painted with a turquoise polish that glimmered in the light. I dragged my gaze back up to her face and took a deep breath.
"Where should we start?"
She beckoned me over to the mat and made me sit next to her. Before I could get comfortable she hopped onto my lap and sat facing me. I was face-to-face with her breasts. The scent of chlorine and her body filled my senses.
"You wanted to get your hands on me, so go ahead and have some fun!"
The first place to go was obvious enough. I reached up with both hands and took her breasts into my palms, gently squeezing them and familiarizing myself with how much give they had. Sonia grinned, having gotten what she wanted from the start. My erect cock pushed up against her crotch and up towards her belly button, which was still covered by her swimsuit bottoms.
"That's right, you can squeeze a little harder…"
A soft moan filled the air when I increased the pressure. The contrast between our skin became more evident when we were touching. Sonia was always pretty pale, which made it easy to see when she was becoming flushed from arousal. Her arms, stomach and legs started to turn a pretty shade of pink.
"You can touch my pussy too," she sighed.
I slipped my fingers beneath the bikini and pushed them against her folds. A novel sensation, a combination of warmth, wetness and a slight amount of resistance. Sonia tensed up in my arms as I accidentally brushed against her clitoris.
"W-Woah! Be careful with that," she gasped, "It's really sensitive."
"S-Sorry!" I fretted.
Describing my first time trying to please a woman as 'clumsy' would be an understatement. I settled into doing what I found the safest, working two of my fingers in and out of her slit and using my other hand to touch her breasts. Sonia's moans guided me in the right direction, and soon I found the best way to move my wrist to keep the fun going without having to stop and rest.
"Oh! That's good. You're doing great, Dylan…"
Sonia found my clumsy attempts adorable. She loved the idea of showing me the ropes and taking all of my firsts. She didn't sit back and let me do whatever I liked either. After a few minutes of fingering, she pushed me back and sank down to face my pectorals, wrapping her lips around one of my clean-shaven nipples and attacking it with her tongue.
"Sonia?" I hissed.
She peppered each muscular mound with kisses, some short, others long and wet. Both nipples were subject to her slippery tongue. I'd never thought about playing with my nipples before, but now that Sonia was teasing me with them I realized how sensitive they could really be!
Between kisses she murmured words of praise, "Mmph! I love your body, Dylan. It's so sexy."
Every bit of saliva she left in her wake was emphasized by my dark skin, which allowed it to easily catch the light and shimmer for her enjoyment. I tried to fight back, swinging her down onto the mat using my legs and doing the same in return. Sonia squealed and moaned, her legs kicking in protest. I kissed and suckled on her hardened nipples, hugging her body close to keep her from getting away.
She coiled her fingers into my hair, "Please, can you use your mouth on my pussy too?"
Not one to disappoint, I followed her directions and slithered down towards her spread legs. I undid the strings on her bottoms and tossed them to the side with the rest of the discarded clothes. I was finally confronted with Sonia's most private place. It was already reddened with arousal, with moisture leaking down into the crevice of her butt.
She giggled, "I know – it gets a little messy when I'm excited."
I took on the challenge with gusto. She threw her head back and moaned even louder at the sensation of my tongue wriggling its way into her heated folds. The strange taste of her arousal flooded my taste buds and gave me a momentary pause. I pulled back and played with her labia too, before flicking against her clit briefly and causing her legs to shoot out straight like a pair of wooden planks.
"Oh! Oooh! Why the heck are you so good at this?" Sonia panted, "I hope you haven't been having fun with other girls!"
Taste be damned, I was going to show Sonia that I was a guy she could rely on. I delved deep between her legs and did everything I could to make her legs shake and her back arch. Sonia responded by locking her thighs around the back of my head and keeping me in place. The heat and moisture was suffocating and exciting in equal amounts. All of this was so new and novel to me that I could hear my heart pounding in my ears.
I was so entranced by the task that I didn't notice Sonia's attempts to pace me out. I was jolted back to reality when she unentangled her legs and pushed me back with one of her feet.
"Hold on a sec! You were going to make me squirt all over the bloody place!"
I was already drenched once today, so what harm was there in doing it a second time? Sonia put her hand against her chest and tried to catch her breath. I held onto her ankles and did the same. I might have gone too hard at her, almost suffocating myself in the process. I backed away in my kneeling position and stared as the gears turned in her head. Her eyes moved down to my erection, and a wicked smile split her face in two.
"Let me return the favour! I want to hurry up and show you even more fun stuff."
Sonia wrangled me onto the mats by making me lay flat on my back. She snaked down to my crotch and took a firm hold of my cock, before licking the head and underneath the ridges. She wasted no time in taking the tip into her mouth and lowering her head down onto it, accepting inch after inch of my burgeoning shaft. I was on the backfoot again, unsure of what to do with Sonia throat-fucking herself on me like a toy.
It was hot and wet and tight, and Sonia demonstrated a very flexible gag reflex by almost getting to the base without having to pause or pull back. I focused on trying not to cum whilst still enjoying the incredible sensation that it offered. It seemed far more difficult than letting me suck her toes, so I wasn't sure which part was meant to be 'returning the favour.'
Sonia made sure to rub her pussy to keep herself wet throughout. I was given a brief glimpse into how she pleasured herself when nobody else was around, flattening out her palm and rubbing it broadly across the entire mound to stimulate her clit and labia at the same time. Throaty moans rumbled through her cock-stuffed throat, and an obscene expression adorned her normally pretty features, with her lips forming an oval shape and her cheeks hollowing inwards.
It took me a while to realize that Sonia was lubricating it using her saliva. She made sure to leave a large quantity of it across my entire length, allowing it to build up without swallowing it back down. As the tension continued to build in my crotch, the occasional burst of pre would escape my tip and land on her tongue. Sonia gently squeezed my balls and stroked the base using her fingers until I was teetering over the edge.
And then she pulled away abruptly.
"There we go! All ready to go!"
"Where did you learn to do that?" I wondered.
Sonia winked at me, "What's wrong? Worried that your crush is fooling around?"
I looked away and tried not to let my anxiety about that show. The last thing I needed to think about during my first time was Sonia sleeping with someone else. It would invite unkind comparisons.
"You can do what you want..."
Sonia pouted, "Aw. What happened to that possessive streak I saw back at the poolside? Well – I like playing with toys, so I made sure to master all of the skills I'd need!"
She spun back around and pulled me into her arms.
"You shouldn't worry so much and have fun with it! I'm not going to get mad if you make a little mistake."
"Yeah, yeah. I know."
Sonia got onto her back and spread her legs, pulling her folds aside using her fingers and inviting me inside with a smouldering half-lidded look.
"How about you show me what you can really do with that thing? I'm super horny because of you!"
I positioned myself between her legs and marvelled at the sight of her pussy. I knew what they looked like, porn was a popular topic for guys my age, but seeing one in real life was a different experience to on a page or in a video. Sonia grabbed me by the cock and dragged me closer, placing it over her pubic mound and up towards her stomach with an excited grin. She was getting a serious kick out of seeing how big it would be when pushed into her pussy, and perhaps also the contrast between our different skin tones…
"I hope you know which hole to use," Sonia teased with a sing-song tone of voice. "I know what hole it is!" I replied on instinct. Sonia giggled at my reaction and let me go.
"Just take it slow for now. I want to make sure that you feel comfortable doing this."
"Shouldn't I be saying that to you?"
"Don't worry. It's only a little bigger than the toy I like to use."
A 'little bigger' could be any size judging by how Sonia described things. I looked down to make sure it was going into the right place, slowly applying pressure until it gave way and allowed me entry. She gasped and craned her neck back as the first jolts of pleasure ran through her system. I eased inch after inch into her body until I was almost at the base.
"Oooh! I'm so full!" Sonia laughed, "Why are you so modest when you have an amazing cock like that?"
"I'm not showing it off to everyone who asks."
I was trying to keep myself from launching into fucking her before I was prepared. She wasn't tight per se – but there was a pleasant amount of pressure being pushed into my shaft from all sides. It was smooth and wet, and very warm indeed. Sonia was trying to ease my nerves by playing a game of verbal tennis with me, bantering all the while.
"Okay, I think I'm ready to move now."
"Let's go!"
I took a firm hold of her thighs and used them to anchor myself. The first thrusts were short and shallow, with each successive one pulling back further and further, and going in deeper on the return stroke. Sonia was already starting to feel it, and she wasn't shy about moaning her lungs out to encourage me.
At least until I stopped suddenly and the sting of the cool air replaced her heat.
"Careful there! You slipped out."
My cock was standing proudly above her mound, covered in her juices. I chastised myself for getting too overeager. It was shockingly easy to pull too far back and accidentally remove it. Everyone made it sound so easy when they were bragging about how many girls they slept with, more evidence of their ability to tell lies to make themselves look good. I never believed those stories anyway.
I took it into my hand and guided it back in. No harm no foul. I just had to pay more attention to how far I was going, but it was another incident on the list of virginal mistakes I'd made since Sonia dragged me into the storeroom. Despite that I could feel my confidence growing with every new illicit act that Sonia inducted me into with a firm hand and a kindly smile.
I picked up the pace. My grip around her legs grew tighter, and so did the tension in my muscles. All across my body the build crafted through years of swimming actively came alive for Sonia to enjoy, and boy did she enjoy it. Her eyes widened and she tried to drink in all of the fine details before they relaxed and disappeared beneath my skin again.
The leftover water from the pool had long since dried out and been replaced with our own sweat. Sonia was covered in it thanks to her arousal, and this sudden burst of movement was starting to make me feel the strain too. My stamina was good, really good, but I could tell that where I was now would have wiped out someone without the same level of athleticism that I possessed.
Moans, gasps, the rubbing of skin against the course crashmat below us. I found the perfect point from which to swing my hips and hit Sonia with more force without risking having my member slip free again. She wrapped her legs around my back and pulled me down into another kiss, melding our bodies together and wordlessly begging for more.
Sonia's hands traced down the curvature of my back, before she planted them both firmly on my asscheeks. A push from behind forced me even deeper into her pussy, and she punctuated the encouraging act by coming down with one palm and swatting at my ass with some genuine force behind it. She stuck her tongue out at me as my brow furrowed. Getting my ass slapped? That was a first too.
This dance continued for almost five minutes. Both of us were already on edge after so much teasing and foreplay, and it was impossible to stop the surging desire from breaking my banks and pouring forth into her body. Sonia knew I was almost finished. Her pedicured fingers reached down and rubbed against her clit so she could join me in a mutual climax.
"Inside! Pump it all inside of me!" she demanded.
My thrusts slowed and became heavier as my body gave up. With one languid slam I buried my shaft as deep as it could go and released the pressure, right as Sonia came from the double-ended assault on her pussy. She screamed and thrashed around on the mat, only stopped by my arms wrapping around her and keeping us locked into place.
"Oh! It's so hot!"
"Holy shit!" I swore. It was an incredible feeling. Not only was I having sex for the first time, but it was also with the woman of my dreams. The old me believed so firmly that she was totally out of my league, and now looked where I was lying.
Once the climax died down, we were both left panting and laying on the mat. My semen spilled from her reddened folds and onto her thighs when she turned over to face me.
"Sorry! I didn't mean to cum inside..."
"I told you to, and it's my safe day. There's nothing to worry about besides, I can always buy some stuff from the clinic and be sure that nothing takes."
She looked down and smirked.
"But it looks like your not-so-little friend wants to have another round."
I was still hard. Seeing Sonia naked, lying on her side with my semen stuffed into her snatch was more arousing than any pornography I'd seen handed between boys or found online. Sonia was more beautiful and sexier than all of them!
"Uh, so what should we do next? Are you okay to go again?"
She laughed, "That's what I like to hear! Don't you have any positions that you really want to try?"
I gave it some thought before giving an answer; "From behind."
Sonia immediately leapt into action. She got up onto her hands and knees and wiggled her butt in my face, giving me a plain view of her asshole and pussy.
"Houndoom style! I've always wanted to do this too."
I needed no further prompting. I got back up and shuffled over on my knees, easily sliding my cock back into her snatch thanks to the excessive amounts of lubrication that were now available. Sonia turned back to face me and laughed.
"Woah! It feels even deeper like this. I swear you're going to rearrange my organs doing this."
"I hope not," I fretted. That'd be a terrible end to a dream-like opportunity.
I kept Sonia from replying and keeping the game going by pounding into her from behind, this time using short, sharp attacks that kept her from finding an easy breathing rhythm. Her words caught in her throat and her head slumped back down as she tried to resist the rapid assault on her already-sensitive hole.
"O-Oh no! I've created a monster!" Sonia laughed, "You're going to make me squirt everywhere, you cocky jerk!"
Maybe this is what she wanted from me the entire time. Without having those worries clouding my mind, I was able to indulge in the euphoria of getting to screw Sonia from behind. All of the nights thinking about her, and all of those days seeing her in the gym were finally paying off. I took control. I leaned over from behind and groped her dangling breasts from behind whilst keeping up the intense pace I set.
We were in the final stretch. Sonia was never going to last long after already cumming a few minutes earlier, and while I could go fast and hard in contrast, that brought me back to the same level of endurance I enjoyed in our first go-around. I savoured every second of it. I drank in the smell of her hair and sweat, and the huge amount of mess we were making on the formerly clean exercise equipment. I was struck by the taboo nature of it all; of Sonia sneaking away with her friend's younger brother to enjoy intense, mind-melting sex with him...
That was where we both were. We weren't thinking straight, simply pursuing the apex of pleasure rather than concerning ourselves with the noise we were making. Sonia screamed so loud and for so long that her voice turned hoarse, and she still hadn't cum for the second time yet! I kept a possessive hold of her body the entire time, working my hips and legs until they ached in protest.
"I'm going to cum!" I grunted, huffing and panting like a prideful Tauros atop his latest conquest.
"Ah! Inside, do it inside again!" Sonia babbled, "Please! Uh! I'm cumming! You're making me cum!"
She was a mess. That composed and in-control older girl was nowhere to be seen beneath a face covered in sweat, stray ginger strands of hair and streams of tears. Were those the signals of a job well-done?
I slammed into her for the last time, my balls swinging upwards and slapping against her tummy. Sonia screamed at the top of her lungs and, true to her word, squirted all over my stomach, crotch and legs in the process. Her pussy undulated around my shaft and milked the last of the semen from my body, stuffing her womb to the limit and leaving no space for any more.
And then it was over.
Sonia was still on her hands and knees, head hung low as she tried to catch her breath and recover from her third climax. She was an awful mess, with her gaping pussy forcing out another pearl of my semen. It dribbled down her thigh and onto the mess-covered athletics mat we'd been using as a makeshift bed. My cock continued to twitch, the last few dregs of my orgasm escaping and gathering around my tip.
"I can't believe we just did that," I whispered. Clarity broke through the madness.
Whispering wasn't going to save us. Sonia screamed like a banshee when she came, and the other noises we made would easily leak through the cheap storeroom door and out into the exterior corridor. The sobering reality of having sex in secret at the gym was killing the mood. I was starting to go back to my usual highly-strung self, just like when Nessa overloaded herself with too many jobs.
Sonia rolled over and smiled, "Nobody knocked on the door to stop us. And even if they heard, they're not going to say anything about it."
That didn't sound any better. I was going to die of shame if someone overheard all of this.
"You were suuuuper hot! When you were fucking me from the front and I could see all of your muscles tensing, ugh! I almost came right there, it would've been so embarrassing!"
She was talking at a mile a minute suddenly, gushing about the minute details from our sexual encounter with no regard for how it made me feel.
"Wait a second, wait! We need to talk about this, okay?"
Sonia slowed down and picked away the stray hairs with her fingers.
"Talk about it? I think it's pretty obvious what I want."
"And that is?"
"I'm not letting you get away from me now. You wanted me, so now you have to live with the consequences. It's that simple!"
I stared at her. The matter-of-fact expression she made was characteristically frustrating.
"It's not simple at all! What are we going to do if Nessa finds out about this?"
"She's too busy to pay attention to us," she shrugged, "Maybe she'll be happy that her little bro landed such a hottie as his girlfriend."
I had to thank Sonia for her patience and willingness to teach me, but this was a counterbalance to all of it. She never acted on the same wavelength as everyone else. Nessa was going to have her stuffed and mounted above her office's desk if she ever found out about this, at least in the vestiges of my imagination.
Sonia leaned in and kissed me on the cheek, "Don't look so worried about everything, 'kay?"
On the other hand, she did also possess an almost supernatural talent for getting away with things that would normally sink anyone else...
"Fine. Let's do it your way."
Sonia cheered, hopping to her feet, bare breasts bouncing all the while, and struck a victorious pose.
"But we might have to clean this up first."
She slumped back down and studied the damage.
"Can't we just throw it into the garbage and hope she doesn't notice?"
"She will notice if all of her equipment goes missing. Put that bikini back on and let's wash up."
Sonia smiled and pulled me to my feet.
"Let's do this again soon!"
"Sure, as long as we can get a private room."