This was it.

The big day.

I looked at the package of pills on my bedstand, and grew hard thinking about what they might do.

I’d stumbled across them whilst surfing the net late at night, and just couldn’t resist checking them out.

Like everyone else, I got regularly bombarded with e-mail adverts that said stuff like “MASSIV COCK OVERNITE!!!1” and “MAKE URSELF 2 BIG” from e-mail addresses that couldn’t look more spammy if they tried. But this was different.

The site was hard to find, cleanly designed, and oddly professional. My bullshit detectors were still going off the charts due to the subject matter, but compared to some of the crap I’d seen in my late-night trawls, it actually looked quite genuine.

Beside the small, white packet, sat a jug of water and a glass. With shaking hands, I opened the packet, picked up a small, orange pill, placed it in my mouth, took a swig of water and swallowed hard.

I’d purposely picked a tight pair of boxer shorts, to see if I could tell any difference right away. Well, if there was going to be any difference. Just in case, I’d arranged it all: it was a Saturday morning, I was alone in the house, and my girlfriend was due to come over later that day. I wanted to really surprise her.

Don’t get me wrong, I’ve always had a decent-sized member. About 6 inches (not that I was measuring. Ok, I was measuring), which the internet told me was just about average. But I’d always dreamed of having something massive down there. Something that would really fill someone up to the absolute extreme, no matter how much space there was to fill.

For some reason, the thought of my dick getting bigger filled me with arousal, so it was hard to tell if the pill had worked; my cock instantly grew hard and pushed against the limits of the white boxers, pulling them a little away from my body. I desperately tried to think unsexy thoughts, and it slowly went back down to normal size.

I sat on my bed, staring at my cock for quite some time, before the ludicrous nature of the situation hit me. And suddenly I was laughing out loud, alone in my apartment. Of course it wasn’t going to work! This whole thing was totally stupid. I was glad I hadn’t told Jen to expect anything – the surprise nature of the day was going to work to my advantage – there was nothing to surprise her with.

Sighing, I stood up and walked to my closet to put on some clothes. I opened the door, pulling some jeans from the hanger, and slipped my left leg in. I pulled in my right. Suddenly, I felt a tightening in my boxers. “Getting horny again”, I assumed, pulling the waist of my jeans up over my cock. Something was wrong.

Was my dick…getting bigger? It couldn’t be – I saw the bulge growing in my underwear, and pulled the waistband away from my stomach to see the dick that lay beneath – and holy shit: if it wasn’t growing!

My cock was pulsing, tight and large and veiny, swelling larger with each throb, growing bigger and thicker as I stared at it, open mouthed. It was pulsing bigger and bigger, rock hard and erect, filling up my boxer shorts as it grew bigger, quarter inch by quarter inch. I tried to pull my jeans on, and my engorging cock made a massive long shape down the right leg. This was unreal.

My dick swelled larger and I could feel little dribbles coming out the end of it. I loved the feeling of it packed into my jeans, which were now almost too tight to wear out. Everyone would be able to see my junk!

Rushing back to the bed, my big cock straining out of my jeans, I grabbed my phone and called Jen.

“You need to get here now…”

—

Half an hour later, I’d managed to fit myself into my jeans, and had calmed myself down enough that my flaccid cock wouldn’t give the game away. The thought of fucking my girlfriend with my new, much larger cock was incredibly thrilling, but I had to play it cool. The surprise was going to be worth it.

Once the growth had stopped, I measured my new member, and it was a whole two inches bigger. Eight inches! I don’t know if you’ve ever seen an eight-inch cock, but it looks huge. Especially if you’re used to average. I couldn’t believe the thing swinging between my legs.

And if the pills had done that, then maybe they did the other things they promised…

The doorbell sounded, and I practically ran downstairs, desperately trying to stay unaroused to keep things under wraps for as long as possible.

I opened the door, and Jen stood there, tall and blonde and beautiful, her flat, toned body slipped inside a beautiful black dress, bottle of wine in hand. She looked amazing. I could feel my erection growing, and desperately tried to suppress it.

“What was so important that you got me all dressed up in the middle of the day?” She asked, smiling beautifully as she strode into the hall.

“I wanted to treat you, babe.” Was all I said. I was getting horny even thinking about what was going to happen next, and that would have given the game away. My jeans were getting tighter the more I thought about it. My cock was so big.

Keeping my growing bulge turned away from Jen, I headed upstairs. She followed, a quizzical look on her face.

Inside my room, the lights were low, candles flickering by the bed. An artificial atmosphere for the afternoon delight I had planned, but it would help my plan.

I held the door open for Jen, desperately hoping she wouldn’t look down at my massive cock that was starting to show down my right pant leg again. It was thrusting out of the leg of my boxer shorts. So long.

Jen looked around with a smile on her face, oblivious to the large snake that rested between my legs. I could feel it pulsing again, liquid practically dribbling out of the end. It was so full, primed to fuck. I was getting too horny for words.

Placing the bottle of wine down, Jen stood with her back to me. I clasped my hands around her waist, and kissed her neck. My huge cock grew bigger and harder inside my jeans, and I pressed it hard against Jen’s butt and leg.

“Mmm, is that a banana in your pocket, or are you just pleased to…oh my god, what the fuck is that?”

Jen had a mixture of laughter and desire in her voice, as she reached a hand around and stroked my trouser leg. “Did you put a cucumber down there?” She giggled, stroking it up and down.

I said nothing, feeling my cock grow harder and thicker as she slowly rubbed it, feeling its size and girth.

Jen turned around to face me, a stern look on her face.

“Seriously, what’s going on?” She asked.

I smiled, gently pushing her back onto the bed. She smiled, her legs open.

“Whatever it is, I want to see. And I’m not wearing any underwear.”

With that, my cock practically tore out of the jeans. It was almost painful. I hurriedly unzipped my flies and pulled my jeans down.

Jen’s eyes practically popped out of her head.

“What the fuck is that?”

My cock was now close to nine inches in length, thrusting was down my leg, clamped to it my the leg of the boxers shorts it was poking out of, but massive, thick and veiny. The head was red and swollen, dribbling pre-cum.

“It’s…huge!” She muttered, licking her lips and going slightly red in the face. I could see how excited she was, her chest heaving up and down.

I smiled. I’d taken quite a few pills. It was going to get a lot bigger.

“Want to try it out?” I asked, loving the sensation of power as my cock throbbed bigger and bigger.

She nodded, unable to speak, unconsciously spreading her legs wider.

I removed the rest of my clothes, and straddled Jen.

She looked into my eyes in the dim light, suddenly very vulnerable.

“I’m so wet.” She confessed, sparks dancing in her beautiful blue eyes.

I hefted my massive, still-growing cock into one hand, and guided it down towards Jen’s dripping cunt.

At first, it was met with a little resistance. Jen moaned with pleasure, as the large head pushed gently against her tight cunt. But as she got wetter and wetter, my massive member slipped in, and I felt a pleasure like I’d never known before. I was so horny, and Jen felt so good.

“Oh my god!” She moaned, lying back on the bed, biting her bottom lip. “You feel huge…this is incredible!”

Wondering how much bigger I was going to get, I slowly started to move back and forth inside Jen’s tight cunt, feeling the huge girth of my cock rubbing against her. Everything was so close and the pressure on my cock was incredible. I could still feel myself growing.

“No! You’re getting bigger!” She screamed.

“Is it ok?” I asked, suddenly concerned.

“It’s incredible!” She cried, gripping my cock with her cunt, tensing and untensing with each thrust, rubbing her nipples through the dress. “Oh my god.”

And just as I thought things couldn’t get better, her dress started to tighten around her chest, as her breasts started to grow.

She hadn’t noticed yet, but was writhing back and forth on my massive, growing dick, in another world of pleasure.

I was hoping this might happen – the website had said that the semen of someone who’s taken the pills would have “effects” on women, but I hadn’t dared to hope it was true.

I felt my cock swell larger and larger inside Jen’s cunt as her breasts started to balloon bigger. She’d had almost no chest to speak of before, but her boobs were now swelling up in pulses: each time I thrust, and my cock grew larger, her breasts increased in size, pushing hard against her dress, which was tightening and growing more taut as her tits expanded beneath it.

“Oh god”, Jen cried, rubbing her tits as her growing breasts wobbled and bulged on her thin, slender frame, her tits growing larger and larger with every pump of my equally expanding cock.

I couldn’t guess how large it was now, but at the current rate of expansion, it would be nearly ten inches now, filling Jen’s tight cunt to the max. Her breasts were now the size of large softballs, pulling the fabric of her dress closer and closer to her skin as they inflated larger and larger, her big hard nipples poking up hard and strong.

Suddenly, she noticed the expansion.

“Carl, they’re…I’m growing!” She panted, before being taken away by another wave of arousal. Her breasts were growing in throbbing pulses, bulging up and up away from her, creating bigger and bigger mounds on her chest as they slowly approached the size of small melons.

I loved watching her dress constrict over her growing figure, and I couldn’t shake the feeling that I was pumping her up and up with my growing, throbbing cock. This was all so arousing, I didn’t quite know what to do – both of us were so incredibly turned on, we knew it wouldn’t be long before we came, and came hard.

With these thoughts and more firing through my brain, I felt my cock preparing to come. Jen’s boobs were absolutely huge now, curving up and up out of her dress, as it was pulled tighter and tighter to compensate. I could now see her slim hips and bare legs as her dress could only cover her top half now – her huge, ballooning boobs were pulling it away from me.

And as her tits approached the size of watermelons, and her dress started to come apart at the seams, I felt my enormous cock getting ready to come. Jen could feel it too, and was moaning with pleasure as I filled every inch of her tight cunt. I could tell my cock was still growing – I wasn’t used to having sex from this distance; my dick was so long now.

As and Jen’s dress started to burst apart as her huge tits pulsed larger and larger with every thrust, I start to come. My massive cock throbbed and hardened to its full size, firing bolt after bolt of hot, thick cum into Jen’s waiting pussy.

Again and again I ejaculated, filling her up with semen as we both cried out in amazement at how amazing it felt. Pleasure swamped my entire body as I experienced nirvana like I’d never known. We were both so big.

And, finally, it was over.

Jen lay there on bed, breathing deeply, her huge wobbling watermelon-breasts shaking on her chest, dwarfing her head as they loomed over it, each boob bigger than her head.

And slowly, deliciously, I pulled out my cock from her cum-filled vagina. My dick was sagging a little now, but even so, we could both see that it was absolutely enormous. Eleven inches. Maybe even twelve. Almost a whole foot. Too big, really, but there wasn’t much to be done.

Jen struggled to prop herself up on her elbows, her huge new figure taking some getting used to.

“Wow”, she breathed. “That was incredible.”

I nodded, wondering if sex would ever be that good again. And then I realised how many more pills I had, not to mention that I had just pumped my girlfriend full of semen. Semen that would make her grow.

And as we made eye contact, we knew this was only the start.

Things were about to get a whole lot bigger.

—

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