“Hello? Anyone home?”

I rung the bell a couple of times. No response. The house was large and seemingly empty. I pushed the door and it slid open with a creak.

Weird. My girlfriend Anne was supposed to be here – we’d arranged to meet earlier today, but there was no sign of her anywhere.

I padded through the hallway, into the massive, opulent kitchen. Anne’s family were loaded – her dad had passed away a good few years ago, had been super rich, and left a lot of that money to Anne and her mom.

I poured myself a glass of water, picking up a family photo. Anne standing with her mom, both smiling, but Anne’s mom looking painfully flat-chested compared to her daughter.

I had to admit, that was one of the reasons I was so into Anne – her breasts were tremendous. Large, round E-cups that rode high on her chest and always looked huge, busting out of any clothes she chose to wear. She always went slightly too small and wore push-up bras so they poured out over the top. Guys always drooled over Anne’s tits, but none more than me. As much as I loved Anne, I wondered sometimes if loved her tits more. A terrible thing to admit, but I was very much a tit man.

I finished the water and wandered around the house. It looked like they’d done extensions on it since I was last here – the place was huge! I wandered upstairs, figured I’d wait in Anne’s room and surprise her when she got back.

The door was ajar.

I slowly pushed it open, and sat down on Anne’s bed. I grabbed her Kindle, looking for something to read.

I heard a creak by the ensuite bathroom, and whirled around.

“You’re looking good, Pete.”

It was Anne’s mom. But – no, it couldn’t be Anne’s mom. Anne’s mom had never looked like that.

“Anne’s mom…” I said, before I could stop it.

She giggled.

“Please. Call me Janet.”

“J-Janet. I didn’t recognise you.”

It was true. I’d been with Anne for over a year, met her mom plenty of times and I would not have made the connection. The stunning beauty in front of me was as attractive as the Janet I knew alright, but the chest – this lady had some of the most gorgeous, fulsome breasts I had ever seen. They were even bigger than Anne’s!

She was wearing a tight-fitting turquoise dress that accentuated her slender waist, but more importantly emphasised her boobies, which were just incredible – they jutted out like two massive, full balloons, just about kept in check by the tight clothing, but otherwise bulged up and out beneath her chin. They looked like large melons, and were at least an F-cup, maybe FF. Her flat stomach only made them look even more huge.

I instantly regretted wearing board shorts, as a painfully obvious boner sprang up. I tried to turn myself away from her, but she’d already seen.

“What’s the matter Pete? Do I look a little…different to you?” When she said different, she breathed in and arched her back, making her boobs expand outwards in crazily huge mounds, her dress pulling up to compensate for the lack of space. She was a goddess.

I stared openly at her massive jugs. I didn’t have a choice. They were too incredible.

“You…your…I can’t believe it.”

“Anne couldn’t either. She was livid when I came back from the doctor’s with these. Of course they were much smaller then. I got special implants, you see. Experimental new expanders. They do just that…expand.”

Janet was right up close to me now, and her massive new boobs were inches from my face as I sat there on the bed. I tried to look away, but Janet maneuvered her massive form in front of me, her enormous wobbling boobs just about being held in place by her tight dress.

And as I stared at these perfect tits, they started to get bigger.

“What on earth…”

“I told you. New technology. If I think about it, I can expand them. I’ve been up even bigger than this, sometimes. I don’t know how large they can go. I’m scared I’ll never stop.”

“What about Anne?”

“I’ve sent her to the mall. Said it was urgent. She won’t be back for hours. It’s just me and you, Petey. And I have big plans.”

As she said “big”, her boobs swelled forward another quarter inch, bringing them closer and closer to my face. I couldn’t believe how arousing it was to watch them literally expand in front of my eyes. I could almost hear the skin stretching as her breasts apparently pumped up in front of me.

The turquoise fabric of the dress drew tighter and tighter around Janet’s increasingly large breasts as they swelled forwards. I started to see the seams showing as her boobs simply became too big. They were already so huge when they started, and they looked like they’d gone a couple of sizes bigger already. What the hell was this!?

Janet grunted and breathed out. The growth slowed to a halt, very close to my face. All I could see was breast. Massive, bulbous swollen tits filled my vision, cramming the gorgeously tight dress to its absolute maximum. They must have been in the K-range now, and the fat, round, pert cleavage that bulged irrepressibly out of the top of the dress made me harder than anything else I’d ever seen in my life.

I had to have her.

Janet looked down at my dazed face from way above her colossal boobs, and leant forwards, growing again.

Her phenomenal tits pressed into my face, as her heavy form pressed me down onto the bed. She was clearly a light, slender woman, but the heft of her tits made her incredibly weighty.

Boob filled my vision as her tits expanded again, bulging out of the top of the dress and pressing it further forwards, putting more and more pressure on the seams, which were already bursting with flesh.

Janet straddled my prone form, placing herself right over my cock. I could feel the immense warmth of her cunt, and knew she wasn’t wearing any underwear. As she leant back, her face moved out of sight, the swelling, expanding girth of her twin zeppelins the only thing I could see. My dick grew harder.

“Mmmmm”, moaned Janet. I couldn’t see her face above the wall of tit that loomed over me, but I could hear that she was biting her lip as she writhed her dripping cunt over my groin. I was practically cumming in my boardies.

I rocked Janet to the side and she fell over on the bed, a mass of turquoise fabric and shaking tit. Her tits were practically in her face as she lay on her back, laughing and shaking as she continued to expand and balloon outwards.

I ripped my shorts off, removed my shoes and sandals and lay there, waiting for the enormous goddess to sit on my cock.

I felt the room slowly become dimmer as her enormous form loomed over me, blocking out the light. First one leg on my right hand side, then the other on my left. I could see a little bit of her beautiful face, but almost everything else became taken up with the gooseflesh on her swollen, phenomenally large tits as she pressed her titanic bosom into my face.

I could feel her growing into me as her swelling jugs expanded larger and larger. I had no idea how big they were now, but I was sure their measurements were beyond classification as they swelled bigger and bigger and the ripping noises became more louder and more urgent

I loved the sound of stretching skin so close to my ears, and the bursting open of fabric as the ballooning tits beneath it grew larger and larger.

And then I felt a rush of endorphins around my system as she slid her gorgeously tight, wet cunt over my dribbling cock. It was the perfect fit, as I filled her up completely and she moaned, biting her lip again as she started to ride my rock-hard rod.

She leant upwards with difficulty, bringing her huge tits up off my face as she arched her back, feeling the full length of me inside her. Her boobs were insane now, bulging out like medicine balls from her increasingly-tiny-seeming frame. And as she arched her back more and more, and her head completely disappeared from view, I could feel her dress tearing itself apart.

Her breasts were just gargantuan now; they were practically all I could see, other than the underside of the battered turquoise dress. But as her boobs tore through it and patches of pink flesh became visible between the ripping seams, I felt her cunt tighten over my dick, and knew she was going to come.

This, coupled with the sheer scale of the bust overhanging my vision sent me over the edge, and I could feel my cock preparing to ejaculate. Janet felt this too, and leant back further, allowing her glorious breasts to burst free of their inadequate prison.

As I felt my cock about shoot forth its load, my vision was full of the glorious sight of Janet and her phenomenal boobs. Her hair swung back in slow motion as her tits eclipsed all, bigger than anything I’d ever seen, like massive sacks of flesh, but perfectly formed, massive in scale, and shaking and bouncing in the afternoon light.

Her nipples were huge and protruding as she rubbed them, her hands nowhere near big enough to cover even half of her stupendous bust.

And we both came, rocking each other’s bodies and worlds with an orgasm that seemed to last both centuries and an instant, as our twin forms experienced a perfect joint moment of utter, reality-centering clarity.

And then it was over. I was kind of glad, to be honest; such heady delights are impossible to maintain; the whole experience was too good to last much longer.

Janet’s boobs continued to grow a little larger as she breathed in and out, still twitching a little with post-orgasm shakes, her phenomenally large jugs quivering ever-so-slightly with the vibrations. They were too large. I couldn’t compute. But I was happy.

And then:

“Mum?! Pete?! What the fuck are you doing!?”

Anne was at the door.

She looked absolutely stunned.

And her tits were fucking huge. Her top could barely hold her chest in. Had she had the operation too?

It came out of my mouth before I could even think about it.

“Join us?”

And for that exact moment, the entire world froze, me and Janet looking at Anne, Anne looking at Janet and me.

And Anne’s tits started to grow.

—

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