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gtsmakerdj 1/13/2026 7:23:16 AM Rating: 0

You kicked yourself, normally your pull out game was pretty good. But last night you'd done what you'd always vowed not to - you'd came inside your one-night stand. Making her pregnant was the least of your worries, making her grow was your big concern.

Your cum had a unique property, it would cause anything it came in contact with to grow - a lot. For that reason you'd always been scared to shoot a full load into someone. You were usually quite good at pulling out in time, sometimes you'd treat your partner to a coating on their tits or ass. They'd often be annoyed at first but when morning came round and the effects kicked in they always loved their enlarged assets. Of course you were normally gone by then, you didn't want women who knew your secret discovering where to find you for more.

Last night though your hook-up was smoking hot. She had a huge smile, curvaceous body and knew exactly what to do to get your motor running. You'd been cumming before you even knew it, you pulled out but you were certain she'd got the bulk inside her.

You'd snuck out in the morning as soon as the sun rose and headed home. Hopefully she wouldn't get too big you tried to convince yourself. You had no idea how much growth it would cause - surely it'd only give her a few feet at most. At least you were now home safe now and she couldn't get any more from you.

After showering off you decided you needed a coffee to help you get over last night, a good coffee. As you dried off you gathered your things around the apartment to head out to the cafe downstairs before realising something; you couldn't find your wallet. A sinking feeling started to manifest in your stomach. Surely you hadn't left it at hers?

As you stood, still wet and undressed from the shower trying to work out what to do next you felt something - a small tremor. And then another. The shaking started to grow more constant and stronger. Soon things were starting to fall off your shelves and the light coming into your apartment dimmed. Then the shaking stopped. You turned to your nearest window to see the woman from last night.

She was gigantic. You'd feared that cumming inside might have amplified the potency of the growth effect - but you had no idea it could be amplified this much. You watched as she leaned forward and looked straight into your window.

"Hiiiya!" she beamed at you - her big smile now bigger than ever.

You waved back. You were so distracted by her that you forgot you were holding your towel and ended up exposing yourself - she treated you to a cheeky smile in response.

"You forgot your wallet, I though I'd bring it back using the address inside." she told you, her smile then growing wider, "I also wanted to see if you were ready for round two?"

After saying this she had an even cheekier smile and raised her eyebrows. She could see the answer to her question already - you knew it'd be a bad idea but your engorged member had already made the decision.

She stood studying you while biting her lip and you studied her back. You could see she was wearing her bikini from the pool party last night. You vaguely remember spraying your cum on it - and her tits - when you attempted to pull out. That explained why it still fit and how her chest had gotten even bigger. You noticed her hair was much longer too, you must have caught that in your spray too. You had to admit to yourself; your pull out game had gotten really weak.


Meta: I don't know the name of the woman in this clip but I would love to know as she has an incredible smile. I could see her body and smile working well in a lot of giantess scenarios. The gif was fairly basic so was easy for unscreen to remove the background from. There was a bit of artifacting to her side so I used the window cut-out to cover it up in the gifntext tool. I didn't add any shaking to the background or foreground in this one as she wasn't really moving. I know its a bit of a cop-out using a window cut-out but I at least put some effort into making one myself which wasn't just black outside the frame - thought the brick work makes it seem like it should be outside looking in (I was trying to go for an exposed brick interior like you'd get in a fancy studio apartment).