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Rated: 18+ · Interactive · Fantasy · #1661052
Female muscle growth fantasy in which a shopping mall kiosk machine builds muscle fast.
This choice: Britney is an energy vampire, as they have sex she steals his muscles  •  Go Back...
Chapter #5

Britney is an energy vampire, as they have sex ...

    by: Lurker Unleashed Author IconMail Icon
Howard couldn't believe the amazing sexual frenzy that Britney was in - she'd always been a good lay, but this time was phenomenal, it was like she was totally cutting loose. As she rode his massive tool her tight pussy wasn't just sliding up and down his cock with her thrusting. She was doing something that made it feel like he was being expertly jacked off each time she came down on his cock. He didn't last long before he unloaded into her, and it was such an amazing experience he felt completely drained.

What startled him was her cries of orgasm that seemed to coincide with his own release - they'd never come together and he'd certainly never gotten her off that quickly.

On the other side of the sexual experience Britney was disappointed that Howard was not giving as good as he got. She'd expected that now that she was strong enough to take him, he'd be more active in their love making, but he still seemed so passive. She tried coaxing him into action any way she could, but all she wound up getting for her trouble was him cumming in her when she was far from her own orgasm.

But when he came in her, something happened, something more than just his semen flooded her body - something amazing. It felt like, little orgasms all over skin. She cried out in pleasure, no doubt leading Howard to believe he'd given her an orgasm, but it wasn't the sex that was giving Britney pleasure - it was an unexpected after effect. She could feel her muscles grow!

Her biceps, previously tight and lithe were swelling rapidly into 18" monsters, looking incredibly impressive on her frame. Her pecs grew larger, pushing her breasts out so far that they began to rip through her T-Shirt. Her legs became thick and powerful too. When she opened her eyes after her orgasm - to see Howard with his eyes shut and almost drifting asleep - she realized that her new muscle had not come from nowhere - Howard's muscles had shrunk as much as hers had grown. He was back down to nearly the size he'd been before the machine.

She climbed off of him and looked at her new body in awe. She wore the new muscles very well - they looked sensual and shapely on her rather than big and bulky like they did on Howard. But, she wondered, was she, like Howard, no stronger for them?

She picked up the weight she'd done reps with earlier and smiled - she was definitely stronger - much stronger! This 80 pound weight felt near weightless to her. In fact, she began ripping off 1 arm curls with a 200 pound barbell Howard had set up on the bench - as easily racing through 50 as she had with the 80 pound bar earlier - even easier if the truth be told.

The feeling of power was delicious - and very arousing. She wanted more, and she looked over at Howard and saw so much more waiting for her there.

Climbing back onto the bed she began to kiss and caress him, waking the sleeping giant - and also waking the sleeping giant between his legs.

"Rise and shine sleepy head - mommy wants more of her muscle boy."

As Howard's eyes opened he saw the new Britney and became rapidly awake - and even more rapidly hard, precum already starting to leak from his member. "Slow down baby - mommy wants to have that inside her."

"What happened?"

"Oh, it seems I got to share in your big muscles after all - but unlike you, these babies aren't just for show. I'm at least as much stronger now as these make me look - and remember how strong I was with my little dancer muscles?"

Howard remembered - and he was on the verge of cumming just from the thought and the sight. Britney was lowering her pussy onto him as she said "Now baby, I know I always told you I wanted you to last longer - but forget about all that - let's see how fast you can give me what I really want, hmmm?"
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