This choice: Lip synching to the mirror, as expected - clad in her underwear • Go Back...Chapter #3Lip synching to the mirror, as expected - clad ... by: Lvmsclgrls   Sarah was enjoying the house all to herself. Her mom was gone, her brother was back at school and her dad wasn’t around much since he separated from her mom. Dancing around in her bra and panties with her stereo cranked while texting her friends had put her in a zone. She didn’t hear her brother come in the house. She stared at herself in the mirror wishing she had a better figure. It wasn’t as though she were fat or ugly or anything, but she just blended in with her dark hair and average body.
When Dennis kicked in the door she shrieked with surprise and nearly fell over. But as she righted herself her body began to quickly change. And with a second yelp she realized what was happening.
By the time Dennis reached the bedroom door his thoughts were racing. He barely saw his sister this summer, much less have a chance to check out her body. Although he figured he would have remembered her getting more muscular if she were lifting weights. And unfortunately for Dennis, his thoughts about muscular females generally went toward the extremes. Instead of thinking that the weight on the bar was her best bench press, what if it was her warm up for curling? Yeah, a 200 pound warm up curl by his little sister. Even as he tried to shake off those thoughts, he had to wonder how big her muscles would have to be to lift that much weight, or to be able curl even greater weights. 16 inch biceps? 20 inch biceps?
By the time he kicked open the door and snapped the picture, the view through the lens would have surprised him. The fact that the camera was converting his thoughts to reality completely shocked him.
There standing in her ever shrinking bra and panties was his sister. A sister who was growing bigger and bigger muscles across her body at an alarming rate. Her legs piled on pounds of muscle, causing her calves to bulge outward into heart shaped masses and her quads to expand out in every direction with large slabs of rippling sinews. Within moments her legs were the size of a top speed skater but with bodybuilder definition and wild female curves. Her midsection bristled with muscles as a deep 8 pack quickly formed followed by twin cobblestones of surging obliques. Her back widened considerably, looking even more imposing against her narrow abs. Her chest plowed forward as her pectorals surged thicker, pressing her breasts hard into the tight bra. Her shoulders and traps pushed upward into impressive mounds of striated girl muscles. But it was her arms that appeared to expand the most. It was her arms that Dennis focused on the most with his thoughts. And it was her arms that Sarah was soon staring at. That, and her brother.
“What, what is happening to me? Dennis! What did you do?”
Dennis’s eyes were like saucers. The words flew out of his mouth. “Me? I uh was just going to surprise you and was thinking about you lifting weights and then I took a picture with my new camera.”
And then it hit him. The camera! Perfect pictures. It must transfer thoughts into reality. Only now did he regret his obsession with female muscle.
As Sarah looked back at her growing arms she pulled up her right arm and marveling at the expanding muscles, tensing her fist and let out a “Holy crap” as her bicep blasted upward against her thickening forearm. Her yelp of shock was quickly echoed by her brother.
As the rest of her body had settled into muscle size of a top level female bodybuilder, her arms were quickly exceeding that. Proportionally her arms would have been around 14 inches, but she had passed that before she even flexed. Her bicep blew up to the size of a softball and continued to expand in every direction. Her tricep dipped lower as her peak grew higher. 17 inch biceps soon roared up to 18 inches and then on to 19 inches around!
As he continued to watch, he verbalized his thoughts. “The camera! It must be magical or something. My thoughts about you being stronger must be coming real!”
As her bicep reached 20 inches around her perfectly shaped, rock hard shredded bicep was still pushing upward, now taking the shape of a mountain with a wide base and large, narrowing peak. By the time the growth slowed, her bicep was beyond 21 inches around, finally stopping at a 22 inch monster bicep built up on a small 5 foot 4 female frame. Her bicep would make a heavyweight male bodybuilder jealous, much less any female bodybuilder. This was the female muscle of Dennis’s dreams. Only it was being sported by his younger sister. Definitely NOT part of Dennis’s dreams.
As the initial shock of the entire experience settled in, Sarah let out a quick guffaw. “You mean you WANTED me have a jacked up muscle body like this? With strength that I can only imagine? I mean I knew you always had a thing for the muscle girls, but to wish that on your own sister…”
She let the last statement hang there for a moment as she smirked and turned toward her mirror, pulling up her other arm and flexing up an equally massive, completely out of place bicep. She looked like some caricature of a female bodybuilder. But her muscles were real. Painfully real. Dennis’s jaw was hanging open as Sarah pumped her arms some more, driving even more mind blowing hardness and somehow, even more expansion into her already unreal biceps. Tensing her arms hard and grunting softly, Sarah’s skin looked paper thin, small veins pressed to the surface and her biceps added another two inches of incredible fem-muscle. Her mighty biceps were now 24 mind blowing inches around and detailed like an anatomy chart. Her splits were deep crevasses and her peaks looked they were ready to burst through her skin. She was nothing short of a pumped up super hero. Only she didn’t feel like being terribly heroic. Steeling a glimpse back at her brother and smirking dangerously, Sarah slowly released her mega flex.
“I’m guessing you really didn’t intend for me to become THIS pumped up, now did you?”
Dennis could barely form words as Sarah turned toward him.
“Not that I mind of course. I just never imagined having a body like this before. I’ll certainly stand out in crowd now!”
Flexing her chest for effect, her pectorals crystallized and nasty striations ran across the pumped up muscles, pressing her chest forward, exposing inches of deep muscle cleavage and causing her breasts to swell and strain against the seemingly overtaxed bra.
“And as for you BIG brother. Thought you were pretty funny bursting into my room like that, huh? Well what say we give these muscles a proper test shall we?”
Dennis stammered. “Uh, wait, I mean, let me explain.”
Sarah chuckled as she methodically began to bob her pecs up and down, one at a time and started to clench her fists by her side, causing her biceps to surge forth once again.
“Oh, they’ll be plenty of time to explain. But first things first. I think…”
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