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Rated: 13+ · Interactive · Action/Adventure · #1855332
Kyle gains the ability to grow any high school girls' muscles... With a kiss! FMG Only!
This choice: We could head over to the gym  •  Go Back...
Chapter #4

We could head over to the gym

    by: Lvmsclgrls Author IconMail Icon
“Well, since you appear to be pretty darn strong, why don’t we head on over to the gym to see just how strong you are.”

Sandy’s eyes lit up and she smiled. “And maybe show up some of those big men too huh?”

Kyle blushed. His twin sister knew him too well. “Uh, maybe.”

As they headed out the door Sandy slipped on some flats and they hopped on their bikes to the gym. Kyle had a hard time keeping up to his powered up sister, but she willingly slowed down when she saw him struggling. They reached the gym and parking their bikes walked in.

And just as Kyle had originally worried about, the biggest men in this part of the country and maybe in the world were working out across the way in the free weight area. The gym was otherwise mostly empty. Even the amped up Sandy looked nervous.

“You know Kyle, maybe we should come back when those big guys aren’t around. I may be really strong for a girl, but those guys are still way bigger than me.”

Kyle’s upbeat feeling sunk. She was right. Those guys were bigger. But then he had a thought. What if another kiss could make her bigger? What did they have to lose?

“Why don’t I try to give you another kiss?”

Sandy looked over at Kyle and narrowed her eyes.

“You mean I can get even bigger?”

Kyle shrugged his shoulders. “I don’t really know. But what could it hurt?”

Sandy giggled. “Those guys for one. I know how much trouble they give everyone in the gym.”

Kyle nodded and reached over to give his twin sister a peck on the cheek. He pulled away and took a step back, looking at her with anticipation.

“Well, do you feel anything?”

Sandy was about to speak, but instead let out a familiar pleasurable moan. “Oh, I feel it again Kyle. And maybe even stronger than before!”

And true to her word her already impressive muscles began to pulse across her 5 foot 4 inch narrow frame. Soon muscles were building upon muscles and Sandy’s strength was building even faster. Her bare legs ballooned with massive slabs of unreal beef as scary definition riddled the huge muscles as large veins pushed to the surface feeding ever increasing strength into her monster thighs of doom! She slipped off her shoes and she pushed down on her small toes, detonating more muscle into her calf than Kyle would have thought possible! She flexed down and her gigantic calves ground forward as big as soccer balls and were covered with pulsing muscle fibers and power pumping veins. As she tensed down on her right thigh the muscles contracted, separated and expanded to legendary proportions, eclipsing the size of the biggest man and outstripping the definition of the most ripped bodybuilder. Her shorts ripped up the sides, unable to contain her monstrous thighs of steel! Her behind bubbled out into twin spheres the size of half bowling balls and shredded with impenetrable muscle as her shorts now barely covered half of her incredible glutes.

Her incredible lower body curved dramatically and femininely into her still narrow midsection that was now covered with more muscle than Kyle even knew existed. The 10 pack of ab muscles looked they were pushing against each other in search of more room and additional muscles popped up along her sides up toward her widening back as the threads of her top popped out. Her back expanded and thickened with powerful bumps and grooves as her entire back widened to four incredible feet wide! Sandy flexed her chest and her pectorals plowed ahead with reckless abandon, ripping the top down the center as super human shredded muscle cleavage roared into view. Within moments her gorilla pecs were over 9 inches thick and her muscle breasts pushed out another nine! Sandy flexed down again and her chest exploded outward and upward, pushing up to her cute, narrow chin. Her shoulders looked like she had footballs jammed under her skin and her traps rose up into view.

“Oh Yeah! Now those guys aren’t even in MY class! And just check out these arms Kyle!”

Sandy brought her arms out to her sides and her triceps exploded with rippled muscles as big as half basketballs, then bigger! Sandy chuckled menacingly as she pulled her Popeye forearms up and tensed her small fists causing a seismic reaction across her lower arms as her biceps blew upward to the top of her fists bigger than distended bowling balls and stronger than steel! Sandy smiled with confidence as she flexed her biceps again and again, pouring more size, strength and impossible density into her otherworldly biceps as her peaks climbed up over to the top of her head at over 60 humongous inches around!

“Now THESE are some world record smashing biceps! And I can feel super strength pound in my mighty muscles too! Those guys think they’re so tough? They think their muscles are big? Well they won’t when I’m through with them.”

Sandy released her incredible flex and her superheated muscles reduced back down to manageable levels, but without any loss in strength and with even greater density. Kyle could hardly believe what he was seeing. His once frail 5 foot 4 inch sister was now a teen-age girl tank! Her top was stretched to the limit, ripping up the sides and practically molding to her massive muscles, her arms were legendary and her legs were ripped beyond belief. She strode with supreme confidence over toward the large men working out as Kyle trailed behind. The men were hardly paying her any attention as she reached the bench press area.

“Hey guys. Mind if I join in?”

The first guy looked her over with a frown.

“I don’t know what kind of fake muscle suit you think you’re wearing little girl, but it doesn’t fool me. And there is no way any woman, much less a slutty teen-age girl can lift enough to even be in this gym in the first place. So just take your pretend muscles and your sunny attitude back to grade school.”

Sandy narrowed her eyes and the large 6 foot 4 inch, 300 pound plus massive man and glanced over at the seemingly equally large man sitting up on the bench who was also scowling.

“Oh really? First of all, these muscles are not fake. And secondly I’m no slut! And thirdly I have every right to be in this gym! And fourth, I’m in high school you big, stupid muscle head!”

Sandy walked around the bench and pulled her dainty fingers around the bar resting on the bench press rack. She sneered at the man who was sitting down but was now getting up. Two other men were also approaching and Kyle was getting nervous. Sandy looked around as all four large men were surrounding her.

“So how much weight is this?”

The closest man growled as he kept his eyes locked on Sandy. “1050 pounds. More than you’ll ever be able to lift little girl.”

Sandy stared back as her mouth slowly curved into a wicked smile. She then reached out at arm’s length and curled her small right hand around the large bar. “Oh yeah?”

Sandy then pulled the bar off the rack and the eyes of the big men all widened with surprise. But then their faces turned to shock when Sandy slowly curled the weight upward, curling over half a ton with one arm! Her biceps roared upward with the effort, building into mighty girl muscles of steel 50 inches around!

“Seems pretty light to me! Now about your bad attitudes, whatever shall I do about THAT?”

You have the following choices:

*Noteb*
1. Sandy takes on all the men

2. Sandy shows off for the men

3. Kyle gives Sandy another kiss

*Noteb* indicates the next chapter needs to be written.
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