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Rated: 13+ · Interactive · Animal · #1973476
Anthros growing muscle and showing off! You decide how it works.
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Chapter #7

Grows to the size of a bodybuilder

    by: Thoughtful Writer Author IconMail Icon
Burt gobbled down the handful of mushrooms he had in his paw. Shortly after he swallowed, Burt felt a familiar tightness and burning in his chest. This time, it felt more intese than the last time. Burt knelt on his hands and knees over the pain. He growled slightly as his chest began to fill his tank top. The fat on his waist was quickly melting away. His pecs began to thicken as a six pack began to emerge right below them. His arms swelled to a new size and grew more defined and vascular. Veins began to slither across his arms to deliver blood and power to his new strength. Burt's legs grew to the size huge pythons. The tendons in his legs thickened and coiled as his thighs were shaped into perfect tear drop form. His calves plumped to a new peak. Burt could feel power running through him. He could also feel his bones shifting as if he was getting taller. Burt stood up and let out a grizzly roar at the climax of his growth. After what felt like forever, Burt's transformation was done.

Burt took a deep breath of relief and another one in awe as he saw his body. He looked down to his chest and saw clear pec and abs definition underneath his tank top. He looked down further to see his legs grew longer and stronger. They reminded him on the trees Anthony forced him to cut down but Burt's legs were indestructable. Burt then saw how big his arms got and smiled. He raised his right and flexed hard on his bicep. His bicep grew to the size of a melon. Burt's smile grew wider seeing the power he now held inside his body.

"This is so awesome!" Burt said. "I feel incredible! It looks like I'm about the same size as Anthony! Wait till he sees me like this!" Burt turned back to the mushrooms. A thought struck his brain: why should Anthony see him as the same size when Burt can grow even bigger with the mushrooms. Burt smiled. There was no question. He had to be bigger than Anthony. Burt figured it was time to see how Anthony felt like being the small one. Burt grabbed not one but two handfulls of mushrooms! He licked his lips and said, "Let's see Anthony pick on me now!" He then jammed both handfulls ravenously into his maw and swallowed them whole.

At first nothing happened. Burt waited for one minute.. then two.. then ten. Maybe the mushrooms could only do so much. Burt sighed softly in a bit a bit of disappointment. He had been loking forward to really sticking it to Anthony and showing him that he wasn't a bear to be messed with, but he supposed this size was good enough to prove his point. Even without growing any bigger, he was still a very big bear now. Burt grinned as he brought up his left arm and flexed, giving the bicep asqueeze before he decided to go on and leave. As he was walking away from the mushrooms he was struck with a sharp pain in his stomach that caused him to stumble and fall to his knees with a loud cry. It was like someone decided to grab his intenstines and twist them all into balloon animals. His hands pressed hard against the ground, his teeth clenched tightly as he tried to calm down, but each breath brought on a fresh wave of pain.

"Oh god, did I eat too many? Are they going to kill me?" Burt had to hold in a scream as the pain spread down to his fingers and toes. It was immense and he wasn't sure how long he could take it before he passed out. The pain had begun flaring up into an intense heat. It burned his body like he'd decided to press himself against a heated furnace. It burned intensely and a gutteral cry of pain ripped itself from his vocal cords before he felt his bones and joints popping and heard them cracking loudly. As he clenched his eyes, he was aware on a very basic level that his clothes had begun feeleing tighter. Through his blinding paina nd agony his body had actually begun growing. It started in his legs which began swelling up to peaks of unbelievable heights of raw power. The muscles rippling and throbbing, every eartbeat that passed his legs were swelling up like balloons. Unlike balloons though, these legs could kill if he kicked someone hard enough. The raw power and the vascularity would make other men stare in envy.

When the growing began slowing in his legs, it began picking pu in other areas. His abdomen throbbed and coiled, the muscles moving almost like there was something squirming around under his skin and fur and a whole new row of abs formed, giving his a solid monstrous looking Eight pack of abs. Thick snake like veins snakes their way down the abs. You cvou;ld see every heartbeat as the vein vibrated with every pump of his blood from his heart. His pecs almost doubled in size as they were flooded witht he intense energy that was making his bodsy grow. Puffing out, this muscular veins spider webbing across them as they grew into almost pillow sized Pectorals... well if there were such a thing as spider web pillows. His arms were the last to grow, but the change was explosive. The biceps pulsed and flexed of their own accord. Each flex they actually began getting bigger. Swelling up, gaining inch after inch of pure muscular thickness. Ther was not an ounce of fat to be seen on those muscular arms.

Once the growing had begun slowing the pain began dying down. Burt remained on his hands and knees, panting hard when a loud wild roar erupted from his lungs. He sounded and felt like a wild animal. It took several minutes before Burt wqas able to finally stand up again. He was sweating profusely even as he tok his first step towards the outside of the cave. Witht hat first step came another... and then another. One by one until his paws touched the cool grass and rocks just outside. He breathed heavily for several minutes afterward. Sucking in as much air as he could each time. It was like his body was trying to adjust to taking in enough oxygen for such a massive body now. As he looked down he realized he wasn't wear his tanktop anymore. A look back intot he cave where he'd been collapsed revealed the sweat covered shirt, completely torn apart by his growing muscles without his knowing. As he slowly took int he sight. He found himself having issues moving because the pants now hugged his legs so firmly. It was like having a second skin over his fur.

Burt took in one more deep breath of air as he Brought up his left arm and flexed. As that massive mountain reached it's peak, the familiar snakes that were his veins popped out of the fur. It was an incredible feeling as he used his right hand to squeeze and rub this new monstrous bicep of his. He didn't know that the mushrooms could have such immensely potent results. He'd even managed to get even taller than before. Al int he name of his muscles needing to fill out into a body that worked best. A great big toothy grin spread over Burt's face. "This is amazing! There is no way Anthony would ever mess with me again."

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