Tails couldn't help but smile at the sound of his heavy foot steps. He was massive now. His belly growled loudl. He gently patted his massive gut, "Yes, yes, I'll feed you in a moment. Right now I need to find out more about this serum." Tails found a computer and grabbed two chairs to sit his huge body down. As he typed he found information on two different types of strength manipulations. The first is the more powerful XP variation. This one completely boosts the biomass of the user. It says that more then muscle increases. Tails smirked as he slapped his gut. It also increases other functions such as libido and brain power. Side effects are a loss of inhibitions, also any calories consumed will increase users biomass. Users also develop pheromones that intice others into romance. The second is the weaker SP variation. This version increases the muscle mass of subject alongside they same side effects of the XP version. It says also that SP used become completely subservient to XP users. Tails shouldn't be smiling at this thought, but he was. Tails continued to read finding there was a surplus of SP and one other XP syringe. And what luck he was in the lab in question. He found 21 syringes to make a kingdom of his own. He gathered the syringes and placed them into a duffle bag. His belly growled loudly. "Damn it! I need food!" Shouted Tails. He noticed a machine he'd not noticed before. It seemed to be some kind of replicator. He typed in the info and got ten chili dogs with extra cheese, curly fries, and a large mint milkshake. He shoveled two dogs down in one bite. He devoured his meal and belched loudly. Almost instantly he felt his body grow. Not just muscle and fat, but he's gotten even taller. Tails found a machine to scan himself. His current height was 6'8, weight 550lbs, muscle mass ratio 60% muscle 40%fat. Tails smiled at these results. He sat down and started to relax. His thick paw griped his dick and started strocking it. His thoughts went back to him and Sonic. But then visions of others changed like him. Sally and Any thick and muscular licking his shaft. Knuckles and Shadow taking turns pounding his massive ass. Ash and Mins running his fat belly while Vanilla and Bernie feed him. A paradise where he is king, with dozens of lovers of both genders. He finally came, his paw covered in thick cum. He picked his paw clean, moaning the whole time. He wanted. NO, he NEEDED more. And once Sonic gets back, her get more. Tails'thoughts were interrupted by a loud gasp. He turned around to see...
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