Clarissa was even better looking than Neil remembered. The tight sorority-girl tee shirt was gone, replaced by something classier and sluttier at the same time. Her dress was low-cut with a very short hem that only barely reached below her ass; clearly, it was meant to entice. It was tight, clinging to her curves beautifully. It emphasized the roundness of her breasts and the fullness of her behind. Neil idly wondered if Clarissa’s fantastic bust was the work of nature or a talented surgeon. His reverie was cut short as she cleared her throat. “Mr. 22-Inch Arms claims to be here too, Mr. Physique?” Her saucy smirk was all it took; he smiled and pointed her in the right direction.
Neil followed Clarissa to Brock’s bedroom. Her ass swayed from side to side in her tight, short dress. When they arrived, the big man was facing away from them, performing a side-chest pose, admiring his reflection in the mirror. He was fully naked, his erect dick bobbing eagerly as he flexed. His reflection grinned at them when he saw them enter. “So, babe,” he purred, “My good buddy Neil here tells me you’re a fan of the jacked male physique.” He turned to face them both and stepped forward into a most muscular pose. Even with, or perhaps because of, the somewhat dim lighting, he looked massive, his 22-inch arms flexed hard as he grinned at them both.
Clarissa was clearly impressed. She stepped forward, then confidently began to run her hands over Brock’s huge arms, exploring his delts, his biceps, his triceps, even his forearms. “The bigger a man’s muscles are,” she purred, “the more fun we have in bed. There’s nothing like feeling up a rock-hard, bulging muscleman as he uses all that strength to pummel my pussy!”
Brock’s grin was sharklike. “Is that so…” he growled, pumping his big arms several times, making his biceps stretch and contract as she ran her hands over them. “So that explains what you saw in my buddy Neil here… but as you can see, I’m even bigger!” He stepped back and raised his arms in a double-biceps pose, the balls of muscle swelling impressively at his command.
Clarissa responded by taking off her dress, revealing that she had neither bra nor panties beneath it. Left wearing only a pair of high heels, she did her own bit of posing, groping and showing off her big tits and swaying her hips enticingly. “I’ve had a lot of big studs, but I think you may be the biggest!” she exclaimed, running her hands over her breasts, then down to caress her stomach and hips before casually grazing over her own pussy. “Think you can show me a night I’ll never forget?”
“Babe, I can guarantee it!” Brock growled in response. He stepped forward, picked her up in his strong arms, and carried her over to the bed, several feet away. As he set her down, he looked over at Neil. “C’mon, bro! Strip already! She wants both of us to play with!”
Neil took off his clothes as Clarissa and Brock began to make out on the bed, running their hands over one another, exploring each other’s bodies. Neil got on the bed with them as soon as he was naked, his two hands joining the other four already in action, alternating between running them over Clarissa’s body and reaching across her to feel up Brock.
The three-way foreplay continued for several minutes until finally Clarissa could not bear it anymore. “I need one of you in me! Now!” she demanded.
Brock moved into position. Within moments, his cock was plunged inside her, drawing wracked gasps of pleasure from the sorority girl. Although the big man’s balls were shrunken and useless, the synthetic testosterone that suffused him ensured that he still had rock-hard, eager erections. He pounded away at Clarissa’s pussy, driving his dick home over and over, jackhammering her as she cried out in ecstasy and clawed at his huge muscles as he fucked her.
It was Brock’s turn to make noise when he came, loud grunts issuing forth in his deep voice. He pulled out of Clarissa after a moment and lay beside her, panting and grinning.
“You’re up, Mr. Physique,” she said, turning to Neil. “Your big buddy here got me started, but I’ve only had two orgasms and I know you can get me more!”
Neil obliged, taking Brock’s old place. Although his muscles weren’t quite as big as the other man’s, Neil’s cock was enormous by comparison. Clarissa let out a cry of shock and joy as it entered her, gripping Neil’s powerful shoulders as he slowly pumped it inside of her. He was slower and more deliberate than Brock had been, at least at first. But at Clarissa’s urging he began to fuck her faster and harder, slamming his oversized tool in as far as it would go. It drove her wild, making her scream from overwhelming pleasure as she rode from orgasm to orgasm. When Neil came inside her it was an intense experience, one that left him shaking all over. After Neil pulled out he flopped over to the side, panting heavily.
“Fuck that was hot…” Brock growled, reaching across Clarissa to run a knuckle along the length of Neil’s big shaft. “Don’t let it get soft for too long,” he added, sounding mischievous, “ ‘cause you’re going to need it when we fuck her together!”
“Dude,” Neil gasped, still catching his breath, “there’s no way we’ll both fit in her!”
Neil laughed, then began to stroke himself as he kissed and licked one of Clarissa’s bountiful breasts. “Nah man. I’m going to fuck her… and you’re going to fuck me! At the same time!” He laughed again, then sucked on the college girl’s nipple. “That sound good to you, babe?” he asked.
“Oh yeah…” she responded, her voice a soft moan, full of approval for the idea.
“Knew she was a kinky one,” Brock grinned in response, as he finished stroking himself to renewed hardness. He then mounted her, sliding himself into her pussy, finding it looser and wetter than before. Still, he began to slowly pump himself into her, until he could see that Neil was ready to go again. At that point, Brock slowed down and waited for Neil to enter him. “Aww fuck yeah…” the big man growled as he felt Neil’s big tool penetrate him from behind. “Now c’mon, Neil… really let me have it!”
Neil complied. He vigorously thrusted into Brock, which in turn pushed the big man into Clarissa. The muscle-loving college girl gasped in pleasure, reaching up to try and touch both of the men who were on top of her. As Neil fucked Brock, he noticed something surprising: he could feel the man growing beneath him. The big man’s back was becoming wider and more muscled and the bald spot on the back of his head was expanding as well. More grays appeared in the hair that was left. Neil could feel his own body changing, getting stronger.
They continued to fuck in that way until both Brock and Neil had come, and Clarissa had experienced several more orgasms. Afterwards, the three of them lay together, entangled, recovering from their epic orgy.
“Ever had a man with twenty-three-inch arms before?” Brock asked Clarissa, raising one of his big pythons and flexing it proudly.
“You’re the first, big man,” Clarissa replied languidly, reaching up to idly stroke the peak of Brock’s bulging biceps.
“Twenty-three? When did you gain an inch?” Neil asked, distinctly remembering Brock boasting about having twenty-two-inch arms, earlier in the evening.
“Uh, a couple months ago, bro,” Brock replied, looking over at Neil in confusion. But then Brock was distracted by Clarissa who was guiding his arm to her lips, allowing her to run kisses along it.
Clearly, neither Brock nor Clarissa realized that the big man had grown that night. The reason why still eluded Neil, though. He looked down at his forearms. They seemed a bit bigger than before, a bit more defined; he had grown as well. But he seemed to be the only one who realized that changes had occurred. Another thing about it was odd: neither of them grew while fucking Clarissa, only when Neil fucked Brock...