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Futa Pilled 2: A Futa on Male Erotic Story

 Becoming a futa, you need a helping hand. Fiona needs two.

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Ben has his hands full with Cassie becoming a futa—and he couldn’t be happier. But Fiona wants to find out why Cassie is growing more hung by the day and how they can sell that information to the powerful Lacto Corporation. Fiona finally turns to experimenting on herself—and finds out first hand how overwhelmingly pleasurable life as a futa can be.

Can Ben guide the self-conscious scientist through her freaky futa transformation? Can he keep up with Cassie’s ravenous, ever-growing lust? And can the three of them really challenge the Lacto Corporation and get away with it?

This 5.000 word story contains the following themes: FM, Futanari on Male, Female to Futa Transformation, Expanding Endowments, Multiple Endowments, Size Comparison, Growing Curves, Excessive Climaxes.

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Futa Pilled 2:

A Futa on Male Erotic Story

“Do we really have to be naked for this?” Ben asked. 

It was a perfectly valid question; hundreds of students across Fertile Valley University’s sprawling campus might have been naked at this time of night, most in pairs, but none of them had chosen the glaring, clinical light of the biochem department labs to strip. None, save for Ben and Cassie, both under the strict supervision of Fiona, who turned to him with a frown. She gave the impression of a senior academic despite being a freshman like the others; but then, wearing a lab coat was an easy way to boost her authority next to her naked fellows.

“It’s more efficient that way,” Fiona replied without looking up from her laptop. Beside her, a blocky benchside apparatus was powering up. “Lots of samples and measurements to take.”

“You just needed the pills, you said! That they were defective? Since they made Cassie, you know… transformed and all.” Ben started a wide-armed gesture, but quickly remembered that he had nothing else to cover his modesty and put his hands back.

“I have to see the effects on your biology if we are to have any chance of unraveling the chemistry behind it. That’s the whole point; we have to find out exactly what happened so we can sell it to Lacto.”

“Well, it didn’t do anything out of the ordinary to me. It was all Her. I just got two more inches, while she got…”

“Fourteen and a half.” Cassie said, impish as ever. It was hard to blame her for feeling smug, having grown stacked like an angel and hung like hell in a single stroke, a paragon of futa hypersexuality. She was completely at ease in her nudity, embracing Ben from behind while she fondled his cock. “But they’re a good two inches.”

“We’ll find out,” Fiona said. “The Lacto drugs are highly tuned. An off-target effect like making a woman grow a penis is bound to have consequences.”

“I don’t like the way that sounds.” Ben said. “Like my dick is bound to fall off or something.”

“Hardly. Unless a gender-reversal formulation made it into your pill.” Fiona looked at him over the rim of her glasses, a wry expression momentarily surfacing from her serious demeanor. “All the more reason to stop stalling, hm? The instrument has completed warm-up, so all I need is your semen sample.” She pushed a test tube towards him. “Whenever you’re ready.”

“What, here? Now? While you’re watching?

“I don’t know if you’ve noticed”, Fiona said, “but we’re not running a professional operation here. The lab doesn’t have a room for you to jerk off.” Fiona waved her hand. “I guess you can go hide behind a bench or something.” 

Ben made a face. “I don’t just cum on command, you know. I’m not a machine.”

“That’s not what the statistics say,” Fiona said. “Did you know that users of CockGro have reported a median of 15 orgasms a day while on the drug?”

“Hah! Those are rookie numbers,” Cassie said. “ I bet those boys don’t cum a tenth as much as I do.” She kissed Ben’s neck, grinning like a devil. “Don’t worry, Ben, I’ll help you out.”

“Gee, thanks,” Ben said, feeling Cassie’s gigantic girlcock part his thighs, her thick, firm shaft nudging his package from below. “We can’t all be blessed with a baseball bat between our legs, you know?” 

“Not yet. But maybe if our little science experiment works out… In which case,” she purred, “I’d get even bigger.”

“You really are aiming to become a tripod, huh?” Ben said, deflecting from the fact that his cock throbbed eagerly at the thought. Despite his fussing, Cassie’s teasing and rubbing (and the feeling of her enormous endowments against him) worked like a charm.

Cassie’s eyes gleamed with mischievous delight. “I’ve got big plans. We’ll see if I stop there.” Her erection slid back and forth, a fat droplet of pre forming at the tip underneath Ben’s own. “Fuck, look how much thicker my cock looks next to yours. You’re in for a hell of a workout, dude.” She ran her hand down his back, her fingers teasing his asshole.

Ben tensed up. “C’mon, Cassie. You’re way too big for that now, there’s no way you’ll fit!”

“Where there’s a will, there’s a way! And I’m all sorts of willing.” She eased a lubed-up fingertip inside him. “How about you?”

Fiona watched from the sidelines, playing with a pen. “The Lacto drugs have been shown to induce increased tolerance of stretching…”

“Don’t encourage her!” Ben snapped. “Don’t you have something better to do?”

Cassie laughed. “Don’t mind that, Fi. We’re more than happy to give you a show, aren’t we?” Her luscious lips played across Ben’s neck as she pulled back, her fat tits and even fatter cock sliding across his back as she led him towards a lab bench and bent him over the cold, sterile surface. “Now, with the science on our side, let’s get you milked good and proper.”

Ben shivered, but did not resist. It was the chill, he told himself, that made his nipples so hard against the benchtop—though he failed to find a similar excuse for the unyielding erection between his legs. Especially as Cassie’s own came in close, spreading his asscheeks around its massive, round tip, hot and wet as her preposterously productive precum dripped down Ben’s thighs. Even for a futa, she was on another level, leaking more pre than Ben could come in a day—plenty to make her whole length nice and slick and let the excess pool between their feet. 

“Fuck…” he whispered, squirming in place.

“That’s the idea,” she replied. “Now, be a good boy and relax.” Her hands roamed his hips, leaving tender strokes across his naked skin. Little by little, she spread his ass, working her tremendous girldick inside him with a succession of grunts and moans that rose in pitch—from Ben especially. Her thrusts grew stronger, smoother, as Ben warmed up to her—helped along by her deluge of lubrication. And as she hilted herself inside him, her huge, heavy balls slapping against his backside, she reached around to tease his cock, finding it hard enough to blow given a light breeze.

“Would you look at that? You are willing, aren’t you?” Cassie said. “Practically begging to bounce on my fat girlcock. You’re lucky that you’re so cute, because she likes you like that.”

Ben mewled helplessly, his face bright red as he tried and failed to form coherent sentences around the moans that invariably followed each thrust of Cassie’s cock, the loud slap of her skin against his ass. “S-so thick…” he cried, trailing off as the next thrust made him his vision swim and knees buckle.

Fiona’s voice cut in like the lights coming on at the end of the night to clear out a bar. “Remember to collect the sample!” But it was far too late. 

Ben shook, thrusting helplessly as he came across the floor, his cumshot drowning in the mess left by Cassie’s drooling cock. He moaned his orgasm out until he could no longer, sagging in place, hot and sweaty.

Cassie held him close, a wry smile on her face. “That good, huh?”

Fiona shook her head at the two of them. “You guys are terrible scientists. His cum needs to go into the vial!”

 

“Vial?” Ben groaned, looking up with a herculean effort. “What vial?”

Fiona turned back to her laptop, tapping furiously.

“No harm done,” Cassie said, grinning as her cock throbbing in Ben’s ass. “We’ll just have to go again!”

###

What sexy science does Fiona uncover as the 'experiments' continue? Read the rest to find out!

If you liked this story, you may enjoy Warped Futa Wishes

Or check out all the other futa stories in the catalog.

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