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It wasn't difficult to find Josh. Having Liz pound the life out of him twice in a row left him unable to walk straight, and he had confined himself to his bed while recovering. And now, he was seeing her for the first time since her doctor's visit, and the fright was clearly evident on his face. At her new size, she had to bend over to fit through doorways, and as she slowly rose to her full height, mere inches below the ceiling, his terror only intensified.

"What's the matter Joshy, feeling a little under the weather today?" Liz teased as she approached the bed.

"Y-y-you're enormous." stammered Josh.

"Awww, you noticed! How sweet." she cooed. "I was hoping you would be willing to explore my new size with me. I'd be quite upset otherwise."

Without waiting for a reply, Liz swiftly knelt down and ripped the sheets off of the bed. Climbing up and straddling Josh, draping her flaccid monster across his chest. Josh's trembling fear only served to excite her, the head of her cock bulging larger, inch by inch, as it approached his quivering lips. As her third leg came to it's full majesty, it gently bumped him on the chin and she let out a small moan. Tears began streaming down his cheek as images of what's to come began to fill his mind.

"Don't cry little bro. I promise I'll be gentle with you this time. I'd hate to break my new favorite toy when I still have a use for it. In fact, why don't you drive." Liz said as she took his hands in hers, and placed them on the bulbous head of her cock. "Make me feel right and I might even return the favor."

He started slowly at first, not sure what to make of this 180 degree turn in attitude from his sister, who just yesterday **** him within an inch of paralysis. There was little he could do except lick and suck the turgid rod as he ran his hands across it's length. It certainly wasn't going to fit in his mouth, and it's unyielding firmness would prevent him from any other manipulations he could think of. Fortunately, Liz new toolkit was exceptionally sensitive, and it wasn't long before she closed her eyes, moaning intensifying, as he pleasure within her began mounting. Gently bucking her hips, rubbing her length across his torso as he worked, she reached below in search of her brothers cock. A quick tug was all it took to rip his pants and underwear clean off his legs. Josh stopped his ministrations in worry, but a gentle look from his sister and a light tug on his penis let him know where she was headed, and he returned to licking her glistening meat before she decided on a better way to utilize it.

It wasn't long before Liz had Josh's cock inflated to it's full 9 inch salute. Though she'd only had her penis for a short while, her perpetual masturbation in that time frame was more than enough practice to manipulate it in a pleasurable manner. Josh began to squirm, even as he continued polishing her beastly knob, as she continued to work his shaft with her hand. Soon she began to feel something different though, another layer of pleasure on top of the one she'd been riding high so far. And then the wetness began, taking her by surprise. It wasn't the first time Liz's pussy became moist, but she had all but forgotten it's existence as her ever expanding rod had taken center stage. Now though, as she took on the feminine role of pleasuring her brother's penis, she couldn't resist reaching behind her balls with her free hand to probe this development further. Her probing revealed that her penis wasn't the only thing developing, as her fully developed genitals began to drip their juices down upon Josh's penis, lubing him up and causing him to shudder as the warmth was spread across his shaft.

Pre-cum began leaking from Liz's python as the two of them continued servicing each other, edging closer and closer to climax. Endurance seems to run in the family, in spite of her previous quick-fire sessions, as their euphoria causes them to lose track of time. Finally, Josh can't hold out any more, and Liz can feel the twitching of his meat in her hands. As he begins to ejaculate, semen landing on the small of her back, she quickens her stroke on his shaft. The feeling of his hot goo on her back pushes her own pleasure over the edge, and pre turns to spunk as she fires her first rope of hot sticky spunk, point blank at Josh's face. He's caught off guard, having been lost in his own pleasure, and begins **** on her seed. Unfortunately for him, his sister's orgasm causes her to once again lose rational though at she crams his mouth into her cock, firing load after load into his mouth. The sheer pressure of her cannon fire forces the hot liquid down his throat, injecting far more than any human should reasonably be able to contain. Some of the overflow begins leaking out of the corner of his mouth, mingling with the tears of pain as his stomach is grotesquely distended. As soon as the pain began, it was over.

"Finally!" Josh gasped, as he finished sputtering and began to breathe again. "I thought you were going to drown me!"

"Ooops, sorry little bro! I just don't know my own strength!" Liz giggled. Her penis was slowly deflating to it's still intimidating flaccid state. "I hope you're not too upset, because I still have needs for you to take care of. I'll even service you in advance this time!"

Josh began to object, but for all her massive size, his sister was incredibly swift. In just a few moments, Liz had slid off of Josh to the foot of the bed, and pulled his noodle into her mouth. Still drenched from their previous session, the taste of her own sex sent her moaning as she set to task with bringing him to attention. The feelings Josh was experiencing were unlike he remembered a blowjob to be, as his sister's gaping maw worked its magic and left him in shock. Sure enough, even though he had no time to recover, his flagpole was up and ready to go in no time at all. All he could do was hold on to the bed as she milked his member for all it was worth. Already drained from earlier, he was defenseless against her constant barrage of oral magnificence. Just when he thought he couldn't take anymore, Liz took his entire package to the hilt and packed his balls in for the ride. This was too much, and it pushed Josh over the edge as he began squirting down into her mouth.

"Now it's my turn!" Liz declared, releasing him from her lips and swallowing. "I hope you're not too full from the appetizer, because now it's time for you to eat me."

"You don't mean what I think you mean?" Josh began. But it was too late, his sister was already positioning herself above him, the smell of her dripping sex strong in his nostrils.

Slowly, with her pendulous cock dangling above, she lowered herself upon his face. At least for Josh, though he still had no desire for his sister, was experienced in the act of cunnilingus. A skill he had been practicing quite regularly upon his girlfriend, and that's all he could do to survive the ending of this ordeal, pretend he was eating his own girlfriends pussy. And feast he did, with a fervor that took his sister by surprise as she quickly began to twitch and moan under her breath. It wasn't long before she began bucking and grinding her tremendous hips in his face, spurring him onward. And then her whole body convulsed briefly, her first feminine orgasm of the day peaking, causing her to release a torrent of lady juice upon Josh's face. That wasn't enough to satisfy Liz though, and she continued to grind her brother's face with her sex until he brought her to orgasm several more times until finally, spent and soaked, she slid off him and collapsed onto the floor. The dirty deeds done, they both passed out from exhaustion as they were whisked away to the land of dreams.