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Rated: 18+ · Interactive · Sci-fi · #1720876

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Chapter #4

His sister

    by: Wassel Author IconMail Icon
Standing there in the doorway, with her hands on her hips, scowling at Sean was his older sister Becky; the bane of his family existence. She was only two years older than he was but you would hardly believe it from the way she acted, always bossing him around and treating him like a little kid, possibly due to some inferiority complex she'd developed due to her vaguely tomboyish appearance.

"None of your damn business Becky!” Sean replied, angry that she had once again just barged her way into his room without knocking as well as slightly flustered at almost being caught whacking off, “Now get the hell out of my room will you?" Fortunately he'd managed to get his pants back on just in time; unfortunately the soiled porn mag was still lying on the floor open for all to see, something her eyes surely wouldn’t fail to notice. "Shit!" he thought, quickly reaching to dispose of the evidence before she did, finding that Becky's nosiness’ far outmatched his own reflexes.

"Oh I get it, jerking off again to your little dirty magazine where you?" she smirked, half in disgust, half with a very knowing sense of superiority, like she was actually glad to get the chance to humiliate him. "You’re such a little perv!"

"Fuck off!" Sean replied, becoming even angrier, well aware that she would milk this for all it was worth.

"Well I suppose it is the closest you’re ever going to get to an actual real life woman, God knows no self respecting girl would ever want to go near a weasely little perv like you, never mind go out with you." Her smug sense of satisfaction was more than evident as the words dripped from her mouth, the fact that she'd somehow managed to snag herself a boyfriend despite being a total bitch and having the body of a 12 year old (one of the perks of having popular friend's) deluding her into thinking she was somehow better than he was.

"Just shut the hell up Becky," he snapped, picking the magazine up off the floor and waving in above his head, "These women might not be real but at least they look the part, they're not fucking surfboards!"

The surfboard comment really seemed to do the trick, turning the tables and riling Becky up instead, having always been somewhat self conscious when it came to her practically nonexistent chest, going so far as to wear padded bras in an effort to compete with her more well endowed friends. "Screw you you little dickweed! I bet your pecker is about the size of...of...of a pickle!"

"Maybe but at least I’ve got bigger tits than yours, itty-bitty-titty-Becky!" Sean continued, laughing and twisting the knife even more, "Maybe if they were a bit bigger you wouldn't have to stuff your underwear every day!"

Becky's face was practically crimson now, her cheeks puffing out and he fists tightly clenched, looking as if she was about to claw her brother's eyes out at any second. She didn't however and instead something far stranger happened, the mention of her tits being "bigger" suddenly causing an unexplained expansion beneath her shirt, almost as if her tits were actually getting bigger. "Whoa...what the hell?" Becky suddenly shrieked, looking down to see her chest filling out, her once tiny A cups quickly transforming into D's then Double D’s. Sean watched equally fascinated, putting a halt to his taunting as he watched his sister's boobs stretching out her shirt, utterly amazed and completely mystified by the remarkable sight. "My boobs! OH MY GOD, MY BOOBS!" Becky squealed with delight as the growing finally came to a stop, groping at her two new large, firm mounds with her hands, squeezing and pinching at them to make sure they were real.

While this was going on, a thought suddenly occurred to Sean, remembering the incident earlier when he'd watched his cock grow in his hand, putting two and two together and coming out with four. "Holy crap, I did that! I made her tits grow!" he thought, realizing the possibilities such a power could have, deciding to...
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