The Gods Play Dice - Cover

The Gods Play Dice

Copyright© 2023 by RetrospectiveInsomnia

Chapter 3

Incest Sex Story: Chapter 3 - Every week, Thomas gets to fuck his sister. Together, they roll two dice, and depending on the total sum, he gets to receive either a handjob, a blowjob, her pussy, or her ass. The only catch? He only gets to do it for sixty seconds, after which his chastity cage goes back on to prevent him from masturbating or touching himself elsewise. And faced with such a short time, it isn’t long before his frustrations begin to get the better of him as he is teased beyond his endurance.

Caution: This Incest Sex Story contains strong sexual content, including Ma/Fa   Coercion   Reluctant   Heterosexual   Fiction   School   Incest   Mother   Brother   Sister   Anal Sex   Masturbation   Oral Sex   Sex Toys   Voyeurism   Small Breasts  

Dinner went about as well as it usually did. That is to say, not at all. Thomas could hardly focus as he sat down at the table. His stomach felt like it had been tied up into a knot. Besides him, his sister was once again arguing over something or the other, and he sighed as he tried to block her out. The last hour or so before his unlocking was always the worst.

“Oh, don’t be a such baby,” said their mother.

“But it feels really weird,” said Sarah.

“Just three-quarters of an inch, that’s all,” said their mother, “And besides, you can always take them out before bed.”

“But like, everyday?” said Sarah, “Even at school? Like, every time I sit down, it just keeps pressing up against the front and...”

She trailed off, and Thomas could almost hear the shift in her voice as her cheeks turned color. Or imagine in this case, since he wasn’t exactly paying attention right now for what it was worth. Even if she was his sister, Sarah was still Sarah, and the longer he had to listen to her complain, the worse his headache got. And all their mother had done was bring up the usual suggestion again of buying her a new set of ben wa balls to replace the old ones that she had received around the time he had been locked up.

Sarah scowled, and their mother shrugged her shoulders. Thomas stared down at the table in despair. It was just another one of their normal dinnertime routines. Constant arguing that never seemed to cease, regardless of the subject matter at hand. He poked at the food on his plate again with his fork. They were having spaghetti with white sauce today, and pulling apart the noodles one by one, he watched as the oily substance slowly dripped off each strand to gather down below. Thick and viscous, just like...

“Anyways, I just hate how it feels afterwards,” said Sarah, “Like, it’s all swollen up and hard.”

“How about a buttplug then?” said their mother, “That way, it’ll only be your-...”

“No,” said Sarah.

“Or a maybe clit vibrator-...,” said their mother.

“No,” said Sarah.

“A nipple clamp-...,” said their mother.

“Gods no,” said Sarah, rolling her eyes as she groaned, “That’s even worse.”

Given the current state of her breasts, it didn’t exactly take a genius to figure out that her nipples were probably still sore from the results of her growth. Or rather, the lack thereof, given the fact that she was still wearing a training bra underneath her shirt. Sarah crossed her arms in silence, and the two of them continued to stare at each other from across the table. Mother and daughter, locked together in a battle of ideological will. Then, their mother blinked once, and she let out a sigh as she finally gave up.

“What do you want then?” she said, “You can’t just go with nothing at all.”

“And why not?” said Sarah.

“Because it wouldn’t be fair for your brother if you get to skip out,” said their mother, “And besides, it’s not like you even have that much to complain about. I get that it’s frustrating, but it’s probably even worse for him since he’s a boy, and he has to hold it in as well.”

There was a short pause, and Sarah hesitated as she tried to think of a response. For the first time since the argument had started, Thomas looked up in interest. Beyond just the usual weekly practice of having her suck him off, they were also required to meet a certain quota every day after school. Endurance training for him, and Kegel exercises for her. Which they both naturally resented, but the only other option was a punishment spanking bent over the arms of the couch. After which they would both be forced to go through the entire thing again anyways, only with a sore bottom this time around.

Double exercises for the both of them if either one of them messed up. It had only happened a couple of times before, but it hadn’t taken long after that for them to start holding each other accountable. Thus, it was probably for the best that Sarah finally surrendered. Shifting in her seat, she mumbled under her breath as she stabbed down at her plate with her fork.

“The ben wa balls then,” she said, “Just don’t get the ones that are pink.”

“How about blue?” said their mother.

“Blue is fine,” mumbled Sarah, “No bumps though. Bumps are the worst.”

Their mother nodded in sympathy, and Sarah looked back down towards the table. Then, with that out of the way, it was back to dinner as usual. Mostly just for their mother though, since after that short conversation, Sarah seemed to have grown just as out of it as well. Thomas couldn’t blame her. After two entire weeks of being locked up, his prostate was already starting to feel like it was about to burst. With the amount of fluids stored up inside, he didn’t even want to think about how it would feel to have something constantly pressing up against it like Sarah had to do with her g-spot at school.

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