All characters over 18 years old.
"What mischief have you been up to?" Mary inhaled deeply. Jacob's bedroom was filled with the unmistakable fragrance of her son's semen. It smelled like how she imagined the scent of a pristine forest floor from sometime before the fourth war tainted the Earth's natural places. Jacob's snoring emanated from his bed. "Hello? Anyone here?" She wondered if the lucky woman was still in his suite, but there was no answer. It had probably been Humility. Mary didn't mind that Jacob still tended to his sister-in-law's private garden. But only because he had more than enough of his gift to spare.
"I'm coming into the bathroom." Mary walked into the bathroom. It was still steamy, but no one was there. She wetted a towel in the sink with warm water and made her way over to her son's bed. She was sure he had fallen asleep dirty from his deeds. He was lucky to have a mother that would come clean up after his messes. "Jake? It's me." But he didn't awaken as she pulled off the sheet that covered him and went to work gently scrubbing that great, flaccid instrument of his. The thing was quiet, with only a slight, steady pulse under her fingers. It was rare that the leviathan wasn't writhing and seeking out new territory to tame. She chuckled to herself and finished her toweling. His penis grew as she watched and moved about like it was waking. It clearly wanted more of what the last woman had given. She stood and undressed. Soon she was only wearing the platinum cross around her neck.
What a happy surprise her son would have when he woke to her riding him. She climbed onto the bed, straddled him, and reached under her. But before she could guide the penis in, it had already found her sacred grotto. "Ugh ... oh ... how ... how do you know what to do while Jake sleeps? That spot is ... aaaahhhhhh ... perfect." She settled down on him, grateful that the Lord had made her tender son so fruitful ... and irresistible. Placing her hands on his skinny chest, she ground into him with an eccentric rocking motion. She watched his eyelids open. "Welcome back from dreamland, sleepyhead." She smiled down at him, aware that his eyes immediately fell to her wobbling breasts. Maybe he was just watching the metal cross dance as it bounced from one boob to the other. But Mary didn't think so. And she didn't mind. He should enjoy all aspects of their mission's fecundity. "Was it Humility who soiled you so? I ... uh ... uh ... had to clean you quite thoroughly when I arrived."
"Oh ... thanks, Mom." Jacob sighed. It was a lame thing to say to the woman riding him, but he was still fuzzy and distracted. And thankful. "It was Humility." Jacob thought about telling her about how he had surprised himself by taking his sister-in-law's ass, but then thought better of it. His mother was quite religious, and he didn't think she'd understand. He wasn't supposed to plow a barren furrow and all. But then again ... he was fucking his own mother at that very moment, and while their scripture didn't necessarily prohibit incest, it did condemn adultery. And she didn't seem to mind breaking that rule, or facilitating his breaking of that rule with others. So ... "Mom, Humility and I ..."
"Shh. Sweetie ... you can tell me ... later ... ughhhhhhh ... right now, your thing has ... found a spot ... deep in the back of my ... oh goodness ... I'm ..." She gave a little shriek and then a long moan.
"You look so hot like that, Mom." Jacob could see the muscles on her thighs quivering with delight as her face screwed up in a very unladylike way.
Coming down from her orgasm, Mary was going to chide her son for saying she looked "hot" when his penis pushed hard at her insides. "Oh ... what are you doing? Oh ... oh my." It was too much and she lifted herself off him. "That hurt, Jake. Don't do that." She fell off him, onto her butt on the sheet. She stared at his leviathan. It was white with her own froth, and even though it was huge with his hardness, it moved about as if testing the air. Her eyebrows lowered her face into a scowl.
"I didn't do anything." Jacob looked at her. The way she was now leaning back on her elbows, the blond triangle of hair between her legs pointed right at him. Her pussy gaped and pulsed, as if it was as breathless as she was. He looked up her body, past the gentle slope of her belly up to her great, hanging tits lolling to each side. "Sometimes my ... thing has a mind of its own."
"I guess that's true of most men." Mary opened her legs a little wider for him, and the stern expression melted. She opened her arms, too. "Just tell that big guy to go a little easier on me." Her son fell into her arms, planting kisses on her clavicle and upper chest. "Wait ... wait ... what's it doing now?" His penis seemed confused. It was pushing at the wrong hole. "You can't ... oh ... wait ... ouch." The head, still slick with her froth popped into Mary's butt. Her whole body tensed and she lay perfectly still, praying that it would only be the head. "The scripture says --"
"I know what the scripture says, Mom." Jacob was a bit frustrated with his dick. You don't just take your mom's anal cherry. His cock was getting out of line. "Humility already went through that with me."
"You ... um ... took her ... butt?" Mary breathed mechanically in through her nose and out of her mouth. She realized it was the technique she'd used all those years ago during childbirth. This felt quite similar.
"That's what I was going to tell you. It wasn't on purpose." He tried to pull his hips back but his dick turned a little sideways and hooked itself inside her.
"Ow ... ow ... ow ... stop." Mary was now rigid as a board. "It hurts." When he'd tried to pull back, Jacob had created some space between them. She looked down. Jacob's thing always looked obscene between her legs, but even more so now with her vagina empty and gaping and his long thick shaft disappearing below it. "Just ease ... it out ... wait." The penis was now massaging the inside of her butt. And ... impossibly it was starting to feel ... good. "You can ... leave it there ... for a sec." She still huffed and puffed, but her seizing muscles relaxed some.
"Really?" Jacob relaxed, too. He lowered his mouth to her right breast and gulped down the warm milk that waited for him. The milk's effect was to make the whole experience more dreamy. His hips rocked a little. Her tight butthole did feel fantastic gripping his dick as it was. His hips rocked a little. "Is that okay?" He said around her nipple.
"Oh ... oh ... oh ... my ..." Mary swooned. So far, Mary had been teaching her son about procreation. Even though he was so very different from his father, she was familiar with all the basics. But now, Mary was not familiar with what was happening to her rear at all. He was teaching her. Well maybe that was because this sex was not about procreation in the slightest. "It is ... more than ... okay ... sweetie. It's ... magical." She put her hands on his tight, skinny butt and pulled him into her. The leviathan spread her out more and inched into her. "Why would ... He ... forbid such a ... thing. There must have ... been an error in translating ... the scripture. It is good ... it feels so good ... back there. It really is ... time for a ... reformation."
"Sure ... Mom." Jacob gently bit on her supple nipple, enjoying the little jetty of warm milk that sprayed into his mouth. "I am the chosen one, right?" His hips pressed down into her. After a few minutes, he was all the way in. His dick wiggled inside her guts. Jacob guessed it was searching out her weak spots.
"You are ... the savior of ... New Canaan. You will ... sow the fields ... on our new home. Oooooooohhhhhhhhh." Mary hunched into her son and a mighty orgasm took her. It was so odd to feel such pleasure without anything working on her vagina. Her son had opened her eyes to new horizons. How many women would he change in this way? All of them. Mary prayed that it would be all.
They humped like that for quite a while. It was a bit different from their normal missionary, because she had to angle her hips up a bit to give him better access when he wanted to really drive it into her. Her mind drifted in and out of floating rapturous nebulae. Eventually, his voice brought her concentration back to his handsome face. His hips slowed and he gave it to her slow and steady, his hands holding her calves up in the air.
"You look so beautiful, Mom." Jacob smiled down at her.
"Thank you, Jake." Mary smiled back. Her prayer that he should take every woman on that ship came back to her mind. "How is it going with Penny and Heather?"
Jacob told her all about how much fun he was having with Penny, and how Heather was jealous. All, while gently rocking in and out of her ass.
"Well, then. We have to be a bit careful there. You can't have them ... oh ... fighting." Mary reached up and brushed some of his sandy, brown hair off his sweaty forehead. "You may need to show Heather she has nothing to fear from Penny. And once that's done ..." Mary chewed her bottom lip as she thought of her prayer. "... you shouldn't stop with them. There are more women that need a savior."
"You mean ... the other ... Hendersons?" He looked down at his mother with wide eyes, his hips slamming into her again, watching her grit her teeth as she received each powerful thrust. Could he really bed all the women in that famous spacefaring family? He wanted to pinch himself. Penny had just fallen into his lap so he hadn't really stopped to think about the superstar he'd seeded. And her mother and sister? He imagined the genius, Judy, screaming in ecstasy. And then, as he slammed hard into his mother's butt, he thought about what Maureen Henderson's composed face would look like when he skewered her on his cock. "Oh ... shit ... Mom ... I could ... knock up ... the Hendersons. Aaaaahhhhhhhhhhh." He came deep in Mary's ass. As he came, he listened to her idiotic sounds. As the waves of his orgasm took him, he wondered how stupid Maureen would sound when he sowed her fields.
~~
