Chapter 9

"Please, baby. I need you to fuck my ass. I need my son's prick stuffing my butt."

Stephanie whimpered the words at her teenage son as she was on all fours, her head down on the pillow, her ass up in the air pointed into Marty's direction. The lewd mother flexed her anus, making her rear orifice wink at the 15-year-old boy, inviting him to do as his mother requested.

Marty, in turn, was sitting back on his haunches looking at his pleading mother in front of him, looking straight at her rump, seeing the pink slit within her hairy cunt drip its delicious, fragrant juices, one drop at a time, and seeing the crack and the dark asshole between her spread butt cheeks. It looked obscene yet oddly inviting to the boy, who hadn't thought of his mother's anus for his prick to sink in. But here she was, asking him to do so.

Stephanie noticed that her son was looking at her, maybe wondering whether he sure she'd asked him what she'd asked him, and reached back to let her fingers trail up and down the crack of her ass. Her fingers went into her cleft from above, starting at her tail bone, running deeper and lower and moving over her flexing, brown sphincter, rubbing the rubbery, wrinkled pucker with her finger tips and sinking one finger tip into it up to the first knuckle. The 34-year-old woman realized she needed lubrication to make the act easier and more pleasurable and thought of a truly intimate act for her son to perform before finally fucking her there.

"Kiss it for me, baby," Stephanie cooed. "Don't just sit there. Kiss my asshole for me. Give mommy's butt hole a nice, sloppy kiss. Make it wet for me so your prick will go in easier."

"Kiss your asshole, mom?" Marty asked, the thought having been alien to him thus far in his life. Had anybody ever done such a thing? Put their mouth on someone else's asshole? The teenage boy didn't know, but he knew his own mother certainly asked him to do so, and certainly she wouldn't ask him to do something that wasn't nice to do.

With Stephanie retracting her finger tip from her flexing anus and spreading her buttocks wide, Marty looked at his mother's crack. The boy was really horny and the tight brown hole looked tight enough to give his prick a lot of pleasure, so if he had to put his lips to it in order for his prick to get access later, he'd sure give it a try.

So the 15-year-old bent forward and stuck his face between his mother's soft, warm butt cheeks, putting his face right at her humid crack. Stephanie felt the warm softness of her son's cheeks press against the cheeks of her ass, feeling his hot breath wash over the valley between her globes, making her anus pucker up deliciously. The horny mother could hear her son breathe, inhaling her scent, and knew he didn't mind it when she finally felt his wet lips touch her wrinkled opening.

Tentatively at first the boy kissed it a few times, gradually giving the flexing dark muscle bigger smooches. Stephanie bit into the pillow beneath her head as his lips started lingering longer and longer on her aromatic, twitching anus, knowing her darling, teenage son was getting used to the texture, the taste and the fragrance of his mother's most intimate of holes.

Finally she felt the tip of his tongue poke at it, wiggling at it carefully as a snake would with its tongue.

Not even realizing he'd already touched her anus with his tongue before when he ate his mother out, Marty took careful laps at his mother's butt hole with the tip of his tongue, tasting a bit of saltiness from the sweat covering his mother's dark muscle, but not much else, so he proceeded to lick faster, harder and deeper.

The 15-year-old boy's tongue started lapping at his mother's bung with increasing thirst, lathering it with his spit, making the dark rim glisten with wetness, and it didn't take very long until he was liberally feasting on it. Stephanie grunted and whimpered as she remained stationary in her position, allowing her son, her very own son, to rim her asshole deliciously, feeling him lap at her and hearing his lips make sucking and slurping noises. The depraved mother arched her back in wanton incestuous desire, slowly rotating her hips and humping her ass back at her son's face, trying to get his tongue deeper inside of her rectum.

Stephanie had a hard time even imagining just how they'd gotten to this point. It seemed like an eternity that she was simply sitting behind her computer in her underwear, writing her filthy little internet story, when she was discovered like that by her son. Everything that happened after that seemed like a dream now, but here they were, son eating his mother's ass, doing the very type of thing Stephanie would have her incestuous, fictitious characters do in her stories. The fantasies didn't come close to the reality for her. Nothing could have prepared her for the depth of her feelings, her desire and the actual physical pleasure that she'd been having with her teenage son. No man had ever given her as much pleasure as Marty was doing right now; not necessarily because he was the best at it, but because of the relationship between them; because they were mother and son, and for Stephanie that meant sexual bliss to the tenth degree. A fantasy that had become reality.

Whatever would become of their relationship after this evening was something for Steph to ponder over later, but she couldn't see it become anything less than enthralling. She wanted to show the boy everything, teach him everything, all the possible sexual adventures they could share and that they both felt comfortable with.

But for tonight, only one act remained that needed to be done. She needed to have her son's prick up her ass and empty his balls there. She needed her son to take the incestuous virginity of the last of her holes.

"Oh baby ... That was so hot. You lick my asshole so good, Marty. But now I need you in my ass, honey. Please stick your hot prick up my butt. Fuck my ass, son. Fuck your mother's ass."

Marty removed his face from his mother's ass cleft, having thoroughly lubricated her anal muscle with his saliva and took his position behind her. As Stephanie kept her buttocks as widely spread as she could, stretching her crack wide and her anus slightly open, Marty put the head of his mushroom shaped cock against it and slowly pushed. It took quite some power to force the helmet into the tight hole, spreading the wrinkled rim open around it until it finally closed tightly behind the wide ridge of his cock-head.

"Gosh, mom ... You're ass is really tight," the boy exclaimed. "I don't know if I can go much deeper. Doesn't it hurt?"

"Uhhhnng ... It hurts a bit, baby. But it hurts in a delicious way. And it will become better once you get going. Just go slowly, son. Slowly go deeper. Every now and then you can spit on where your dick is in my ass."

Stephanie had never felt this full in her life. She'd never been fucked in the ass, always having dreaded a man's large cock in that small hole, but for her son she desperately wanted to make an exception. She simply needed her son to be inside her there as well as having been in her cunt. It was an act she simply needed to have done, to make the experience even better, and hotter. Thankfully he hadn't fully grown yet, so she'd have the chance to slowly grow accustomed to a prick in her ass as his cock would get even bigger in the coming years.

Slowly Marty shoved his prick deeper into his mother's bowels, and Stephanie started getting used to the feeling of the pressure in her ass, until the fullness really started turning her on beyond belief. The perversion of the act sent sharp shivers through her body, making her contort her face, forcing grunts from the pit of her throat involuntarily, clawing at the bed and arching her back as her son was now the one with his hands on her ass and keeping her cheeks open.