Simpsons Porn Story: Alison comes to stay – Final chapter

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Chapter 5: ‘Long Night’

 

For a while, Allison could do little more than just lay there, flat on her back, panting heavily after having removed the pillow from her mouth. Sufficit to say though, she had a look of complete satisfaction across her face.

 

“You okay?” Bart asked with a smile, now sitting up on the bed next to the brunette, his own face still covered in her nectar.

 

Allison merely nodded to begin with, then smiled back at the boy who had just given her so much pleasure. “Yeah, I’m fine!” she managed to say at last. “I’ve never felt anything like that before. We’ve got to try it again,” Then, with a smirk, Allison added cheekily, “Oh, and did I mess you all up, Bart?”

 

“Touche, Allison!” Bart replied, wiping his mouth and grinning at her witty remark, not to mention her sudden enthusiasm so utterly different from the innocent little girl who had blushed bright red when she walked in on him and his sister yesterday afternoon. “Well, at least I didn’t get hit in the eye,” he laughed, eliciting a further giggle from her, as if coming all over him was an everyday occurrence for them. Lisa however, let out an unhappy sigh while she sat on the bed behind the satiated pair, now feeling more than a little left out.

 

“Hey! What’s the matter, Lis?” Bart asked, looking over at his sister who was staring blankly at the mattress in front of her.

 

“I suppose you’re not going to want to do anything with me anymore, now that you’ve got Allison to play with?” Lisa replied mournfully without looking up. The truth is she was feeling very frustrated now, visibly flushed even, her clumsy attempts at masturbation failing to alleviate the tension caused by their earlier antics.

 

“Don’t be stupid! Of course I still want to do stuff with you,” Bart said, moving a little closer to his younger sibling. “I never meant to leave you out. I just kinda got caught up with what I was doing with Allison,” he continued. Then, feeling a little sorry for her, Bart put his hand on Lisa’s leg and added, “I think she needs a break. If you want, I’d really like to do you now.”

 

Lisa looked all doe-eyed at her brother, with him looking back reassuringly at her sad expression. “Oh yes, Bart. I would! I still feel so strange from watching you two do that, you know,” she replied anxiously to him. In truth, Lisa had been feeling rather ambivalent over the oral bit, tired of being left out and wanting to join in the fun, but at the same time, finding it hard to overcome her embarrassment to do so.

 

Unsurprisingly then, after a few more moments of Bart and Lisa staring lovingly at each other, you could cut the emotion between them with a knife. Not that anyone would have had much time to do so because moments later they embraced with Lisa pecking Bart affectionately on the cheek, like it was something they had practiced many times before.

 

“Oh come on, you two! Now that really weirds me out,” Allison laughed, which was ironic after what she had just done herself, though she was obviously fooling with them.

 

Lisa looked over at Allison for a second, still hugging her older sibling, smiled, then closed her eyes, enjoying the warmth of his body. This went on for several minutes before she finally moved away and said with a giggle, “Wow! I never thought I’d be doing something like this with my own brother.”

 

“Okay, lie down then and I’ll do the same to you as I did to Allison,” Bart suggested, winking at the younger girl still lying contentedly on the other side of the bed. Allison naturally winked back, her legs fully splayed open, it not bothering her in the least anymore that both of them could see everything down below.

 

“Um, okay,” Lisa said with a coy smile as she lay back on the pillow Allison thoughtfully moved up the bed for her. Her heart thumping excitedly in her chest, Lisa then parted her legs, awaiting the pleasure that was hopefully about to ensue. As soon as she did so, Bart could see his sister’s pubic mound was still glistening with copious amounts of juice from her earlier attempts to satisfy herself.

 

“Whoa man! You’re even wetter than Allison was,” Bart exclaimed, Lisa blushing a little at his words. She didn’t say anything though, because the truth was, her pussy was throbbing so bad now she just wanted him to do whatever it took to relieve the serious tension that had built up there.

 

“You’re gonna love this!” Allison said to Lisa with a grin while her brother moved between her legs, the mere sensation of his breath on her outer lips sending a shiver of delight up her spine.

 

“Oh Bart, hurry up!” Lisa cried suddenly, unable to stand the suspense any longer. All her earlier inhibitions seemed to have disappeared with her no longer caring how disgusting it had seemed before. Lisa wanted relief and she wanted it now, more than anything in the world, and she wanted Bart to be the one to do it for her. He obviously understood her need though, from his time spent with Allison, because after a nod and smile in her direction, Bart looked down again and plunged into his target.

 

“Nnggghh!! Uuggghh!!” Lisa groaned loudly, her eyes watering as Bart’s mouth came in contact with her sex for the first time. Not wanting to be mean, he wasted no time in getting to work on her, his tongue licking hungrily at her soft vaginal lips. Barely giving his younger sibling a chance to get used to the new sensations, Bart then pulled them apart, moments later diving into the sweet center causing Lisa to arch her back and grip the sheets for leverage, pumping her hips into his face.

 

“Oh yes, Bart! Yes!!” Lisa cried, now drooling uncontrollably as a glorious sensation spread out from between her legs, the kind she had never felt before. Even Allison was amazed at how strongly she was reacting to her brother’s attentions. Bart himself was more surprised at the amount of fluid that was now practically flowing from his little sister’s honey pot, even more so than Allison who had been pretty wet herself.

 

“Oohhh!! More, Bart!” Lisa moaned while Bart continued to suck and lick at her sensitive inner core, savouring and then swallowing the river of sweet nectar she was producing. Then, remembering how much Allison had enjoyed it when he licked around the top of her crevice, Bart moved his attentions upward, replacing his tongue in Lisa’s tight vagina below with first one, then two of his fingers as he did so.

 

“Aah! Aah!” Lisa gasped, her body quivering lightly beneath her brother at the fresh sensation of having her bud teased. However, her reaction wasn’t quite as intense as Allison’s had been, something Bart wouldn’t forget in a hurry, seeing as she had slapped him for being too rough with her at first.

 

“Mmm! Oh yes, Bart! Put them in deeper!” Lisa cooed as the boy pumped his fingers in and out of her dripping hole, all the while licking her clitoris up and down. Each time he did so, his little sister’s powerful pussy muscles involuntarily clamped down on him, almost as if they were enjoying the sensation too.

 

“Man! I need some relief,” Bart suddenly thought to himself. Down below, his now rigid tool ached to be touched again by one or even both of them. This thought, combined with Lisa’s continual pleas for more, brought a new idea into his head. Gently sliding his fingers out of her love channel, he stood up, taking his throbbing member in one hand, inadvertently smearing it with her slippery juices. Becoming more and more turned on himself by the sight of Lisa’s dripping, quivering flower right there in front of his eyes, Bart gently stroked the sensitive tip. Added to that, the more he looked at it, the more he thought there wasn’t that much difference between his thing and a couple of his fingers, something he then put to the two girls.

 

“Hey Lis! Um, would it be alright if I… put my thing inside yours?” Bart asked a little nervously, not sure how his sister would respond to such a question. Contrary to his expectations though, it was Allison who jumped at his suggestion.

 

“What! Put that huge thing inside Lisa? You serious!?” the brunette exclaimed, looking at just how big Bart was compared to her friend’s tiny opening. In fact, to her, it seemed even bigger than before, far too big to get in surely.

 

“Come on! It’s not that big!” Bart retorted, placing it up against Lisa’s sopping, wet crevice and beginning to rub himself up against her, stimulating the pair of them. “About the same as two of my fingers in thickness really,” he added.

 

“Yeah, but it’s a lot longer than your fingers,” Allison said, her eyes locked on the older boy’s pole, thinking she probably wouldn’t want it all the way inside her.

 

“Who cares! Just do something!” Lisa snapped, clearly getting very frustrated at being teased instead of seriously attended to.

 

“Heh, well if you say so, sis,” Bart said with a grin as he pushed the tip of his rigid member against the opening of his younger sibling’s vagina, parting her outer lips in the process. Allison looking on in alarm. “Alright! I won’t push it in too far, I promise,” he added, noticing her disapproving expression.

 

With that, Bart gently eased past Lisa’s inner lips and into the wonderous depths that lay beneath, his stomach clenching as the warmth and wetness of her pussy surrounded the head of his rod. “Oh man!” he puffed, thoroughly enjoying the sensation of his sister’s love tunnel twitching subtlely while he pushed himself further and further into her. Understandably, Lisa was tight, but so slick from all the juice flowing out of her, Bart seemed to be having little trouble entering her, much to everyone’s surprise.

 

“Ooh!! That feels so gooood!!!” Lisa moaned loudly as her brother’s rock hard member penetrated her for the first time. She too was so turned on, she felt little pain, although even this was obscured entirely by the most amazing pleasure when the head of Bart’s penis brushed past the sensitive front wall of her vagina.

 

All this time, Allison was watching them carefully, still worried that he was going to end up hurting his little sister doing what he was doing. Bart was more than aware of this though, and once his burgeoning erection was about halfway inside, he stopped and just held it there. He was really enjoying the pleasant squeezing sensation of Lisa’s hot muscular walls clamped tightly around his rigid shaft, but in truth, not entirely sure as to what to do next.

 

“Ooh, Bart! Don’t stop! It feels so nice you being inside me,” Lisa gasped, raising her hips up slightly in an attempt to draw him in further.

 

Allison couldn’t believe her ears. “Eh!? Lisa… What are you saying?” she exclaimed, still finding it hard to believe how far Bart was inside her friend already. Bart didn’t need any further encouragement, however. Seeing that Lisa clearly wasn’t suffering any distress, he slowly withdrew from her, then immediately pushed back into her again, deeper this time, causing another moan to escape from his sister’s lips.

 

“Oohhh, Bart!!” Lisa cried, thrusting her hips up even higher to meet his. Despite how deep he was moving into her now, she seemed to be enjoying it more and more, not to mention the pleasure it was giving Bart himself. Each time he pulled out and then thrusted back into Lisa’s hungry pussy, he went deeper and deeper, until the entire length of his shaft had been swallowed up all the way inside her body, his tummy bumping up against her pubic area.

 

Allison couldn’t believe her eyes now, the fact that Bart had his entire penis inside his little sister. “How on Earth can it all fit inside!?” she kept thinking to herself over and over. “That great, big, long thing reaching right up into her tummy… yet not seeming to cause her any pain at all… I just don’t get it!?” she said in her mind before making her thoughts known to the others.

 

“Um, Lisa?” Allison said slowly. “Doesn’t that hurt, that big thing going all the way up inside you!?” she asked, although it was obvious from the sexy noises her friend was making that she was loving every minute of it.

 

“No, it’s… fantastic! You’ve gotta… try this, Allison!” Lisa puffed as Bart began to steadily and instinctively motion his hips. His stiff rod resembled a piston moving in and out of her very well lubricated love tunnel, making an unbelievably erotic sound in the process. Allison still had her doubts, but as Bart began pumping more and more rhymically, these were quickly dispelled. Not only that, but Lisa was clearly enjoying it more and more as her moans grew ever louder. With each instroke, she pushed her hips up to meet her brother’s movements, his thrusts gaining more and more ferocity.

 

“Um, Bart! Lisa! You guys might want to keep it down a bit. We don’t want to wake your parents,” Allison warned as the moans of the two young lovers grew all the more intense.

 

“Ooh!! I can’t help it! It feels so goood!!” Lisa moaned as Bart pumped her with everything he had, sweat pouring off the both of them.

 

“Here, use this!” Allison said, quickly offering her friend a pillow.

 

“Aaagh!! No, I’ve got a better idea!” Lisa grunted before throwing her arms around Bart’s neck and locking her mouth on his. With an almost animal-like lust, she kissed him passionately, their moans now muffled by each other’s mouths. Down below, she had also twined her legs around his back, forcing him deeper into her. Every time he thrusted back into her, his pubic area mashed against hers, flattening her throbbing love button, sending her closer and closer to the ecstasy she so needed to experience.

 

Suddenly, Lisa removed her lips from her brother’s momentarily to moan in his ear, “Oh Bart! I can feel something happening! Aaagghhh!! It feels so gooood!!!” she cried. Indeed, down below, Lisa could feel the most intense feeling welling up deep within her, something Allison had already experienced and was glad to finally see happen to her friend as well. As Lisa’s face contorted at the ecstasy of an impending orgasm, the younger girl smiled, knowing just how much she had enjoyed those intense feelings herself a short while ago.

 

Bart could feel it too, the fact that Lisa was getting tighter and tighter around him as he continued to rapidly thrust in and out of her, his own climax now just seconds away. “Nnggghh!! Me too, sis!” he cried pitifully. “Oh man, does this feel good! I don’t think I can hold on much longeaaaaggghhhh!!!!!” he managed to blurt out, shortly before his expression rapidly changed to a grimace, brought about by the most amazing sensation exploding from deep within. Only partly aware of what was going on around him through the haze of pleasure rocketing through his body for the second time that night, Bart held onto Lisa for dear life. With his hips thrashing away like they had a mind of their own, he gritted his teeth as his balls tightened and fresh semen burst from the end of his violently twitching member, hurtling its way deep into his little sister’s womb.

 

“Oohhh!!! Baaaart!!!!!” Lisa screamed, her own expression hurriedly changing to a similar strained expression as she held her breath at the immense feeling overtaking her senses. Naturally, feeling that first shot of hot boy juice explode inside her, she was sent straight over the edge as well, her entire being finally being smashed by the intensity of orgasm. With her whole body rocked by the most delicious pleasure she had ever felt in her short life, Lisa arched her back and bucked her hips furiously back at her brother, forcing his spurting tool deeper inside herself. Like it had a will of its own, her rapidly contracting love channel milked him for all his worth, hungrily devouring Bart’s seething passion as he continued to empty himself into her.

 

For what seemed like an eternity to them, but probably only a brief time for Allison who was still gazing on in awe at the scene before her, the siblings humped each other like a pair of rabbits in heat. Bart, still holding his breath, an almost pained expression on his face as he went on shooting his hot seed deep into his sister’s body, savouring every last ripple of her wonderful love tunnel while she went down on him again and again. Lisa, her eyes closed and her mouth open, shaking violently all over beneath him as she continuing to catch each splash of her brother’s love, savouring every last thrust of his rod of iron while it continuously nudged up against her insides.

 

Eventually though, Bart began to slow his thrusts, with Lisa following suit soon after. As the intensity of orgasm passed for both of them, they stopped thrusting altogether, Bart collapsing on top of Lisa, his boyhood still buried inside her. With the pair of them panting heavily, it quickly became apparent just how hard they had both climaxed as they could do little more than lie there, almost in a daze, still reeling from the reverberations of a level of pleasure they had never felt before. Both of them were totally exhausted, but nonetheless very satisfied.

 

Allison herself was nothing short of gobsmacked at what she had just witnessed. The image of Bart’s huge penis going in and out of Lisa was one thing, but the way they had both gone completely mad at the end was something else entirely.

 

“Wow! You guys must really have enjoyed that,” was all she could think to say at that particular moment. Unsurprisingly, both Bart and Lisa agreed, smiling weakly and nodding in her direction.

 

Then, now completely spent, a very happy and contented Bart rolled off a equally happy and contented Lisa, his limp tool slipping hurriedly out of her body and from between her legs, covered in a mixture of their incestuous juices. This fact didn’t seem to bother either of them though, nor Allison who found herself staring at it, wondering what it would feel like to have it going in and out of her next. In fact, she couldn’t help but feel a little turned on at the satisfied girl lying beside her as well, Bart’s boy juice now leaking steadily out of her love hole.

 

After a few more moments of silence, without thinking, Allison leaned over and gave Lisa a kiss full on the lips. Lisa was a little shocked at first, but didn’t protest. Rather, she just kissed her friend back, enjoying the feeling of the younger girl’s lips against her own. Evidentally, she still wanted more. Bart, trying to recover from the serious draining his little sister had just giving him, couldn’t believe his eyes.

 

“Heh, haven’t you too had enough?” he laughed, still a bit on the weak side himself.

 

Breaking their kiss, both girls stared provocatively back at him. Unbelievably, even Lisa had apparently recovered a bit now, but more to the point, the shy, little Allison had awoken at last.

 

“Oh, Bart… I don’t think you’re going to get any sleep tonight,” she grinned, moving up behind him and placing her arms around his neck. For sure, it was going to be a long and very memorable night, for all of them.

 

 

The End