Chapter 580 Porn Mom? [DM SPONSORED]

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Susan snapped out of her sexual fugue. She turned to her children. "Angel, please, control yourself. I can see by the way that your arm is moving that you're going too fast. Remember, our goal is PROLONGED stimulation. Do you want him to cum before we can even suck him off together?"

That last question in particular struck home, because Katherine was very eager to set that precedent with her mother. So she reduced her stimulation, allowing Alan to relax while still enjoying the steady buzz of the continued handjob. Once he wasn't frantically fighting the urge to climax, he was able to occasionally play with his sister's pussy, rewarding her for the reduced level of stimulation.

Alan and Katherine ate breakfast while sitting at the counter. This was unusual, but they both wanted to continue to enjoy a close-up view of their bare-breasted mother walking around in high heels.

Susan made a show of finally putting the pancakes on plates and passing them around the table, along with sliced banana and starfruit. All the while she surreptitiously peeked over the counter to gauge the state of Alan's erection. She smiled when she saw that Katherine was fondling his cock with a slow, steady rhythm.

Unfortunately, somewhere between eating breakfast and getting stroked, Alan forgot that he wasn't supposed to be fingerbanging his sister.

Susan couldn't help but notice that this time, as she leaned even farther over the counter to get a better look. With her huge orbs practically pressed to the countertop, she reproachfully chided her son, "Don't think I don't know what you're doing to your sister, buster. Besides, I've been suspecting that the whole time."

"You have?!" Alan asked with genuine surprise while quickly removing his fingers from his sister's hot snatch. "How?!" He thought he'd been very careful and clever.

Susan smirked and mimicked the subtle rhythmic arm motions that Alan had been making.

Suddenly a thought occurred to Katherine, who stopped her handjob. "Oh, shoot! Mom, I love that you're cool with what I'm doing to Brother, but is this going to count as one of the times I'm allowed today?"

Susan replied, "Well, that depends. I suppose not, since you're being a good fuck-toy sister and doing it for him. I think if it's just some stealth stroking to keep him happy while he's eating, reading a book, watching TV, or something like that, it shouldn't count. After all, I want to encourage that kind of sisterly attention as much as possible. After all, the battle to fight his dreadful sperm buildup never ends. But if you stroke him until you get a big spermy reward, that's gonna count as one of your allowed times. Is that clear?"

Katherine giggled with glee, because that was such a lenient easing of Susan's rules. "Yes, Mom." She brought her hand back and resumed sliding her fingers up and down his cum-soaked shaft.

Susan turned to her son while still leaning over the counter in a very enticing way. "Tiger, I'm much more upset by what you've been doing. It's a serious violation of the rules to fingerfuck your sister, you know."

"Sorry, Mom," he said abashedly. He had no idea what 'the rules' were anymore. They seemed to be more or less whatever their mother felt like at the moment, mostly depending on how aroused she was. He couldn't tell if she was serious or not, after her false chiding of Katherine's behavior. Besides, he remembered that he'd fingered Susan's own pussy the night before without her complaining about it, then or afterwards. But he didn't ask for any clarification, since it was to his advantage to use the times when she was so aroused to have her ease the vague rules that she had set.

She said to him, "We may tease you a little bit here and there about our pussies, but we really shouldn't. Please remind us to behave when either of us get carried away. And let's just forget all about certain incidents yesterday." She looked away in embarrassment as she thought about how Alan had both fingered and licked her pussy at various times the day before.

She stood back up straight but stayed close to the counter edge so she could furtively touch her clit. The apron was easily pushed aside, while thoughts of Alan licking and fingering her aroused her even more than they shamed her. She added, "My point is, Angel and I are your family, so our pussies have to remain totally off limits. Enjoy the rest of our buxom bodies, but don't get too close to the REAL incest danger zone!"

"Sorry," he said glumly, despite the fact that Katherine was still steadily jacking him off. "I'll try to do better."

Susan replied in a happier tone, "That's okay. I'll forgive it since you obviously need a lot of help getting and staying hard this morning. You can make it up to me by shooting a big load in my mouth before you go to school." Then she smiled widely and licked her lips. "You think you're ready for that now, or do you want more time to eat first?"

"I think I'll go with 'Death by Cocksucking'."

"Good choice." Susan's smile got even wider.

He got off his stool and moved to the love seat in the dining room, because he knew the counter stool placed his crotch too high for her to suck him in comfort.

Susan watched him reposition, then turned to Katherine. "And as for you, young lady, no sneaking around my back to help him, is that clear? I'm still your mother, and you have to take my punishments seriously!"

"Yes, Mom." She had her head bowed. "So can we practice our first double blowjob, like you promised earlier?"

Susan grumbled as she continued to covertly play with herself under the counter edge. "I guess I did kind of strongly imply that. But I'm still going to assert mother's privileges right now. Give me a couple of minutes making love to my son's cock with my tongue and lips first. I really, really need it! After all, you've been stroking and stroking and stroking his big fat sperm gun all morning, and all I could do was watch. It was torture! So do you mind?"

Katherine reluctantly nodded her agreement, then moved to the love seat too, to sit alongside him and watch their mother in action.

Susan undid her apron and tossed it aside, because she preferred cocksucking completely naked whenever possible (not counting her high heels and glasses, of course). Then she crossed the room and got on her knees by her son's legs.

Susan knelt on the floor between Alan's legs as he sat on the love seat. She "mmmm"-ed loudly as she felt his thickness slide into her gaping mouth. As always, she loved how it was so fat and thick that she had to strain to get her lips around it.

She loved being naked on her knees in front of her son, but to have her daughter sitting above her, looking down at her, watching, was an added humiliating thrill. She felt delightfully sinful, especially given the way she was making lewd slurpy noises as her son's big dick slid back and forth between her lips. The fact that she was wearing high heels made it all that much better; she felt more like a porn star and less like a typical suburban soccer mom.

As she thought about this, she was hit with an epiphany. She briefly took his cock out of her mouth to exclaim, "I'm a porn mom!"

Alan and Katherine had a good laugh over that as Susan resumed sucking. They found it particularly amusing that she offered no further explanation.

Katherine said, "'Porn mom.' I like the sound of that. What do you think, Big Fence-post Brother?"

Alan was still laughing. "'Porn mom' sounds great to me. It's perfect, 'cos Mom is such a mom, you know? Yet she's got a body and libido that a porn star would kill for." He patted Susan on the top of her head. "You're my porn-star mommy."

Susan absolutely loved being patted like a pet while in such a subservient position, but she was even more thrilled by his rare use of the affectionate term "mommy." She redoubled her cocksucking efforts, adding the corkscrew twist that she knew he particularly liked, as a way to indicate that he should call her that more often.

Her erotic "mmmm" sounds grew louder as Alan reached down to play with her very sensitive nipples. She moaned through a stuffed mouth as she idly wondered if he was right, and also whether one might die of sheer pleasure.

Katherine pleasured herself to orgasm yet again as she watched her mother suck. Now that everything seemed to be out in the open, she didn't try to disguise her own loud moaning as a nice climax wracked her body.

Time passed. After Katherine's orgasm, the only sounds heard were Susan's slurping and "mmmm"-ing, plus Alan's occasional panting and moaning.

Katherine got off the love seat and moved behind Susan, ready to help with the promised double blowjob. They were both jammed in tightly between Alan's legs, with Katherine mostly behind Susan. As a result, their naked bodies were touching all over. Katherine had her leg pressing against Susan's backside, and that pose happened to put her knee against Susan's ass. Eventually, she couldn't help herself but to rub her knee up against her mother's naked butt. Susan's mouth was too full of cock to say anything in protest.

Katherine was getting a kick out of doing this, but she quickly decided that a knee was far too blunt an instrument. So she reached back and brazenly started to explore her mother's ass crack with her fingers.

Susan could have ignored the knee contact, presuming it was accidental, but there was no doubt that the fingering had been deliberate. She tried to reach around and slap Katherine's hand away, but she couldn't reach it. Of course she could have done so easily if she had simply pulled her mouth away from Alan's hard-on, but she couldn't muster the willpower to do that for even a few seconds, she was so intent on sucking his thick erection.

Eventually, Katherine placed her index finger right at the entrance to Susan's anus and pressed against it, but after playing around a bit, Katherine chickened out. She figured that if she were to make penetration, Susan would be forced to respond, and that would put an end to her 'stretching the boundaries'. So she just kept on exploring around that area, mostly running her fingers up and down Susan's ass crack.

Katherine finally grew tired of waiting for the sharing to start. She brought her hands to her hips and said indignantly, "Okay, Mom, that's been more than enough time. Mother's privilege? What the heck is that? I'm going to assert sister's privilege!" She tried to move in closer, but Susan wasn't giving her room.

Katherine complained, "MooooOOOOoooom! Come on! You promised we could share!"

Susan was so focused on her cocksucking that she paid almost no attention to Katherine's complaint. She was working on a tricky combined technique that involved "humming" while pulsing her lips to one rhythm and flitting her tongue over his sweet spot with a different rhythm. It took all her concentration to get it right.

However, Katherine was nothing if not persistent. "Mom, you think you're the only one who loves doing that? Do you know what kind of torture it is for me to sit here this close and watch all those thick inches of brother-cock sliding past your lips? Imagine if our positions were reversed!"

Susan muttered something that sounded a bit like "Sorry," but her mouth was so stuffed full that it was hard to make any sense of her mumble.

Increasingly annoyed, Katherine started to yank on and twist Susan's nearest nipple. "Mom! Come ON! What does it take to get your attention?! Do I need to finger your pussy too?"

That finally worked. Susan pulled off and gasped, "Not that!"

Alan quickly covered his erection and balls with both hands. "Hold on, you two!" After some heavy breathing he recovered enough to continue. "Share, you two! Be nice!"

Susan shifted positions, finally making room for her buxom daughter to scoot in up close, next to her. She smiled apologetically. "Sorry, Angel. Once I have Tiger's cock in my mouth, I lose all sense of everything else. I just can't stop for anything. I'm really, really sorry for being such a cock hog. The Bible tells us, 'Do not forget to do good and to share with others, for with such sacrifices God is pleased.' It may seem sacreligious, but I think that applies in this situation, don't you?"

Katherine empathically stated, "Definitely!"

Then Susan added brightly, "Let's share! It's high time, don't you think? It'll be fun!"

Katherine's face brightened. That was a big moment for her, since she anticipated that this would become a daily activity from that point on. Her heart was thumping with anticipation.

Both mother and daughter bent forward and eagerly stuck out their tongues. However, Alan still had his privates covered. "Whoa! Hold on! Are you nuts?! I'm so close to cumming that just a feather touch will push me over."

Katherine joked, "Good idea! Mom, where did you put those feathers?" She giggled.

He groaned needfully. "Can you just... let me take a strategic break for a few minutes?"

"Oh, POO!" Susan huffed. "I HATE those strategic breaks!"

Katherine also let out a heavy sigh. "Grrr! So close, yet so far!"

Alan waved his hand through the air, indicating he was trying to speak. Finally, he was able to say, "Please! I'm sorry, but... too arousing! Also, I need to... to brace myself for your double tongue onslaught." He was still having a hard time just breathing.

Susan's eyes lit up. Her face was practically in Alan's crotch, but she managed to turn her head to Katherine's equally close face. "Oh yes, the double blowjob! Angel, it's probably good that we have a bit of a break now, because we should talk about that. I suppose there's no denying that now that Tiger has turned both of us into his sexual playthings, he's going to force us to suck him off together quite a lot. I've been trying to deny or delay the inevitable when it comes to sharing, but who was I trying to kid?"

Katherine cut in, "Mom, you make it sound like he's being selfish in forcing us. We can't forget that he has needs. Big needs! Do you think he can cum six times a day, for years to come, with just one tongue at a time? I don't think so! I'm not just saying that to arouse us all; I really mean it."

Susan replied eagerly, "Angel, you are SO right! I keep thinking from my own selfish point of view, trying to balance my shame and guilt with my overwhelming desire to feel my son's big, thick cock sliding more often between my hungry lips. My feelings don't matter. Heck, even my needs don't matter. It's all about TIGER's needs! And his dire medical condition. Angel, it's our responsibility... No, it's our DUTY! That's it: it's our duty to suck him off together whenever necessary, as a last resort."

Katherine spoke with her lips still just inches from Alan's erection. She would have started licking it already except for the fact that his covering hands were still preventing their access. "Mom, you're making me seriously hot! But what do you mean by 'last resort?' I don't like the sound of that."

Susan lips were even closer; she was practically licking his hand. "It's simple. We need some kind of ace in the hole for when he has great difficulty reaching his daily target. If we blow him together all the time, or you and Amy do, or Suzanne and I do, and so on, that'll get to become his new normal and we'll have nowhere to go from there. So we need to save it only for major emergencies when nothing else works, like this one."

Katherine had been totally unaware that they were in the middle of any kind of emergency. She considered this to be just typical fun-in-the-Plummer-house-before-school behavior, at least now that things had changed so much. She strongly suspected that the only "emergency" was Susan's impatience to get her tongue and lips back on her son's turgid erection, but she wisely did not voice that suspicion.

Both siblings were quite disappointed to hear Susan's argument that a dual blowjob should be saved only for use when all else failed, but they both stayed mum on that as well. They each had similar reasoning: let their mother get used to doing it and her boundaries would shift once again. Besides, Alan realized, he could probably manufacture some "urgent emergency" almost every day if that was what it took.

Susan was raring to go, clutching her huge, heaving boobs as she panted heavily.

But seeing that he still needed time to recover, Katherine said, "Mom, let's do it! But we can't go at this all willy-nilly. A good double blowjob requires planning!"

"It does?" Susan turned slightly towards her daughter's face, only inches from her own.

"It does. I mean, it's not like I'm some expert, but think about it. We can't have our heads bouncing together as we both fight over the right to pleasure his sweet spot."

Susan pointed out, "Amy and I licked that spot together quite a lot last night, and we didn't have much trouble."

Katherine replied, "I'm not surprised, but I'll bet that's because Amy is so nice that she usually cedes the prime real estate to you. However, I'm more aggressive. We need to work as a team!"

Susan frowned at that, but decided, "You're right. What if we take turns? I'll bob on it for a minute, and then you, and then me, and so on."

Katherine shook her head no. "Sorry. That's not going to work. I know you and your love of his cock. Once you start bobbing, not even a herd of wild animals could get you to stop."

"Hmmm. True. I could try to be better though. I mean, it's different if I know I'll be bobbing on it again in another minute."

"Maybe, but I still don't trust you on that. Let's try a different approach first."

To Alan's great relief, the two women turned to face each other and spent the next few minutes discussing sharing strategies and techniques. He forced himself to tune out, because just hearing them go on revealed so much passion for the act that their discussion kept his dick on edge. Only by closing his eyes and tuning them out did he manage to get any sort of a break at all.