Previous parts:
One
 | Two | Three | Four | Five | Six

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The whole Burkhill family were having breakfast in the kitchen on the Monday following Bill’s return from his business trip, when Jayna asked, “Can someone take me to buy some underwear today?  I didn’t come with much, and I really need some more or I’m going to have to go without.”

She was looking down into her bowl of cereal as she said it, and thus was able to hide her secret, evil smile.  She didn’t need to look up to picture the expressions of the Burkhills.  

Luna would be blushing, because she knew very well what Jayna looked like without underwear – and, for that matter, what Jayna’s cunt tasted like.  Luna’s mother Carrie would also be blushing, remembering her illicit sexual encounter with Jayna while her husband had been away.

And Luna’s brother Mitch and her father Bill would have an entirely different kind of expression, as she had briefly put the idea of her panty-less cunt into both of their heads. It was best that they think of her in sexual terms as early and often as possible, because objectifying her would be the gateway for them to learn to objectify the other women in their life.

“I suppose I could take her…” said Bill hesitantly.

Carrie went bright red.  “Don’t be ridiculous,” she said.  “You can’t take a young girl underwear shopping.  And besides, you have work.  I’m not rostered at the cafe today – I can take her.”

And so it was settled.  Bill would go to work, Luna and Mitch would spend the day at home, and Carrie would take Jayna shopping.

Before she left the house, Jayna took the opportunity to whisper covertly to her foster-sister Luna.

“Make sure you’re wet for me when I get home,” she said, stroking Luna’s hair.  “I want to play a game with your pussy when I get back.  Sisters and girlfriends should play together, after all.  And if you’re not wet, I’ll have to give Mitch one of those pictures I took of you…”

She gave Luna no indication of when she might be returning.  Luna would just have to keep herself aroused throughout the day in readiness.

Then, in another room, she made a suggestion to Luna’s mother.

“Luna!” Carrie called out, acting on Jayna’s suggestion.  “Spend time with your brother while I’m out, okay?  You two have been weird around each other.  I want to see a little more cooperation from the two of you.  Play a boardgame or a videogame together, okay?”

Jayna didn’t get to see Luna’s pretty, frustrated blush in response, but she could picture it.  It would be good for Luna to get used to being sexually aroused while alone with her brother.

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In the car on the way to the mall, Jayna made sure that Carrie was in the right frame of mind for the day’s activity.

“I know you shouldn’t have done what you did the other night,” she said, “making me play with your pussy like that…”

Carrie jerked, her face red.  To her memory, she certainly hadn’t *made* Jayna do any such thing – the idea to finger Carrie’s cunt had all been the work of her foster-daughter – and yet she immediately knew how that defence would sound to anyone who overheard the conversation.

“Jayna…” she began, trying to silence the conversation, but Jayna was undeterred.

“It’s okay, mommy,” said Jayna.  “I don’t mind.  I’m so grateful to get to live in your home – I’d happily finger your pussy and suck on your breasts any time you like.  It’s really fine.  And besides, you have such beautiful breasts, and such a pretty pussy – it’s really okay.”

“Jayna, we really can’t talk about this,” said Carrie, blushing furiously.  “It shouldn’t have happened, and it can’t happen again.  People won’t understand.”

“No one has to know, mommy,” said Jayna.  Then she paused, and scrunched up her face.  “Or do you mean… you don’t like me any more?  Do you hate me, because of what you did to me?”

“No, no, honey!” said Carrie hurriedly, trying to placate Jayna while keeping her eyes on the road.  “I love you, really.  I’m so glad to have you in our family.”

“No, you hate me,” said Jayna, pretending to be on the verge of tears.  “And soon the whole family will hate me.  I should never have come here…”  She made a credible fumble with her seatbelt, as if she might unbuckle it, and then jump from the moving car.

Desperate, Carrie pulled the car over on a secluded side-road.  Once it had stopped moving, she reached out to Jayna.

“Jayna, honey, it’s okay,” she said.  “What happened the other night was… confusing, and wrong.  But I love you, really I do.”

“Then kiss me,” begged Jayna.

Carrie looked awkward, but she leaned forward, clearly intending to peck Jayna on the cheek.  But Jayna grabbed her hair, and gave her a full kiss on the lips.  Jayna’s tongue pushed its way into her foster mother’s mouth, and she moaned sluttily.  

To her pleasure, Carrie didn’t pull away.  She blushed – but kissed Jayna back.

Jayna allowed one of her hands to reach for her foster mother’s cleavage, and then slide down her titflesh and into her bra. She found Carrie’s nipple, and squeezed it – and grinned when she felt wetness on her fingers.

“You’re leaking milk, mommy,” she said, as she pulled away.  “You’ll make your shirt and bra all wet.”

Carrie patted at her bosom anxiously.  “They didn’t do that before.  They haven’t done it since Luna was a baby.  I don’t know why they’re doing it now.”

“People will look at you with milk circles on your clothes,” said Jayna.  “Do you want me to suck the milk out of them for you, mommy?”

Jayna’s fingers were already reaching out to unbutton Carrie’s blouse.

“No, Jayna…” said Carrie weakly.  But her face was flushed, and she didn’t seem to know what to do.

Jayna finished undoing the buttons, and then pulled down her foster mother’s bra to expose her large maternal tits.

“Don’t worry, mommy…” she said – and then leaned forward and took Carrie’s left nipple into her mouth.

Carrie blushed, and allowed it to happen, watching her foster daughter breastfeeding from her nipple.  And when Jayna reached down to pull up Carrie’s skirt, Carrie allowed that to happen, too – even slightly spreading her legs to make it easier.  She was rewarded by the feeling of Jayna’s fingers against her panties, tracing the cleft of her pussy, and rubbing urgently at her clitoris, even as Jayna’s mouth sucked the milk greedily from her udders.

When Jayna had drunk the left breast dry – which didn’t take long, as Carrie wasn’t producing any great volume of milk (yet) – she moved to the right breast.  Carrie was by now lost in lust, moaning sluttily and bucking her hips against Jayna’s fingers.

Jayna was careful not to let Carrie cum.  She wanted her foster mother horny and confused, not satisfied and happy.  So she sucked, and teased Carrie’s cunt, and when she eventually finished the second breast, and pulled away entirely, Carrie made a disappointed, frustrated noise.

“Thank you, mommy,” said Jayna, licking her fingers clean (for Carrie’s cunt juices had well and truly soaked through her panties).  “Now – let’s go buy me some underwear!”

===

Carrie was still flushed and embarrassed when they arrived at the mall, and offered little resistance as Jayna pulled her straight past the discount stores and directed their path into one of the expensive lingerie boutiques.

“This place isn’t very affordable, Jayna,” she managed to interject.

“But you can expect a teen girl to dress in *ugly* underwear,” said Jayna.  “That would be too cruel.”  She had thought she might need to offer more incentive to Carrie – perhaps threaten to discuss their tryst in the car – but to her satisfaction, the older woman simply submitted.

Jayna went around the store, picking out a range of bras and panties – some of them very risqué – and then led Carrie to the changerooms in the rear of the store.  There were a row of three changerooms, all connected by a short corridor, and the corridor was screened from the rest of the shop by a red velvet curtain.  Jayna drew Carrie into the corridor, and then led her to the middle changeroom.

“Oh, you don’t need me in there with you,” Carrie demurred.

“But I feel unsafe changing in a strange place,” said Jayna.  “After all, you know what my father was like.  Please, can you come in with me?”

There was little Carrie could say to that, so she reluctantly entered the changing booth with Jayna.  Jayna closed the door behind them.

“Thank you,” she said.  “Now, try this on.”  She handed a satin bra-and-panty set to Carrie.

“But these are for you, Jayna,” replied Carrie, confused.

“But I need to see what they look like on you first,” said Jayna.  “So I know if I like them.”

Carrie still did not look like she was going to comply, so Jayna pushed closer to her and whispered, “I thought you were sorry about what happened the other night.  I thought you were telling the truth in the car today, that you didn’t hate me.  I thought you kissed me because you loved me…”

“Sssh!  Sshh!”  hissed Carrie with alarm.  Her eyes were searching wildly for any sign that the bored twenty-something attendant at the sales desk outside might have heard Jayna.  “Jayna, just… sshh….”

Jayna held up the lingerie again.  “Get undressed, and then you can try these on.”

Carrie squirmed – but she was terrified that Jayna would say more about their sexual encounters, and knew that any resistance risked starting that conversation again – potentially at a louder volume.  Unhappily, she began to undress.

Jayna watched delightedly as her foster mother stripped naked.  It felt so good to have power and control over women, and make them do things they didn’t want to do.  Her father had shown her how pretty girls could look when they were humiliated, degraded and violated.  Watching this mature woman forced to expose herself to a teen girl made Jayna happy deep down inside – and it made her pussy throb with delight.

Jayna took each piece of clothing from Carrie as she removed it, trying to keep her face looking angelic and innocent as Carrie’s large tits came into view, and then her puffy, wet pussy.  

When she had the last piece of Carrie’s clothing in her hands – Carrie’s panties – she smiled, and said, “We’ll just put these here for now.”

And then she threw all the clothes over the top of the changeroom partition, into the empty cubicle to the right.

Carrie’s eyes widened in horror.  “Jayna…” she hissed.

“They were taking up room,” said Jayna. “They were going to get confused with the clothes we’re trying on.  I’ll get them back when we’re done.”

Then she took out her phone, pointed it at her foster mother, and said “Smile!”  

Carrie was too slow to understand what was happening, and was unable to react before Jayna took the photo, capturing her in all her nude glory.

“Now put these on,” said Jayna, and passed the first set of lingerie to Carrie.

Carrie stretched out the bra experimentally.  “Jayna,” she said, “these won’t fit.  You’re much smaller than me.”

“It’s okay, I can imagine what the difference will look like,” she said.  “Just go ahead.”

Carrie struggled awkwardly into the bra.  She was right – her breasts were huge compared to Jayna’s, and her body larger all around.  After much struggling, she was able to cinch the bra shut on the very last set of clasps.  And it became immediately clear just how inadequate the bra was – it covered neither the top nor the bottom of her boobs, and looked like nothing so much as a strange, painful belt, squashing her tits against her chest.

“Now these,” instructed Jayna, passing over the panties.

Carrie took them, and started to work them up her legs – and then paused, blushing.

“Jayna, I *can’t*,” she hissed.

“Don’t be silly,” said Jayna.  “You’re not that fat.”

Carrie blushed deeper.  “No,” she said.  “I mean… I’ll ruin them.  I’ll make a mess.”

Jayna began to see her problem, but feigned innocence.  “What do you mean?”

Carrie was bright red now, and avoiding eye contact.  “My… groin… is wet.  I’ll leave a damp patch if I put them on.”

Jayna looked her in the eye and smiled mischievously.

“Don’t worry, mommy,” she said.  “I’ll clean you up.”

And before Carrie could react, Jayna had knelt on the floor.  She pulled Carrie’s panties back down to the ground and had her step out of them, and then she pushed Carrie’s legs apart, and buried her face between her foster mother’s thighs.  She extended her tongue, and Carrie couldn’t help but make a low, mortified squeal as she received her first lesbian cunt-licking.

“Sssh,” urged Jayna, and then returned to licking.  She could feel Carrie’s body trembling from the unfamiliar sensations, and from the shame and guilt.  She ran her tongue along the soft cleft of her foster mother’s pussy, gathering up her slutty arousal-nectar and swallowing it eagerly.  She probed Carrie’s fuckhole with her tongue, and kissed and sucked at Carrie’s swollen, eager clitoris.

And then she pulled away.  “All clean,” she said.  “Put on the panties.”

The panties looked obscene.  They were really too small, and they dug deep between Carrie’s cunt lips and vanished up the crack of her ass.  Jayna photographed the blushing Carrie wearing them, and then instructed her to undress again.  

Despite Jayna’s efforts, the panties were wet with Carrie’s cunt juices.  Jayna didn’t comment on it.  Instead she gave Carrie a new lingerie outfit to try on.

With each outfit, the pattern repeated, and when it came time to try on the panties, Jayna would get down on her knees and “lick clean” her foster mother’s pussy.  Carrie got wetter with each repetition, and by the third pair of lingerie she was desperately bucking her cunt against her foster daughter’s face.  But Jayna did not allow her to cum.

After four outfits, Jayna changed to a different kind of lingerie.  She held them up for Carrie to see.  The panties were crotchless, and the bra was a half-cup that exposed the nipples.

Carrie tried to understand what she was seeing.  “I don’t really think they’re appropriate for you to wear, Jayna,” she said, as if she had not just moments ago been humping her foster daughter’s face.

“Oh, they’re not for me,” said Jayna.  “They’re for Luna.  She has such poor body image – she thinks she’s ugly, and unattractive.  She really needs her mother to tell her that she’s sexy and attractive, and that she’d look good in underwear like this.  You want what’s best for Luna, don’t you?”

“I…”  Carrie was so confused.  She didn’t know what to say.

Jayna smiled – and reached down and began to push the panties and bra into Carrie’s pussy, stuffing them up her fuckhole with her fingers.

“What are you doing?” protested Carrie.

“See how nice they feel,” said Jayna.  “How nice on your skin?  Think how nice they’d look on Luna.  Can you do that for me?  Picture Luna, wearing this underwear?  Think about how sexy she’d look?”

“I can’t…” said Carrie.

“Sure you can,” countered Jayna.  “There’s nothing wrong with seeing your daughter in her underwear, is there?”  She paused.  “Just like there’s nothing wrong with kissing your foster-daughter?”

Carrie blushed again.  “Sssh!” she hissed.

“Are you thinking of it?” said Jayna. “Of Luna wearing the underwear?”

“Yes,” whispered Carrie, reluctantly.

“Good,” said Jayna – and once again she fell to her knees and began licking Carrie’s cunt.  The underwear was still stuffed up Carrie’s vagina, so she focused her tongue on Carrie’s clitoris.

Carrie began to make a low moaning sound, and now it was Jayna who was a little worried that someone would hear them.  She pulled the underwear out of Carrie’s cunt, stood, and stuffed it into the older woman’s mouth.

“You’ve made a mess of these,” she said.  “Suck them clean.”

Then – with Carrie gagged with underpants soaked in her own cunt juices – she pulled up another pair of slutty lingerie – a G-string and a cupless bra – and showed them to Carrie.  Then she knelt, and stuffed these too up Carrie’s pussy.

Five pairs of slutty underwear went up Carrie’s cunt in total, and Jayna licked her through them, encouraging her to keep picturing her daughter half-naked – and when she finally allowed Carrie to cum, after the last pair, the expression on her face told Jayna that Carrie had indeed been thinking about her own daughter when she orgasmed.

Jayna packed the wet underwear into a shop bag. 

“You modelled them so well I don’t even need to try them on, mommy,” she told Carrie.  She was, in fact, reasonably sure that the items would fit her and Luna, respectively, but if they didn’t she could always bring Carrie back to buy more.

“But I can’t tell Luna to wear those clothes,” Carrie objected.  “They’ve been up my…”   She blushed, and trailed off.

“Sure you can,” said Jayna again.  “You’ll tell her to wear them, and model them for you in your bedroom, so you can see if they match your imagination.  And then you’ll take all her old underwear and you’ll throw it out, because you only want her to wear underwear like this from now on.  Isn’t that right?”

“But…” objected Carrie.

“Well, if you need help, I can tell Luna how cute it looked on *you*,” said Jayna.  “I’ve got pictures, after all.  We can talk about how nice it felt in your pussy…”

Sobering up from her orgasm, Carrie was realising now that she wasn’t just in an awkward interaction with her teen foster daughter.  She was coming to see that she was being *blackmailed*.  She didn’t know why, or where it would stop – but there was also absolutely nothing she could do about it.  To reveal that she had taken in a teen girl from a life of sexual abuse, only to immediately have that girl suck on her nipples, and rub her pussy, and lick her cunt – it would destroy Carrie’s life, and likely her family as well.

“Why are you doing this to me?” she asked.

“I’m not doing anything to you, mommy,” said Jayna.  “I just tried to help you get clean, and then you started bucking your pussy against me, remember?  All I want is to make you and Luna happy, so just do what I tell you, and it will all be easy.”

Carrie made a low moan of unhappiness.

“So you’ll throw out all of Luna’s other underwear, right?” said Jayna.  “And tell her how sexy she looks in her new bras and panties.  And if she gives you any trouble about it, you can say that maybe you need a second opinion on how she looks in her new underwear – from her father, or her brother…”

“What are we going to tell the shop girl about these pieces of underwear?” asked Carrie.  “I made them all wet.”

Her expression made it clear she was afraid that further humiliation was ahead for her – but Jayna showed her mercy.

“It’s okay,” said Jayna.  “I was supposed to be trying them on.  You can say it’s my fault.  You can say your daughter is a disgusting slut who ruined them all with her wet cunt.  I really don’t care.  You’re paying for them, so they won’t really care either.”

Then she grinned.  “But… call me Luna, okay?  There’s no reason for them to know my name.  Go on, give it a try.  Say that Luna is a disgusting slut.”

Carrie blushed.  “My daughter Luna is a disgusting slut,” she mumbled.

“There you go!” said Jayna brightly.  “It’s good practice, anyway.”

“What do you mean by that?” asked Carrie.

Jayna smiled.  “Oops,” she said.  “Just a slip of the tongue.  Don’t worry about it.  Shall we go home now, mommy?”  And her grin became evil, as she added, ”And if you’re a very good mommy, and say all sorts of nasty things about your daughter Luna to the shop attendant, I might suck your breasts dry again on the way home…”

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