Of course, how could you not twist that new branch of the family tree

With the two pills altered by Mira’s touch, everything you need prop wise is set. You briefly discuss a few things to say on camera, and the various avenues to explore in the midst of your dirty talking. The stage for Mindy’s breeding session is set, her VIPs sending in their generous donations to cover the entrance fee for the private show. Mindy is also finalising some arrangements with the sound and camera equipment, so the show is to be recorded and sold to both VIPs who couldn't make it, and any others who might want to rewatch it.

“Oh, by the way, Amy,” Mindy begins her vibrant green eyes having a mischievous sparkle to them, “Since this is a closed-door show and someone can’t accidentally stumble in, the site gives us a lot more leeway in what sort of content we can broadcast,” Mindy adds with an excited giggle.

“So we're good to play up the **** angle?" You ask, with a grin, Mira still suppressing the parts of your mind screaming in desperation for you to put a stop to this madness before it's too late. Imploring you, in a futile effort, to not allow Mindy to take either of the pills Mira's touched.

"You Bet, Sis!" Mindy replies with a flirty giggle. "God my fan are going to lose their minds over this," Mindy adds with another sexy little giggle. "I was thinking of teasing them with a few still of your cum leaking out of me, maybe throw in a little pregnancy scare to really drive them wild," Mindy continues, her eyes widening as new wild ideas race through her mind.

"Only thing they'd love more, is if I actually managed to knock you up," You reply with a grin.

"Fuck, so wrong, but so fucking hot," Mindy replies, biting down on her bottom lip, "Tempting, but I think I've got a little while yet before tapping into the preggo market," Mindy concludes with a smile.

"Not quite ready to cross that line yet?" You ask with a knowing grin

"Not yet, but you're definitely making me think all sorts of wrong ideas, Sis," Mindy says in a teasing manner.

"Guess I need to work on my powers of persuasion then," You joke.

"Hey, who knows, even emergency shit like these aren't 100% effective," Mindy begins, leaning in, her soft full lips brushing against your ear. "Maybe, I'll leave here with a little bit of you growing inside me," Mindy whispers in a sensual tone. The slight suggestion alone is enough to make your thick length throb and drip a heavy drop of precum onto the bed beneath you.

"Oh, I'm definitely inducting her into our sisterhood," Mira coos in your mind.

"She does have a platform willing to eat up anything she has to say," You think back.

"Truly?" Mira asks.

"Not sure how effective it would be, but if we use your name, maybe use some of your symbols or iconography in her shows, some might latch on," You muse back, unsure how the current age of online worship of personalities would compare to actual worship.

"An interesting thought, My Priestess, I'll think on it, for now, go ravage your Sister some more," Mira replies before drifting back into wherever she inhabits in your mind.

By the time your internal discussion with Mira is done, Mindy is back at the laptop writing a few messages to some of the VIPs and making the last few adjustments, until the time comes to start the show. Mindy does one final check to make sure everything is set up, before crawling back onto the bed. Your sexy Half-sibling gives you a confident smile as she slides herself next to you as the VIP show goes live.

"Hey everyone, glad you could all make it," Mindy begins in her cheerful tone. "Since we're now private, I'd like to introduce you all to my Half-Sister, Amy," Mindy continues with a grin.

With much fewer people in the room, you can actually see the messages come in, most seemingly very polite, complimenting you and your body and wishing you well. There's still a lingering sense of unease you felt from the first stream, although you feel an odd calmness knowing the audience this time is much smaller. Normally this would still be enough to make you flee, but unbeknownst to you, Mira is using her influence to numb these sensations. Leaving you free and uninhibited to carry on with this otherwise crazy scheme.

"Hi," You say nervously, unsure of what else to say.

"Forgive her, My Sister is still new to all this," Mindy explains with a giggle, although as many of you can already attest to from our earlier show, once we get going she's a natural performer," Mindy continues, stroking your shoulder and giving you a quick peck on the cheek with her soft lips. "So without any further ado, let's get this show started," Mindy concludes with another sexy giggle, before turning to face you and pressing her lips to yours.

Each of your Half-Sisters kisses helps you forget more and more about being recorded until a few minutes later all your focus is solely on Mindy. Your tongue exploring her mouth and mingling with your Half-Sister's tongue, your hands cupping and squeezing Mindy's sweet ass cheeks. Your worries and doubts are swept away in the swirling currents of lust overtaking your mind.

Soon you're kissing your way down your Half-Sister's body until your tongue is lapping at Mindy's soaking slit, the taste of her juices and the sticky residue of your earlier deposit filling your mouth. Mindy's hands entwining themselves into your long blonde hair, her grip tightening each time your tongue finds one of her sensitive spots that make her legs go weak.

Suddenly you find yourself flat on your back as Mindy shoves you back. She swings her leg over your head and soon your sight is eclipsed by the welcoming view of your Sibling's rear deciding towards you. Although this isn't half as welcoming as the sensation of Mindy's mouth wrapping around your thick shaft, her tongue swirling around your shaft as she bobs her head up and down.

The pair of you soon grow too hot and flustered to settle for just oral, Mindy rolling off you. "Fuck your Sister, like the beast you are," Mindy coos as she takes a position on all fours.

Wasting no time you position yourself behind your Half-Sister and sink your sizeable shaft into your Sister's sweet sex. Her lips part effortlessly around your thick cock, swallowing up every inch of you until you bottom out inside of Mindy. You take things slow for the first few thrusts, gradually building up how fast and hard you pound your Half-Sister's rear. Minutes pass by and soon you are railing your Sibling hard, a satisfying wet slap of body colliding with your Sister's ass with each heavy thrust.

"Oh fuck, Sis, Your cock feels amazing," Mindy cries out between heavy moans.

"Mmmmm, taboo pussy feels the best," You grunt back in a reply.

"Gonna cum on that incestuous cock," Mindy groans, her body beginning to tremble slightly.

"Not just yet," You reply, slowing your pace down to a teasingly slow and shallow one. "You gotta pick your pill first," You continue, holding up the two packets.

"They're both the same aren't they?" Mindy replies, frustration in her voice from how close to cumming she was. "You told me they were both morning-after pills," Mindy pants, trying to thrust her hips back into you to **** you deeper inside of her again.

"I might have been a little dishonest," You admit with a giggle. "One of them is a morning-after pill, that'll stop any of my thick potent seed from taking root in the sweet fertile snatch of yours," You explain.

"Good, because I want to feel my Sister's cum inside me again," Mindy replies, trying to thrust herself back again, only to have you pull back this time.

"And you will," You say reassuringly, "However, the other pill is a potent fertility ****, that almost guarantees you leave here pregnant," You explain.

"Why would you even bring that?" Mindy asks, getting increasingly frustrated by how slow and shallow your pace is.

"Because, deep down, I reckon there's nothing you'd love more than for me to fucking breed you like the **** slut you are," You reply in a low sensual tone.

"No," Mindy says half-heartedly.

"That's fine," You reply, "But I'll give you a few chances to change your mind, but fair warning the moment you say yes to the fertility pill, I'm taking It as your final answer," You explain with an evil grin.

"No danger there," Mindy replies. "Now please fuck me properly, I was so close," Mindy pleads.

With that you happily give your Half-Sister what she wants, picking up the pace, you brutally fuck her to and through her orgasm. Mindy's body trying in vain to milk your cock, although given how recently you came, the stamina you built up with your Cousin and Aunt is back to help you hold back.

You rut and pound away at Mindy, in a number of positions, making her cum over and over again. On the brink of each orgasm, you ask Mindy again, which pill she wants, the safety of the morning after, or the fertility pill, both of which Mira has altered using her gifts. Were you capable of thinking rationally, you might realize just how real the risk Mindy is about to take.

"Mmmmm getting kinda close," You groan, slamming yourself into Mindy's soaking slit.

"Fuck, can't wait to feel my Sister's cum," Mindy groans in reply.

"You're **** for my seed?" You ask in a low growl.

"Oh fuck yes," Mindy groans back.

"God damn, I want to breed you bad," You reply.

"We can't," Mindy pants back.

"Sure we can," You reply. "I'm potent, you're unprotected," You add with a grunt as you feel your swollen cock begin to twitch.

"It's wrong," Mindy replies.

"That's what makes it so hot," You reply, "The ultimate taboo, getting knocked up by your own Sister," You add, feeling your cock twitch and throb dangerously. "You're own living breathing reminder about how your Sister owns your pussy," You growl.

"Fuck that's so nasty," Mindy gasps.

"So which will it be?" You ask in a teasing tone. "Boring safe, morning-after pill," You offer, "Or hot and wild, fertility pill?" You continue.

"Please, don't," Mindy pleads.

"It's a simple question," You reply, keeping up your relentless pace. "Safe, or Fun?" You offer

"Fuck it, give me fun, fun and nasty every day of the week," Mindy groans.

"Good choice," You reply in a sensual tone. "Now, lie back like a good little Sister slut and let me breed you," You say, feeling your cock begin to throb and pulse as you begin to deposit another thick creamy load into your Half-Sister's pussy.

Over the next hour, your ravage Mindy, fucking her every which way you can think of, each time you deposit another thick potent deposit deep inside of your Sibling. Then finally when you both are more or less running on fumes, you have Mindy face the camera and give the viewers a nice close up of her swallowing the fertility pill. The stream finally drawing to a close with you spooning Mindy, suggesting baby names to her.

"Well done, my Priestess," Mira coos in your mind. "See how much easier it is without those pesky thoughts and morals plaguing your mind," Mira continues with a sensual giggle. "Aren't you glad I suppressed them, while you got to intimately know your lost sibling?" Mira asks in a soft tone.

"What did you do?" You think back hesitantly as a thick fog in your mind suddenly seems to lift and the realisation of what you just did hits you at once. A sense of dread fills your stomach as you glance over at Mindy who's cheerfully drying herself off after the showers you both took.

"Simply removed those silly doubts you have, those pesky voices that get in the way of you fulfilling what your heart truly desires," Mira explains in a tone far too casual for what she was admitting to.

"Fuck that was amazing," Mindy says with a big smile.

"Thanks," You reply nervously, trying your best to keep your feelings in check as your mind races to try and process everything you did that you wouldn't have normally. "That was pretty wild," You add with a half-laugh, while you nervously rub the back of your neck.

"I'd say, I'm probably still going to have your cum leaking out of me by the time I get back home," Mindy laughs.

"Sorry," You apologise.

"Got nothing to be sorry for, that was so much better than I could have hoped for when I first travelled up here," Mindy explains with a smile. "Hell, even if you have knocked me up, got plenty of fans into preggo stuff," Mindy continues with another laugh.

"So when are you heading back home?" You ask.

"In a couple of days I'm afraid," Mindy says sadly. "Although if things go as well as I suspect they will, my fans will want me back up here to do a lot more scenes with you," Mindy says with a grin.

"Speaking of home, do you want to come back to mine and meet the rest of my family," You offer, remembering the whole reason Mindy was even up here. "Might make my surprise return seem a little off If I apparently come straight from the airport without my bags," You explain.

"Might have to save that for my next trip up now, got a lot of footage to edit to keep my fans happy, besides, wouldn't want to steal your thunder," Mindy adds with a smile.

"Well, until next time," You say with a big smile or the best you can manage with the turmoil of emotions running rampant inside you.

"You can count on that, Sis," Mindy replies giving you a big hug and a kiss on the lips, before eventually letting you leave.