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The knowledge that someone might have privacy was often plenty enough to light a fire of sensuality in the pits of their soul. Privacy was the ultimate freedom; a way for someone to be whoever they wanted to be, a chance to truly be themselves, without fear of judgment, fear of hatred, and concern of the watchful eyes of onlookers who might use the sight for their own perverted ends at a later time.

Blitzen had the delightful fortune of experiencing the nirvana that was privacy on a calm and breeze autumn afternoon, and while Mother Nature went about her business outside the small house that he shared with his sister, blowing leaves across the street in tiny twisters and sending a delightful fragrance through the air, Blitzen was cooped up inside as the temperature started to drop.

After all...privacy had a risque element to it when there was something secretive happening behind closed doors, and Blitzen relished in that knowledge.

"Can't believe I'm gonna get away with this...sheesh...I can't even believe that I'm doing it in the first place!" Blitzen muttered to himself, his voice still subdued, even though he still fancied himself to be home alone. It was simply a force of habit, and one that he wasn't all too worried about being unable to overcome. The risk that he might get caught kept a constant chill traveling from the base of his hooves to the peak of his spine, and it kept his voice nice and low, as if there was any chance that someone might actually be home, even when Blitzen had already gone out of his way to double and triple check that no one was around and the doors were all closed.

Getting caught in the act, as it were, was a risk that he simply couldn't afford.

There was a desire inside of Blitzen to give himself up entirely to the lewd act he was about to commit, without a care in the world of whether or not he was caught, but the moment that he rested the soft fingertips of his paws on the handle of his sister's door, the taboo of his idea came crashing down upon him like an avalanche on an alpine skier. The weight on his shoulders only grew as he turned the handle, finding the door left unlocked, just as he'd been hoping, and when the door finally swung harmlessly open into the room, Blitzen found himself paralyzed, his legs having all the strength of two tubes filled with jelly. He felt like his hooves were chained to the floor, completely unable to tense up, much less take another step forward into what should be a forbidden zone for him.

It's just her room, Blitzen thought, as he gulped and tensed up every muscle in his left leg, the powerful flesh in his thighs tightening up under the surface of his fur. And I'm just walking into it. It really shouldn't be this hard!

Blitzen was playing a mind game with himself, and he was losing. Every time he heard a quiet breeze passing by the window outside, he froze up again, his body feeling the same sort of terrified ache that it did when he used to try and sneak midnight snacks as a child, knowing that one heavy step would alert his parents to his terrible crimes. It was a rush, to say the very least, but a nearly unpleasant one at that, and Blitzen wished that he could just will himself past it as the door started to bounce back from the natural path of its swing.

"Oh, for crying out loud ," Blitzen groaned at his own hesitation, suddenly breaking through the ethereal wall that sealed him away from his sibling's domain. His legs lunged forward with a surprising purpose, and his body carried along with it in a graceless step, leaving him to lean over the side of her bed as the chills that tickled at his every nerve left him a little bit disoriented. "...There...was that really so hard?"

Yes, he mentally answered, It actually was.

Blitzen and Comet weren't youngsters, much as one might expect Blitzen to be in such a scenario. It was all too common for young siblings to explore each others bedrooms as they got older, trying to find the missing link between genders and figure out where they fit in to the world, exactly, and further, how their siblings might be different from them. A young adult living on his own with Comet, Blitzen was well past such an age to have to wonder, but even in his early 20's, there was something waiting in Comet's room that simply couldn't be had in his own room...something that he found himself desperately, maybe even irrationally trying to find.

"If she comes in the door..." Blitzen pointlessly whispered to himself, "Stuff everything back where you found it, and if she asks any questions, tell her that you have no idea who would have been snooping through her underwear drawer."

It was a pathetic attempt at an alibi if Blitzen had ever heard one, but it was the only defense he would have. Resting under his casual blue jeans and black t-shirt were standard male fare; a pair of tight, bulge-flattering boxer briefs of red, silky thread and a muscle shirt to give him a second layer in the colder months...but for some reason, lately, Blitzen found his mind tilting toward a different set of undergarments, and they weren't the kind he could buy for himself.

A small tuft of tawny hair sat neatly combed between two long, curved antlers. Just by his name alone, no one would be surprised to know that Blitzen was a reindeer, and he was quite the attractive specimen to boot. His eyes, a soft, olive green, had a kind and captivating nature to them, and he took quite good care of his body, with arms that showed off just a bit of muscle, and a broad pair of shoulders that stretched out his t-shirt just enough to draw attention. Like nearly all cervines, his thighs and ankles were highly defined, and hinted at the kind of strength his legs might really possess.

Despite all of that, Blitzen was still frowning just a tiny bit as he looked over his outfit in Comet's full body mirror. He turned his hips to the side, changing the angle of his view, but even then, things still just didn't quite look right. They only started to look better as he stripped the tight t-shirt from his abdomen and tossed it to the ground, along with the muscle shirt that had been hiding under it. His jeans came down easily enough with the flick of the button that kept them around his waist, but then, he frowned again at the sight of his boxer briefs. Somehow, it just didn't look right to him...so off they came, without a second thought, left to be tossed on the growing pile of clothes on the floor.

"But Comet...she has all kinds of sexy unders, I bet..." Blitzen mused, as he looked around his sister's room. It was actually quite rare that he spent any time in her bedroom, and most of the time that he did, it was just for a quick conversation about what dinner was going to be that night, but this time, Blitzen could actually slow down and appreciate how tidy Comet kept her bedroom. She obviously believed in order, and nothing was really out of place; no clothes were left out, her bed was always made, and the dresser against the near wall didn't have a single speck of dust upon it. It was also the center of Blitzen's attention, as he stepped over the pile of his own discarded clothes, and went right for the top dresser drawer.

_Can't believe I'm really doing this...but...she'll never know,_Blitzen reminded himself, as he instantly hit the jackpot. He could remember occasionally sneaking into his parent's room as a child and investigating their drawers, and like most parents, they kept their undergarments in the top drawer, away from the prying eyes of nosy children. Comet had picked up the same habit, but Blitzen wasn't disgusted by what he found, like when he searched through his parent's drawers...

...He was a little bit turned on, instead.

"Wow... Comet really goes out on normal days wearing stuff like this?" he asked himself in genuine shock, picking up a pair of thin, stringy panties in the dark brown fingertips of his paws. They were a bright purple, bordering on ultraviolet, and while they'd obviously cover all of Comet's unmentionables, Blitzen couldn't imagine that they would do a single thing to support her body, or dull the sensations of her jeans grinding up against her more sensitive areas. "There's even a little lace sort of inscribed into the fabric...that's gotta feel...interesting grinding up against her crotch all day..."

It felt awkward enough to talk about his sister in such terms, and 'interesting' wasn't the word that Blitzen meant to use, but it was the only one he felt comfortable saying, while thinking about Comet. He wasn't a fool enough to deny just how beautiful a reindeer his sister was, but he certainly didn't think about her in that sense...

Not usually.

"I wonder..." Blitzen paused, as he looked over his figure in the full body mirror once again, but this time, fully in the nude. He could see his member dangling down between his thighs, completely unsupported and just a little bit engorged with the thrill of the moment...there was just no way that those panties would do anything to hold it up. "But...it wouldn't hurt to try, would it?"

There was something awkward about trying to spread and stretch what felt like nothing more than a piece of string. It actually took Blitzen a couple of tries to get his hooves to go in at just the right angle so that the delicate panties would finally slide up along his thighs, but as he brought them up to the bulge of his manhood, his thumbs hooked into the panties on each hip, he watched in a moment of surprise as the thin, flimsy looking fabric actually did, in fact, encase the entirety of his cock.

That didn't mean it wasn't a tight fit, though.

"Not what I'd call the most comfortable thing in the world," Blitzen admitted, but slowly, he pulled his paws away from his hips, and the panties stayed right in place on his body, keeping his girth in check and leaving the impression of a large, slowly growing bulge. Perhaps it was the feel of something so smooth and silky against the soft, sensitive flesh of his member, or even just how forbidden the act was...but whatever was going on, he wasn't able to deny that blood was slowly rushing down to his crotch...and even if he could deny it, he didn't want to...he wanted to enjoy this.

It was the magic of the veneer of privacy, and for Blitzen, it could be just as easily broken as it was built up.

It was the same veneer that gave him a false sense of confidence and security as he thumbed through the drawer, trying to find the matching violet bra that was no doubt hiding in the surprisingly messy collection of lingerie.

It was the same veneer that made him deaf and dulled to the outside world, keeping him a state of his own wonder as he finally found the garment, ignorant of the car door that quietly, politely closed in the driveway outside.

The very, very same veneer that shattered like a pint glass that had dropped to the floor as Comet stood in the door way of her room, her maw completely agape, and her coat, once held delicately in her paws, dropped effortlessly to the floor.

"B-Blitzen...what...what's going on here?"

It was a rather subdued way for the female reindeer to break the ice, and even in a moment of shock, she retained all of the beauty that made her a force to be reckoned with for multiple reasons. An officer of the law and a dominant woman in all regards, Comet had the whole package when she was blessed with the good looks that blossomed in her teenage years, and hadn't aged a day into adulthood. Blonde hair could usually been seen flowing carelessly down to her shoulders, but fresh off of a shift, she had it pinned up to the back of her head, and still, she wore it wonderfully. Blue eyes that could bring any man or woman to their knees blinked in shock as she tried to drink in the reality of the situation she'd just walked into, and her fur, typically a soft brown with a white underbelly, was blushing bright all the way up to the tips of her ears.

_Naturally...just when I found the matching bra,_Blitzen muttered in mental anguish, worrying about something relatively trivial, given what his sister was looking at. It didn't help that his cock had been growing all the while that he'd been playing dress-up, and despite her better judgment telling her to look away, Comet couldn't help but notice that rather impressive length between her brother's thighs.

"Uhm...h-hey, Comet...I didn't...uhm...didn't think you'd be home this early!"

"Something tells me that even if you did think that, I would have caught you in this position sooner or later," Comet replied, her maw finally closing back into a rather familiar and confident smirk, one that Blitzen was used to seeing on her lips almost all of the time. It never ceased to amaze him how quickly she could adapt to any situation; this one was no different.

Comet had her suspicions about her brother, long before she'd caught him in this act. She was bisexual herself, and while she'd never quite been able to catch her brother looking directly at other men or doing anything that might give him away, she'd done enough prying into his personal life to think that while he wasn't gay, he might not be entirely straight, either. An attempt at crossdressing certainly didn't mean that he swung for the other team...but it was an insight into her brother's inner workings that she hadn't anticipated. "Is this the first time you've gone through my panties, or have you been pulling raids since you moved in with me...?"

"Why do you want to know so badly?" Blitzen asked, trying not to come across as defensive, but the tone of his voice was exactly that. He could hardly help it, standing with a bra that hung needlessly across his pectoral muscles, not quite strapped to his body, and a pair of panties that left literally nothing to his sister's wandering imagination.

"I think I have a right to know. They're my clothes," Comet reminded her brother, "And if I'm ever missing a thong again in the future, I think I'll know just where to look for it!"

Comet was definitely better at calming down in a tense situation than Blitzen was. His teeth were still gritted in a nervous visage, and his cheeks felt like they might burst into flames if his sister stared at him any longer. _She's not...she's not really checking me out, is she? I'm sure I'm just imagining things..._he wondered, slowly setting the bra back down in the open drawer so that his paws could slide down his body to cover up the uncomfortable bulge in his panties. "I-it's the first time, I promise! I just...just..."

"Just wanted to know how comfortable it was to try and stuff your junk into a pair of panties? You could have just asked," Comet teased, and Blitzen still found himself amazed at how quickly Comet could slip back into such a playful attitude, even in what would be an awkward situation for most siblings. "It's not like I haven't seen weirder stuff in my day, Blitzen, but...this really isn't that abnormal. A lot of guys are into crossdressing, and plenty of them lead normal, healthy lives!"

What was no doubt supposed to be a comforting speech to Blitzen was only marginally helpful. Just to hear his sister say the word 'crossdressing' in reference to what he was doing made him cringe a tiny bit, and it didn't help at all when his sister made herself more comfortable, leaving her dropped jacket in the door way so she could walk over to her bed and sprawl out upon it, acting almost as if she hadn't caught her brother doing anything out of the ordinary. Blitzen felt as if she knew something deeper about him, without her ever having seen it, or without his ever having told her. "But...this really is the first time I've ever tried it, Comet...and I don't think I ever will again..."

"Now, hold the phone!" Comet quickly cut in, giving her brother a grin that was so eager, it was almost cheesy. "You actually really pull that look off, Blitzen! I believe that it's your first time trying on my panties, but...I feel like you've put an awful lot of thought into all of this. Is there someone that you're trying to impress, maybe...?"

Without actually asking, it felt as though Comet was cutting right to the core of the other thing that Blitzen was so shy about. Well played, sis..._he thought, letting out a tiny sigh and doing his best to get comfortable, or at least, as comfortable as he could be in such a situation. "...Well, there's a couple of cute guys roaming around the campus lately, and I was just wondering...y'know...how I might look in something a little _different if I got one of them to come home with me..."

Comet bit one of her pawtips as she continued to let her eyes roam freely over her brother. "Is my cute little brother playing for the other team, then?"

" No! I mean...not entirely..." Blitzen cried, before slowly giving in to the reality that he'd been figured out. "I...I'm bisexual, Comet...trust me, there's a lot of girls around the neighborhood that I'm still really attracted to, but there's definitely a couple guys that I've been scoping out, too..."

"That's good, Blitzen, and there's nothing wrong with that."

"Huh...?"

The playful attitude faded just a little bit from Comet, who stood up off of the comfy, black and white comforter that completed her bedspread. She gave her brother a genuine smile and pointed at herself, just for a moment. "I'm bisexual too, Blitzen...and there's nothing wrong with being who you really are. I'm sure that couldn't have been easy for you to admit, so...I just want you to know that I'm happy for you, brother, and I hope you're happy with yourself, too."

Finally, Blitzen felt truly comforted.

"Do you really mean that, Comet...?"

"Of course I do!" she admitted with a cheerful grin, taking a step closer to her brother and wrapping her arms around his shoulders to give him a welcoming embrace. "I don't see you as being any different than I ever have, and if being bisexual makes you happy, I'm all for it! In fact...why don't we go out tonight and celebrate?"

Blitzen was caught between just how accepting Comet was of the change, and trying to ignore the feel of her hips, warm, soft and curvy, against the bulge of his member. "You mean it?"

"Why not? This is a perfect chance for you to try out your newfound hobby in public, and thanks to my keen eye for fashion, I can have you looking drop-dead gorgeous for all of the sexy male prospectors that would be out on a Friday night...whaddaya say?"

The idea was completely crazy to Blitzen, who had only just put on a pair of women's underwear for the first time fifteen minutes ago. Everything was happening a little bit too fast for him, but that was just Comet's nature; as her name might imply, sometimes, she was quite spontaneous and quick to embrace a change, even one as extreme as the one her brother had just gone though. "Well...maybe..."

"Trust me, you'll have a blast hitting the club as a woman...it's a lot more fun!" Comet assured her brother before giving him a tight squeeze of excitement...and then, hesitating as she felt the bulge pressing against the inside of her thigh. Her own cheeks warmed again, almost instantly, as she gave her brother a bashful, cheeky grin. "And...maybe we can find someone to help you take care of that."

To be honest, I kind of thought you were going to, the way you're acting!_Blitzen thought, though he didn't dare to speak his mind on that subject. He could hardly believe how comfortable Comet was with his nearly naked body, and couldn't imagine his sister actually taking things further...but whether he couldn't, or didn't _want to imagine it, even he wasn't quite sure now.

Before Blitzen could object to his sister's rather lewd mentioning of his cock, Comet had already released him and walked right past him, to the white double doors of her closet that contained her nicer outfits. "And...y-you don't mind me borrowing your panties?" Blitzen asked, shocked at himself that he was even saying such a thing.

"Hell, you can keep those," Comet offered. "They've brought me some good luck in the bedroom...maybe they'll do the same for you. There's a matching bra that I see you found, but your chest might be a little too broad for the band size...and trust me, wearing a bra is more trouble than it's worth, anyway. They're super uncomfortable at the end of a long day, and they'll just get in the way of any fun you'll have later...here." she paused, tossing a top to Blitzen so rapidly that he could only catch it by the sleeve, "Try this one on. It should make your shoulders look a little smaller, and bring your chest into less focus. It'll do a great job of showing off that slim tummy you have to offer...guys love to see that, trust me."

Blitzen couldn't help but feel that Comet was still sizing him up in a way that a sister never should to her brother, but as she bent over to get a pair of heels out of the bottom of the closet, he found his eyes drawn to the subtle lift of her cute, poofy little tail, and the way that it poked out so obviously above the toned curve of her rump. He did his best to try and shun those thoughts away as he slid the top on over his head...with no idea that his sister was having a lot of the same thoughts, with only half of the remorse.

"I...I guess this could actually work!" Blitzen said approvingly as he looked at himself in the full body mirror, actually loving the way that the top accentuated his tummy and drew attention away from the rest of his body. He looked just like a girl who had a tiny bit of extra muscle, and with the outfit completed, he was sure that he could fool anyone in the club.

"You might want to put on this skirt, first," Comet teased, tossing out a bright green skirt that would cover all the way down to Blitzen's lower thigh, "Can't go giving away your secret at the door, after all..."

A night out on the town between sisters... Comet thought, her mind racing as she wondered just how depraved things would get before they were all said and done.

What could be more fun than that?

**

One attempt at wearing heels threw that idea out the window for Blitzen, but his sister was satisfied with his changed appearance nonetheless. The top was doing a perfect job of covering up his slightly broader muscles, and the skirt was cut at just the right length to show off the tone of his calves, and give them a slimming effect. She gave him just the tiniest amount of makeup possible to try and let his naturally fair complexion shine through, and not surprisingly, neither of the reindeer twins had to wait even a minute to get into their first bar of the night when the doors opened...they were three bars in, now, and the alcohol was slowly starting to get to them.

"That is easily the fastest I have ever gotten into a nightclub in my life!" Blitzen exclaimed, completely breaking character for a moment and remembering just how exciting it was to have that kind of power. "You were right all along, Comet...this really is that much better than going to the club as a guy!"

"Just wait until the free drinks start rolling in..." Comet whispered with a quick giggle. "Honestly, the way that we're looking tonight, I have a feeling we aren't going to be here long, brother mine...just be sure to be safe if you don't end up coming home tonight."

Comet was actually a bit more protective of Blitzen in general, not just because he was currently dressed up like a female. Her more dominant and hardened personality from her work as a police officer made her very protective of the ones she loved...and in the case of Chance, those she went to bed with.

"Fancy meeting you here, Comet...but...who's your friend?"

Before the ladies could even make it to the bar, Comet had the good fortune of running into Chance, one of the people she kept not just as a good friend, but a friend with benefits.

"Not a friend, Chance..." Comet quickly corrected him. "This is my sister, Blitzen!"

There was no need for Blitzen to change his name, since it was so fitting for his species, and no doubt, it could be considered a unisex title. Still, Chance did his best to hide a look of confusion as he smiled at Comet's 'sister.'

I know Comet told me that she had a pair of twin brothers...I'm almost certain that she doesn't have a sister...but...screw it. She's cute! Chance battled back and forth in his own mind, before reaching out with a strong, welcoming paw. "Nice to meet you, Blitzen. I'm Chance...and any relative of Comet is a friend to me!"

Blitzen wasn't quite sure at the moment just how a proper lady should act in the club, but so far, he'd mostly just been himself in a different look, and decided to keep up the act. He was still as shy as he'd ever been, and was plenty socially reserved, but he offered Chance a solid handshake all the same, knowing the importance of making a good first impression...and it was perfect for Chance, who liked a woman who wasn't afraid to step up and be known.

"I'm Blitzen...it's very nice to finally meet you, Chance. Comet has told me plenty about you...sounds like you're quite the kind gentleman!" he complimented the equine male, though he kept a few less delicate words to himself. A kind gentleman, easy on the eyes...and his jeans aren't doing a damn thing to hide that bulge. Goodness...has Comet really taken all of that before?

Of course, like so many other shy people, Blitzen was just as corrupt of mind as the next sexual deviant...he was just a bit more tactful about it.

"I'm glad to hear that your sister speaks so highly of me. She always speaks highly of you, too," Chance admitted. Comet could only stand by with a devious grin, one that she couldn't imagine hiding as Blitzen gazed up at the taller horse, his eyes of subdued olive getting lost for just a moment in Chance's jade orbs. A mane of brunette flowed down to the middle of his neck and sat in a messy style upon his head, but Blitzen could easily tell it was an intentional mess, and he'd be damned if the horse didn't look stylish to boot. Even if he was just wearing a casual polo t-shirt and tight blue jeans, he wore them well, and they complimented the cuts of his body just so that no one, male or female, could help to see him when he came into the bar.

Blitzen knew he was flushing under his fur when he finally had his wits about him enough again to speak. "R-really? What does she say about me?"

By now, just from a quick glance up and down the body of Blitzen, Chance could tell at the very least that Comet might be playing a game with him, but he couldn't deny how attracted he was to the crossdressed reindeer, and he was more than happy to play along, if the expected outcome was still to be had. "She always told me how cute you were...she didn't mention that you were simply gorgeous...or that you liked to dress to have a good time."

Even four drinks deep, Blitzen wished he had another drink to hide his cheeky smile behind. Despite how attractive he was, dressed as a male or female, his timid nature occasionally turned people away, and it was rare that someone would be so brash and direct with a compliment to him. "C-Chance...just what do you mean by that?"

"Well, I know you ladies just got here, but Comet told me earlier that she might be coming out, and that she wanted me to meet you, especially...it sounds like you two share a lot," Chance suggested, giving Comet a quick wink before turning back to Blitzen. "Think you'd mind sharing one more thing tonight...?"

He's so bold! I...What...what do I say...?

Someone as shy as Blitzen never had a chance of resisting.

"I'd...really like that, Chance."

Whether it was love or lust at first sight, Blitzen was going to see it through to the end, even if it meant sharing a surprise with Chance...whether he would like it, Blitzen couldn't possibly know.

"My place is just up the street. Shall we get moving before this place gets a little too crowded?" Chance suggested, picking up his jacket from the back of a bar stool and giving a knowing glance to Comet, who was still just enjoying the way that Blitzen looked so completely shell shocked.

"I think that's a yes," Comet replied for Blitzen with a snicker, grabbing her secretive brother by the wrist and making her way for the door with Chance, but she took her time, making sure every other interested male at the bar could get a good look at Blitzen before he was completely off the market.

**

"I've gotta say, I've never seen you out partying at the bars and clubs before," Chance said as he turned the knob to his small uptown apartment, welcoming the reindeer twins into a place that Comet was entirely too familiar with, but Blitzen had never seen before. Despite being a hunk of a male and perhaps the visual stereotype of a messy one, his contemporary living space was well kept; he even had a coat rack by the front door to hang his jackets on, and like a proper gentleman, he took Comet's cardigan and let it rest on the coat rack as well. The moment it was hanging, however, Chance went right into the kitchen, sitting directly off of the front entrance, and went up into his liquor cabinet. "Knowing that a lovely little lady like Comet doesn't have to be so lonely all the time at home is cause enough for celebration, I think...you girls feel like doing a toast?"

The buzz was just starting to fade for Comet, who was more of a social drinker than Blitzen ever was, but both reindeer found their tongues salivating just a tiny bit at the mention of more alcohol. "I thought you'd never ask," Comet replied rather boldly, while Blitzen could only give a meek nod and say, "Yes, please..."

Blitzen would never know the full truth of the situation. He would never know if Comet had arranged the whole encounter, and for the events that were soon to follow. He would never have any idea if Comet told Chance to pick him out of the crowd, or if what came next was all part of an elaborate plan, or the spontaneous consummation of three lustful bodies in one place at one time.

All he would know for sure was that Chance had figured out his little charade, just from one glance at the bulge that Blitzen failed to properly hide behind his sister's borrowed panties.

"Honestly, I don't know why Comet would have hidden the fact that she had a sister from me all this time," Chance said as he gathered up a cocktail shaker and a couple different bottles of booze. "But, to be fair, I never asked...so I guess that's my fault for not pursuing enough. I'm a good host, and I'll happily share a drink with you anyway, Blitzen...you like something a little bit sweeter, I'd assume?"

"That'd be lovely," Blitzen admitted, as she took a seat on the black sofa in the living room, next to Comet. It could just be the alcohol, or perhaps his own perverted mind wandering again, but Blitzen could swear that Comet was looking at him like a morsel that was for nothing more than her enjoyment. "What are you making in there?"

There was a distant kashookahshookahshook as Chance splashed a couple different ingredients around in the cocktail shaker with a full helping of ice to cool the drinks. He strained three shots out of the metal container, but the third shot was only half full. One last bottle came out of his liquor cabinet, with only a cheap piece of tape as a label, with the words 'Prebudila F' written on it. Half a shot went right into the drink that Chance handed to Blitzen, while his own and Comet's were completely untainted. "I call it a short and sweet," he finally explained, as he tilted his own back and let out a quiet, albeit exaggerated sigh of enjoyment as it coursed down his throat. "I think you'll enjoy it quite a bit...I got the secret ingredient from that friendly coyofolf bartender..."

Comet knew exactly what he was talking about without ever seeing the bottle, and she tilted her drink back with an authentic groan of delight. "That's gooooood..." she murmured, looking up at Chance with a devious grin. "Oh, of course...the nice black and orange gentleman. Did he say how long it would take for the stuff to work?"

Stuff to work? Blitzen thought, but he heard the words a moment too late. The drink was already well into his gullet, and nothing remained in his paw but an empty shot glass. "...What...what was in that drink, Comet?"

"It's nothing to worry about," Chance declared, pulling up a seat on the end of the sofa next to Blitzen and looming over him just a bit. He suddenly felt edgy and nervous again, but when he looked the other way to Comet, she was giving him the same sultry look as before...and she was getting a little closer. "Just something that a sweet little femboy like you might come to appreciate...probably in just a minute, since you took it directly."

"Ooooh... It's gonna work fast! We'd better get these clothes off so we can watch the changes together..." Comet whispered delicately into her brother's ear...but the lie that they'd been passing off all night, that she actually had a sister, was about to come true in ways that Blitzen never could have dreamed. Too timid to stop the lustful pair that was advancing on him, and secretly enjoying the idea too much to resist it, Blitzen leaned back into the couch, pretending he could sink into it...even as something truly unexpected happen.

Comet leaned in and gazed at her brother...it was a look of longing, one that told of a long time and secretly shared desire as her comforting eyes of soft, pale blue giving Blitzen the sweetest of looks...before she pressed her lips to her own, giving her twin a kiss that went far beyond the lines of a familial exchange.

" Mnnnf!" Blitzen cried out in muffled shock, as the last of his resolve against something so forbidden was literally kissed away from him, and as the shock of the moment passed, his paws, trembling with excitement and nerves, reached up to wrap around her lower back...and Chance simply made himself comfortable, unzipping his jeans to let his length grow, uninhibited, as he watched the sensual siblings making out on his couch.

"You two really do share everything..." Chance whispered in teasing. Everything would normally have been moving far too fast for Blitzen, but his eyes, still yet to close, weren't that surprised to see Chance releasing the flared tip of his member from his boxers. The first side effect of Prebudila F was an extreme boost in libido...and Blitzen found the resolve of societal norms to be no match for it. He watched, in fact, as Chance gave his own member a few curious strokes, getting it ready for what all three now knew was coming.

"Mmmmmhmm... Comet agreed, refusing to break the seal between her own lips, and her brother's. She knew that it was a forbidden lust that she felt for him, but it was one that had been mulling around in her head for so long now that she didn't know how she resisted fucking his brains out the moment she caught him in her panties. Now, she'd have the chance to take part in something even more depraved, and that alone left a growing damp patch on the front of her red panties, barely hidden by a miniskirt. She rested her paw on her brother's chest and waited for the changes to start, but not before pulling the useless fabric out of the way, breaking the kiss for only a literal moment so she could pull the cloth over his head. Even as it came away, Comet could see budding breasts starting to grow on Blitzen's chest...and she could feel the throb of his erection finally starting to fade as his cock retreated into his body...and started to change into something much more feminine.

"Comet, we can't..." Blitzen started to protest, but it was a weak one at best, and only more of a turn on for Comet, who kissed her brother again and rolled over on the couch to straddle him. Blitzen couldn't comprehend the sensations that were filling his body...and as the Prebudila kicked in a bit more fully, and the tip of his cock now remained as nothing more than a proud, erect clit, sitting atop of a thin, tight pair of vaginal lips, Comet could be attracted to her brother in an entirely new way...it would only last through the night, but at that moment, Blitzen really was her sister, and Chance was finding it impossible to sit idly by and watch any longer.

"A much quicker transformation than I expected..." Chance admitted, but he wasn't about to complain about that fact. He was actually grinning like a fool with delight, and it was hard not to when a pair of sexy, lustful sisters were making out and dry humping on his couch...it was something out of his wildest fantasies, and yet, it had come to reality, right in front of his eyes...and timid little Blitzen, for all of her resistance, was now pressing her lips back to Comet's with even greater ferocity than the dominant sister. "And you most certainly can, Blitzen...and you will."

There wasn't a scrap of resistance left. Blitzen only moaned in agreeable ecstasy as Chance forecast her evening for her, and followed it with a groan of disappointment as Comet broke the kiss again...but only to unbutton the top that was currently part of the perfect schoolgirl outfit. Tight, white and tied off with a cute plaid neck tie, the entire top was torn away, nearly sending buttons into the air and almost tearing the tie as she tossed them to the floor. It was the first time since they were children that Blitzen had seen his sister topless, and even in a female form, his bisexuality rung true...perky, soft, and the perfect size for her body, they looked like an absolute delight to Blitzen...she was nearly drooling at the sight of them, piercings and all.

"Go ahead, my dear sister...give them a taste."

The Blitzen of old would have hesitated, and even with the given permission, he would have looked to Comet for a nod of approval. Now, as a female and under the influence of Prebudila, she leaned forward with a thin drip of drool falling from her lips as she opened them to seal them around her sister's right nipple. The rush of that feeling alone would have been enough to have Comet gasping to the high heavens...Chance starting to tug at the back of her skirt was just an added bonus.

"You sure seem to think you're being generous, but are you really going to deny your sweet little sister the pleasure that she's been waiting for all day?" Chance asked, putting Comet on the spot as his skillful paws unbuttoned the spot that her skirt bowed around the tiny fluff of her tail. "I think you should give her a first hand experience of how wonderful it can feel for two clits to rub together..."

Comet didn't dare to pull away from her sister now, as electric thrills filled her chest with each pleading suckle from Blitzen's lips, but she lifted her hips just enough for Chance to tug the skirt away, and Blitzen caught on quick, keeping both of her paws free to slide the hem of her own skirt down. Chance helped the sisters along, tugging the skirts down to the floor so they could focus on pleasuring each other, and Comet's free paws found themselves quickly going for Blitzen's newly born breasts...they were a bit smaller than Comet had imagined, but they were just right for the body they sat upon, and were so soft to the touch that Comet couldn't help giving each one a quick squeeze...one that she didn't give up on so easily.

"Are y-you kidding?" Comet asked, her voice trembling as Blitzen displayed a level of skill with her tongue that Comet never would have guessed at, "I'm gonna rock her fucking world...if you just want to sit there and watch, well...that's your loss."

Two slits, each still covered by a pair of dampened panties, brushed against each other for just a moment as Comet dipped her hips into her sister. The touch was so intense that Blitzen stiffened upright against her breast and bit down on it tightly, as she just couldn't handle the combined effects of Prebudila, and her first time feeling the pleasure that a woman could experience. Feverish for a real, uncovered touch, Comet hooked her thumbs into her panties and tugged down hard, forcing them around her knees and gesturing for Chance to do the same to Blitzen. The horse complied readily, responding to Comet's dominant nature, and in seconds, Comet could see the bare, virgin slit of her sister, glistening with extra arousal and just waiting to be touched.

The first true, bare touch that it ever felt was that of another pair of labia, moist, heated and ready to be pleasured, kissing and caressing against the flesh of it's twin. Clitoral hoods brushed against each other as Comet dipped her hips and winced her eyes shut tight, and finally, Blitzen couldn't fight back the moans any longer.

"C-Comet! Holy...fuck...that's incredible!" she shouted, her lips finally falling away from the tender breast in front of her with a thin strand of saliva falling to the carpet. "My body...it's on fire! I feel like I'm going to explode...my clit...it's...it's so sensitive...please, please grind against it!"

Despite the twisted pleasure that was contorting her expression, Comet managed a domineering smirk as she started to slowly roll her hips against her sister, sharing their wetness and putting just a little pressure on Blitzen's clit, just enough to keep her gasping with desire each time that Comet budged. "I swear, you must have been spying on me or something, Blitzen..." Comet thought aloud, resting her paws on the shoulders of her transformed sister so she could control all of the action. "I j-just...just fucking love it when my partners beg for more..."

"She really does," Chance cut in, deciding to take the chance to finally move in on the sisters...and two pairs of sultry, needy eyes looking back at him literally demanded that he hurry it up. "But sometimes, she likes it just as much when you take reins yourself..." he paused, resting a paw on Comet's rump to lean her body forward just a little bit. Her hips rotated back just a little, exposing more of her slit to Chance, and the naughty little reindeer that Blitzen had become spread her labia open the best that she could, giving Chance a show that he'd likely never forget. "...And show her how much you really need her... without begging."

Comet had been waiting all night for Chance to fill her with the massive, impressive length of his equine cock, but she'd be waiting a moment longer as Chance took the opportunity to do something he might never get to do again, and slid his cock forward, bubbling at the tip of a slow ooze of precum...and slid it right between the two females, his cock fitting perfectly as the meat in a sexual sandwich, with each pair of vaginal lips hugging either the top or bottom of the shaft with a wet, sticky embrace.

"I've always wanted to have a threesome with two sisters...the only way it could be better is if you horny little reindeer came all over my cock...together."

Even under the effect of the drugs, Blitzen was still the tiniest bit shocked by the idea, but Comet was so turned on that her hips started to move all on their own, sliding over the top of Chance's length and encouraging Blitzen to do the same. With Comet straddling her sister, all of her weight was coming down on the offending cock with each pass of her hips, and the shaft hit her clit just at the same time as it would brush over Blitzen's, syncing up the pleasure that the twin sisters felt, each time that Chance bucked his hips forward.

Every part of the lustful trio was still in slight disbelief that this was happening...and none of them wanted it to end.

" COMET!" Blitzen cried, her subtle, olive eyes wincing shut as she tried to handle the incredible sensation of thick, powerful veins throbbing with such random timing against her clit. "He's good...he's so fucking good! My clit's pulsing so hard...I...I can't take it...I think I'm already gonna cum!"

"Nnnngh... Just do it, sis!" Comet ordered her, licking her lips at the thought of their cum mingling together as they kept sandwiching the tasty horse cock. "The best, and I mean the very best part of being a woman...Oh God... is that you can cum as many times as your body will let you, as fast as you want...just...g-give in, Blitzen!"

Chance could feel the excess lubricants already nearly spilling out of Blitzen, and the trail of those same juices already spilled down, soaking the soft, covered orbs in his sack with a lewd, glistening sheen. Blitzen would have climaxed then anyway, but under the effects of the Prebudila drug, she could feel a rushing inside, as if she were still a male about to cum, but instead, the fluid that came out squirted from her bodily even more sporadically, and made a fantastic mess of the couch as Chance kept thrusting, cutting the stream of the spray with his cock and spilling the juices of a proper female ejaculation everywhere.

" Oh-my-God!" Blitzen cried, her voice completely chopped up by the constant moaning that now took control of her vocal chords. "I...I can't...stop cumming... I can't!"

" Good!" Chance grunted firmly, as he took a hold of Blitzen's ankles and held them in his arms, drooping them around his lower back as he changed the angle of his thrusts just a little bit...and with only a little resistance, the flared tip of his cock penetrated Blitzen, and as a female, she was a virgin no longer. All of her moaning ceased into a nearly silent squeak of untold pleasure as she held still for Chance to slowly, carefully penetrate her cunt, and her body simply writhed around the length as Comet pushed her clit down on her sister once more, finally bringing about her own first orgasm. "T-then we'd...better keep it going...God damn, she's so tight...she's too tight!"

Comet threw her head back as she let her body dive into the throes of a passionate and powerful orgasm, and her eyes simply dripped with lust as she looked back over her shoulder at Chance, that look alone beckoning him to join the sisters in a third climax. "C'mon, Chance...d-don't keep us waiting...these pussies need a nice, hot, thick cream filling!"

Unable to control her body as her inner walls convulsed around the invading cock, and unable to handle the full girth of a giant horse on her maiden adventure, Blitzen accidentally pushed Chance over the edge, her pussy doing all that it subconsciously could to milk the seed right out of the tense horse, and within seconds...it worked like magic.

"A-as you wish, Comet...your sister is just such a tight, wonderful little fuck...d-damn! I'm cumming too, ladies... fuck!" Chance groaned, as the one moment of regret at his body giving in so easily was immediately washed away by the flood of something that all equine males were known for...their legendary volume. One throb of his cock inside of the deflowered Blitzen was enough to fill her past capacity, and a thick, white stream of his creamy seed spilled out of her slit as he simply drowned her insides with his cum. A greedy Comet wouldn't let her sister have all of the spoils, and she grabbed Chance by the base of his cock, pulling up on it until the equine was forced to pull free from Blitzen and stuff the fire hose of a member into her cunt, quickly filling her up with even more of the mess than he'd given to her sister. Comet was able to take quite a bit more with her extra experience, but even so, it was only a couple firm, desperate pulses of Chance's cock inside of her needy snatch before excess cum was spilling out of her body and dripping down onto her sister beneath her, spilling in erratic patterns on her thighs and her tummy...and some truly naughty drops even fell all the way to her sister's own open, drenched folds, coating them in a fresh layer of thick, white essence.

Blitzen wished that she could find her voice, or with it, the words to describe the pleasure that she felt. Her clit was still buzzing, sending wave after wave of pleasure through every nerve ending in her body and keeping her solidly pinned to the couch, even if Comet wasn't straddling her. It wasn't until Comet slumped down to embrace her again, however, and Chance hooked his arm around from the side, that she finally relegated herself to her fate; covered in the mingled messes of two other lovers, one of whom was her own sister, laying in a sticky, naked heap on the couch with them in a moment of post coital bliss.

If I never moved from this spot... Blitzen mentally mumbled, as even her thoughts felt exhausted, That would be just wonderful...

"So..." Comet whispered, clinging as close to her sister as a body literally could, "Chance and I are going out drinking again tomorrow night...think you'd like to join us?"

Chance perked his ears in delight when Blitzen finally found her voice again, raspy, cute, feminine, and laden with undeniable pleasure.

"There's nothing else I'd rather do, Comet...and no one else."