> Piglight Sparkle
>  by The Great Wub Tub
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> Piglight Sparkle
> --------------------------------------------------------------------------

        Twilight Sparkle gazed in front of herself, at the odd spellbook which had found its way to her hands. It had simply appeared on the doorstep to Twilight’s castle, and from the moment she set eyes on it, Twilight knew that the spellbook was filled with a unique and curious type of magic, one that she’d yet to encounter in all of her years studying the topic. Normally, the princess of friendship would probably write a letter to Celestia about it, to try and see if her one time mentor had any information to share on the odd book, but she’d sent Starlight Glimmer and Spike away on a friendship lesson. So, it was only Twilight and the book in the depths of her castle, and she couldn’t help but feel drawn to studying it’s secrets.
        The book itself was curious by design. Wrapped in a black leather, a blue ribbon serving as the book mark hanging from the book, while silver was embedded onto the front and corners of the book, all connecting on the cover to make some sort of pig face, which constantly leered back at Twilight, almost taunting her for not knowing of it’s mystery. Twilight felt the aggravation building within herself, all because of this book. The purple princess wanted to believe that she’d learned a lesson or two about strange, magical objects in the world, but old habits did die hard after all. Who wrote the book? Why was the symbol a pig, instead of something equine? Thoughts like this ran rampant in Twilight’s head, driving her mad, till eventually she groaned, and her horn lit up.
        Twilight plucked the pig book from the magical barrier she’d placed it in, floating the book over to herself before grasping it in her hands, looking it over. The book didn’t let off any odd magics when Twilight touched it directly, and that was a good sign. Her magic scanned over it once again, and besides finding some strange readings, nothing really popped out about the book. Twilight gritted her teeth in frustration, staring into the beady eyes of the big on the cover. What exactly was so special about this thing? Why had it landed directly on her doorstep? Was this a prank from Discord? Some sort of test by Celestia to see if she still had what it takes? The curiosity of it was maddening, and with a final, annoyed shout, Twilight flung open the book.
        The moment the book was open, a massive plume of dark gas rushed out into Twilight’s face, the princess hacking and coughing, dropping the book in the sudden confusion. Twilight was unable to not breath some of the gas in, falling onto her hands and knees while she wheezed, doing her best to expunge the gas from her lungs, before she found that she had a bigger problem on her hands. Thoughts of the book, of it’s magic, of the gas, they all slipped away as one new, king thought flooded into Twilight’s brain, pushing everything else away. Twilight was hungry. Not the hungry that could be silenced with a simple snack. No, this hunger felt like it was eating away at her, that if she didn’t feed the void in her stomach soon, it ran the risk of swallowing her whole.
Typically, Twilight Sparkle would have just teleported to the fridge and gotten herself a quick snack if she was hungry, but this beast that bellowed in her core permitted no easy ways out. So, with panting breath and no other way, Twilight half stumbled, half crawled through the castle and to the kitchen. She cursed the large layout of the structure, each second that ticked by only serving to better boost her hunger. So great was her need to feed, that Twilight found her eyes glazing over, a slow, steady stream of drool escaping the corner of her mouth, the thought pounding in her head like a great drum. Food, food, food! It was all she needed, all she could crave or desire, was food.
By the time that Twilight did get to the fridge, she felt like a raving animal. Friendship, magic, all of that drivel could take a backseat as far as she was concerned! There was something much more important to her, and that was feeding the hole in her stomach! Feeding it, before it could swallow her up whole. The mare stumbled feedle to the fridge, before falling to her knees, and yanking the door open with magic, eyes glazed over still. They glistened at the sight of the fridge, fully stocked with food, so many greens and pastries and items galore, no doubt thanks to Pinkie Pie keeping it fully stocked for the mare. Yet, Twilight didn’t care at all for the specifics of what was in the fridge, no. All Twilight cared for was the fact that the fridge had food! Yanking open a drawer where they kept fruits, Twilight shoved her face into the bin, beginning to feast without a damn care in the world, feeling the juices squirt and splatter against her face, but if they did anything, they only spurred her feeding frenzy on.
As Twilight feasted, her mind slowly began to clear, as in, the pounding beat of food started to die down, but in it’s stead, other thoughts were slowly filtering in. Like how good, no, how utterly right it felt, to just be stuffing her face without a damn care in the world. To feel the juices splattering against her cheeks, staining them. To bask in the squish of pulp betwixt her teeth, swallowing it down, before diving in for more. The hunger was starting to slowly dissipate in her, yes, but it was being replaced by something else. Something new. No longer did Twilight feel like she had to eat. No, Twilight felt as though she wanted to, and thus, she did.
The fruits eventually dwindled to nothing, Twilight leaning back and licking her lips. Her eyes remained glazed over, the area around her mouth and neck totally covered in the juices of the fruits she’d so eagerly gorged on, her stomach slightly bulged thanks to the sheer volume of fruit that she’d intaken. Yet, the mare didn’t stop. She didn’t freak out. No, Twilight Sparkle just sat there, before a grin grew across her lips, looking over all the other foods and beverages that the fridge had to provide. Twilight wanted it, she wanted it all, every last morsel, every last ounce, it was hers, and she was going to enjoy it!
Twilight dove back into the feeding frenzy with gusto, hands reaching into the fridge, magic lighting up to drag food closer to her mouth, not caring of the mess she was making, on her fridge or herself, uncapping bottles and jugs to pour them down her gullet. It all had to go, after all. Had she been of more sound mind, the impossibility of what she was doing might have been enough to jog her free, but Twilight was not of sound mind as she ate. She was unable to notice or really care about the magical effects on her body, only enjoying the sensations coursing through her as she fed.
The first change to strike the princess was subtle, but consistent. Her entire body, a heat settled right under the skin, bringing a flush to her cheeks, a small groan through the food, but Twilight pressed on. She wrote it off as nothing, considering how the feeling definitely wasn’t unpleasant. The sphere that her stomach had become, stretching out to near painful levels with the vast contents, gave a loud gurgle, before the food within began to digest rapidly. The amount of gas created by the process made Twilight squirm, before releasing a loud belch, sending specks of food and drool flying into the fridge, before she resumed her meal.
Steadily, all over the pony’s body, adipose began to gather. The lithe, twig like appearance of the bookworm was being gobbled up in the same manner as Twilight was feasting, fat piling onto her entire frame. Nowhere was safe, her belly beginning to pauch out, cheeks rounding and becoming rosy, while a twin joined her chin. Thighs thickened up inch by inch, while her ass blossomed outwards, wider, fatter, arms becoming doughier, her clothes beginning to rip and tear as they lost the battle with Twilight’s expanding flesh, but that was far from the only change.
As the purple mare ate, she began to become more audible. Grunting and huffing as she shoveled more and more food into her mouth, a pressure building on her face. The mare groaned, shaking her head, before there was a loud pop. Her face suddenly shifted with the pop, nose flattening out into a proper pig snout, a pair of tusks growing in, while her eyes became beadier. Twilight snorted happily, the pressure in her face gone, before she returned to stuffing her face with the contents of the fridge. The contents gurgled in her stomach, and with a loud grunt, Twilight Sparkle ripped ass, a thick plume of purple rushing out. The gas washed over her tail, which shrank and shuddered, before curling up into that of a proper pig, ending in a tuft of her once glamorous ponytail.
Twilight’s mind raced, just beaming with how damn good this felt. Stuffing her muzzle with food, the fat piling onto her frame, passing gas without giving a damn in the world. It all felt fantastic to her, so totally right! She snorted with glee, shaking her hooves till they, too, popped, becoming a more cloven shape. By the time Twilight finished her feast and stood onto her hooves, grunting once more and scratching at her gut, she was utterly transformed from the one time pony princess of friendship. 
Twilight was large, entire body covered in jiggling, sweaty fat, the sow huffing and grunting while her clothes hung off of her in tatters, stomach gurgling, yet at long last pleased. During her feast, hair had grown in on the sow’s body. Thick tufts waited under her arms, the fat swine lifting them to sniff at her new musk, before grunting once more, satisfied. A trail of fuzz rose from her crotch to her belly button, which the pig idly scratched at, just basking in her own pigness, before she could feel it, one final pressure in herself. Reaching down, Twilight grunted, and hefted up her gut, before her crotch suddenly exploded.
Without any hesitation at all, the flesh on Twilight’s crotch exploded and expanded, pussy moving south while a thick pillar of cock rushed from the sow, thickening in girth while it grew in length, a pair of hefty orbs growing in and flopping under it. The cock grew out long and hard, Twilight squealing loudly while the length suddenly fired off rope after rope of hot, thick, virile seed. Twilight stood there, panting and shuddering as she rode the pleasure, before it finally ended, and her dick grew flaccid, the fog finally clearing from her mind. She paused, looking down at herself and looking over her new form, grunting idly, before a smile grew onto those new porcine features. A naughty, wicked smile.
Oh, Twilight just HAD to show that book off to her friends!