Rainbow Dash had to clench her hind legs together as she flew towards Ponyville, leaving her cloud home behind. The burn in her nethers hadn't subsided, only intensified! She'd got off so many times yesterday, and thinking back to each steamy session only made her feel hornier, her wings so stiff that she could barely fly straight as she tried to focus on something other than the thought of more cock, pussy, cum...

The approaching ground told her to snap out of it. She had almost taken a nose dive amidst all of her daydreaming, and she'd rather not have her reverie broken by a faceful of dirt. She'd much rather a faceful of pussy, if she had any choice.

Rainbow had been tasting herself more than usual, growing acquainted to her unique tang, but it was losing its novelty fast, she knew she needed more, another pony to share her insatiable salacity with before she fucking exploded. Rainbow bit on her lip as she tore through the air, barely above the ground if only so she could let the grass tickle her belly, exciting her senses further.

She stooped, clenching her hooves and preparing for landing, her fetlocks embedded in the grass as she skidded to a stop, nearly toppling over. She couldn't fly anymore. The air was tickling her engorged clit far too much, and she could feel the wetness being blasted by warmth as it continued to trickle down her. Celestia, how she would have loved to have plugged it, to find a little love egg or vibrator to shove in there, or a kegal ball she could walk around with, everypony blissfully unaware that she was bringing herself closer to another orgasm with each step.

Maybe she'd stop by the adult store and pick up some toys later, but first, she needed a partner.

She knew just who she had in mind, too. Throughout all of her dirty imaginings the day before, they had kept drifting back to one pony in particular, even permeating her wet dreams. Thoughts of soft fur and sweet saliva mixing had brought her to the edge so many ties, and she needed to finally taste Twilight, to see if she was just as good as she'd built her up to be.

But how would she ask her? It wasn't exactly a normal question, Rainbow knew, a slight frown on her face as she sauntered into town, rubbing her hind legs together and clenching her body as her tail twirled to tease her throbbing twat. Soft aches pronounced themselves in breathy gasps as she continued to walk, scarcely caring who heard and not bothering to modulate her voice. She'd be a little slut today if she felt like it.

She definitely felt like it, too. More than anything else, in fact. Rainbow was pretty sure she'd choose a sweet tongue lapping around and inside her over a million bits right now, that or she'd pay a million just to have somepony service her with an earth-shattering orgasm to knock the rest out of the park. That'd be a pretty tall order, as she'd had quite a damn few in the last 24 hours.

Time to see if Twilight could deliver. Approaching the castle, she didn't bother to knock, walking inside and shutting the door behind her as her tail flicked in anticipation, a small grin settling on her face. She was gonna fuck Twi, she just absolutely knew it.

Every step only added to her impatience; Rainbow didn't have patience in droves when she was feeling herself, so right now the feeling was only intensified. Her hooves pattered against the marble surface, each step another clack of excitement, another twinge shooting through her body and acting as the perfect pre-pussy eating prolepsis.

Rainbow rushed forwards with eager strides, her heart pounding in her perked ears as she felt her mane bouncing atop her head, even the smallest sensations heightened in the wake of her incredible need for sex.

Her pegasus tracking device led her to the library, not an intrinsic indication of where another pony might be, but of where Twilight was. Twilight was always in the library.

When she reached the double doors, she burst them open with a light buck, walking in to discover... nothing. The library was completely and utterly empty, and it didn't look like anyone had been in here all day. Rainbow panicked, her breath quickening as she envisioned the possibility that Twilight wasn't here, that she'd been called away on princess duties.

"But... but that would mean..." Rainbow shook her head, she didn't want to even entertain the thought. She felt her tail curling around her barrel as she let loose a light whimper, her eyes downcast as her ears flattened. "Th-that would mean that I don't get to fuck her..."

Rainbow stifled a sob, giving her head a vivacious shake. "Get it together, Rainbow. You're acting like a silly schoolfilly. Sheee could still be in her bedroom, go check there!" At once, Rainbow spun around on her hooves, facing the open doors. "Oh, fuck, I hope she's in her bedroom."

Rainbow knew that if Twilight wasn't there, she could always seek out Starlight, but it seemed more like a consolation than anything else. Not to say that Rainbow didn't find her hot, Starlight was absolutely smoking, and she'd definitely fuck her later if she could, but Twilight was the one she'd been fixated on all day, it was only fair that she was the first one to give her what she wanted so fucking badly.

And that feeling definitely hadn't diminished. As she neared Twilight's bedroom, climbing the stairs, she heard a yawn from above, some indication that Twilight was there. Her heart leapt, and she redoubled her speed, not giving any consideration as to what the heck she'd say or do when she got there, her only fixation on seeing Twilight's beautiful face and supple body—she'd wing it from there.

She opened the door, again not bothering to knock, and found Twilight sitting over a desk inside, pouring over some research materials or something that wasn't of consequence to her one-tracked mind. Twilight turned, a small measure of surprise on her face as she realised she had a visitor. "Oh hey, Rainbow Dash. What's up?"

Rainbow could feel her eyes lidding already, just looking at her was enough to stoke the flames of a new blaze inside of her. "H-hey, Twi!" She giggled slightly, running a hoof through her mane. "How's it going today?"

"Not so bad," Twilight smiled, pointing back to the materials on her desk. "I'm trying to compile a report for the princess, friendship demographics in Equestrian cities—" a playful grin, which only teased Rainbow further, "—you probably wouldn't be interested."

"Oh! That's, uhh..." Damn it damn it damn it what did she say? Rainbow was so busy staring at her soft coat that she'd barely paid any attention, so she went for the most generic answer possible. "That sounds great!" She nodded, bouncing from one hoof to the other as she tried to keep a lid on her growing desire to pounce on her best friend.

"...are you alright, Rainbow Dash?"

Okay, she managed to hear that one, thank fuck. "F-fine!" Rainbow said, her tail flicking from side to side as she struggled and failed to drag her eyes up from Twilight's flank and look her in the eye. "Never better! Why would you think that I wasn't fine?!"

"Are you sure something isn't the matter?" Twilight's eyes narrowed, and Rainbow might have felt trapped if she wasn't so busy trying to contain herself. "You're acting quite antsy right now, you know. Don't beat around the bush, Rainbow, I'm happy to listen if there's something on your mind."

"Wanna beat around your bush..."

"What was that?" Twilight asked, her ears twitching as her cheeks seemed to rose up.

Oh, screw it. Might as well be frank with her, Twilight valued honesty almost as much as Applejack. "Look, Twilight, I'm like, stupidly horny right now. Like, to the point that I wanna fuck your brains out right now, and you're not even doing anything sexy, o-other than being your sexy self."

If she wasn't before, Twilight was definitely flushed now. "Oh!" she seemed to half-shout on instinct, confusion, embarrassment and perhaps a hint of excitement all rolled into one. "Are you in your heat cycle early, by any chance?"

"I doubt it, it's barely spring!" Rainbow replied, feeling slightly more self-conscious by the second. "Besides... this is much worse than when I'm in heat. When I'm in heat, I can still think clearly. Right now, I just wanna fuck everything and everyone, but especially you—" gasping, Rainbow threw a hoof over her mouth, almost shoving it inside.

Twilight's eyes widened, but they almost seemed as if they shone with happiness all the same, a smile in their depths the same expression of joy as the curvature of her lips. "...do you really find me that attractive?"

"Y-yea—I might," Rainbow squeaked, her snout twitching as she scuffed a hoof against the floor. "Twilight, can you help me out somehow? I-I know that's a really awkward thing to ask, but I really don't know what else to do..."

"Well..." Twilight stood, walking closer to Rainbow, so close that Rainbow could almost smell the lavender scent of her coat. "I've heard that exercise can be a really good way to deal with excess hormones, but I suspect the last thing you need is more exercise... Have you been, y'know?" She made an obscure motion with her hooves, but it was pretty clear what she meant.

"Five times yesterday," Rainbow nodded guilty, shrinking under Twilight's gaze. "I came like twelve times..."

"Twelve?" Twilight gasped, her eyes like saucers. "I... I don't think I've ever came more than three times in a day... that's incredible..." Twilight slowly licked her lips before snapping back to focus. "And that didn't help at all?"

"I think it only made it worse... I need to fuck, Twi."

Twilight moved a little closer to her, to the point that they were almost brushing against each other. It was slow, trepidatious, but it was Twilight making the advances, and that only made it even hotter. "And... you want my help with that?"

Rainbow only managed a short nod, unable to look Twilight in the eye as her tail began to lift, almost by instinct. Twilight dipped her head, softly inhaling as she ran her muzzle over Rainbow's coat, leaving a soft nip against her withers before drawing up to look at her. "Are you sure you want to do this?"

"Twilight, I'm fucking begging. Please get me off, please..." Her body begged just as much, reaching up and brushing against Twilight as Rainbow reciprocated, soft teeth grazing against Twilight's ear as she slowly nibbled on the skin, moving down and down to her cheek, peppering her with small kisses before brushing against her muzzle, her eyes slowly fluttering shut as she stood in wait, hoping that Twilight would just give her what she wanted.

In a true fairytale fashion, the princess kissed the pegasus, electrodes dancing across their senses from the shared sensation as Rainbow raised from the seclusion of self-love, finding something better, something more... it was just what she needed, and with ravenous lips she pushed back, parting Twilight's and making contact with her tongue as the two melted into one another, their snouts rubbing together as they slowly twisted their muzzles, a soft whimper escaping Rainbow as Twilight took control.

Rainbow and Twilight parted with a rough pant, and Rainbow quickly found herself being pulled towards the bed and laid down, her wings splaying as she smushed her back into the soft mattress and got comfy, Twilight climbing atop her and softly making out with her once more, Rainbow reaching up to play with her fluffy wings as the tips drooped down and pressed against hers.

The contact was just as amazing as she had imagined, and Twilight was an excellent kisser. Eventually, she left Rainbow's lips behind, but the complaint she was about to voice came out as a moan as Twilight kissed and nipped at her chest, leaving soft impressions against her flesh as she nibbled her way lower, running her tongue over her belly and rubbing around her thighs as Rainbow twitched and shook in place.

"D-don't tease me," Rainbow complained as she tried to push Twilight's head lower, meeting little resistance as she gave her what she wanted, leaving a lashing, luscious lick against her pussy, puckered lips meeting puffy ones as she began to French her folds. The pleasure came in a sudden rush, causing Rainbow to swear out in satisfaction as Twilight kept on licking, pushing her tongue deeper and exploring every crevice of Rainbow's tight pussy.

Rainbow could feel Twilight's tongue snaking inside, and it was as if it was the perfect thing to fill her, the ideal satiation of her constant desire, and she could only nod in frantic approval, her head bobbing as her tongue fell out, her hips bucking as she attempted to force Twilight's tongue deeper inside, to get what she so badly needed from her.

Twilight was a fucking tease, switching her rhythm up every time Rainbow settled into it, every time she acclimated to the ministrations of her soft, wet tongue. Her slit burned with intense heat as Twilight finally flicked against her nub, drawing her tongue up and giving it a small taste.

Rainbow couldn't let her do all of the work. Without warning, she hoisted Twilight up and flipped her around, Planting her over her face and beginning to mirror her motions. Twilight wasn't taken out of the equation for long, even when Rainbow began to nibble at her clit, her juices streaming down onto Rainbow's chin as she started to tongue fuck her, Twilight doing the same as they both began to work each other harder, pushing their tongues deeper and moaning into each other's pussies, their only thoughts on the mutual orgasm they were determined to experience.

"H-hey, Rainbow," Twilight said between pants, lifting her head. "Do you like these long licks?" and she demonstrated with torture, planting her tongue at the base of Rainbow's vulva and incrementally dragging her way up, finally paying her aching clit a little attention before sliding her way back down. "Or do you like these fast ones?" She started to lap at her like she was the sweetest ammonia known to ponykind, and Rainbow trembled from the feeling, her pussy attempting to squeeze around Twilight's tongue but failing each time if only because of how fervently she ate her.

"I-I'll show you fast..." Rainbow dove in, nuzzling Twilight's folds with her muzzle before snaking her tongue inside her pussy, pushing in as deep as she could and wriggling with determination as she rubbed against her cutie marks, desperate to make her cum all over her face, to taste everything she had and swallow it like a good little whore.

Twilight had the advantage of being on top, and she started to incorporate a single hoof, at first rubbing against Rainbow's belly but then making errant little swipes at her clit as she continued to lick her. It had become a race now,a dn Rainbow was losing as Twilight drew her closer and closer to release.

In a last ditch effort to emerge on top, Rainbow grabbed Twilight around the flanks and pushed down hard, bouncing her plump, squeezable ass as she brought her pussy down and outstretched her tongue, hitting all of her sensitive spots as Twilight cried out, clamping her teeth over Rainbow's nub in an effort to contain her screams. Evilly, she began to lick at her clit from inside her mouth as she held it in place, and the feeling send Rainbow over the edge, her pussy shooting thick layers of her juices aall over the bedroom floor, some landing on the sheets as the resistance inside of her burst in the face of pure, unbridled satisfaction.

Her longing gave way to Twilight's as she came in succession, not squirting but dribbling a hefty portion of her cum into Rainbow's mouth and down onto her chin as it became too much for her to swallow in one gulp, Twilight pushing back and rubbing her pussy against Rainbow's parted lips as she rode out her orgasm, Rainbow poking her tongue out and giving her senses that last bit of stimulation that they were clearly so desperate for.

All the while, Rainbow shot liquid without restraint, and Twilight seemed to notice, taking a hoof and rubbing circles around Rainbow as her orgasm died out, only causing Rainbow to clamp her muzzle around Twilight's thigh to contain a primal moan that might have shaken the entire castle if it had been let loose.

Eventually, when both mares were too sensitive to carry on and there was no more cum to be had, they laid back, completely spent. They looked at each other for a few moments, then started giggling.

"So, that do it for you?" Twilight asked, shaking a little of Rainbow's essence out of her mane.

"I..." Rainbow had to think about it for a moment. Even with her last orgasm dying away, that had been so fucking hot. She could remember every sensation as if it was still happening, and above anything, she wished it had never stopped.

She did wish that, didn't she? Fuck. "Nope, still horny." Rainbow let out a groan, smirking a little. "Think we could try again?"

"I've got all day if you do," Twilight winked, giving her a small peck on the muzzle.

At this rate, it looked like she was going to need all day if she was to have any chance of getting over this. Still, at least she got to enjoy the good company in the meantime. There were definitely worse afflictions to have.

Author's Note

On Tuesday, Rainbow Dash fucked Twilight four times...

But she was still horny after that...