The Naughty Royal Sisters

by The Abyss

Rating: mature
Tags: Sex, Princess Celestia, Slice of Life, My Little Pony: Friendship is Magic, Anthro, Romance, Princess Luna
Length: 7541

In the last meeting of the day, Celestia secretly teases Luna's privates in front of everybody. Luna can't help but squirm on her seat, enduring her sister's loving caresses with a sly grin. When their day ends, Luna drags Celestia to her bedroom.

In their last dreadfully boring meeting of the day, Celestia decides to liven things up by secretly teasing Luna's privates right in front of everybody in the throne room, taking pleasure in the way her sister reacts. Luna can't help but squirm on her seat, enduring her sister's loving caresses with a sly grin as they grow more and more powerful with each passing minute. When their day finally ends, Luna drags Celestia to her bedroom for a night of naughty lovemaking, more than desperate for release.

Contains: Light BDSM, Princest, Spanking, Toys, and Two Loving Sisters in Sexy Lingerie.

Published 2016-11-03 00:30:02 UTC
Last updated 2017-03-04 22:26:44 UTC

Chapter 1

Celestia groaned as she lay on her stomach on Luna’s bed, playing with the tips of her mane. She was wearing a loose T-shirt with a hot pink balconette bra, her nipples poking through the fabric. Celestia only wore her favorite bra after showering in the evenings, for using such an expensive piece of lingerie for everyday use would make it wear out much too quickly. It wasn’t anything super fancy, but it had a tiny white heart pattern that she simply adored. The fabric was the softest that she’d ever felt, which was one of the reasons why her underwear drawer was made up entirely of the same brand. She had a few lacey bras for special occasions, but found that the lace sometimes made her feel like she had to scratch her breasts if the fabric rubbed her the wrong way. The bra she was wearing held her voluptuous breasts in just the right way, though; it provided just enough support without feeling like it had her breasts in a vice grip. Too tight would put too much strain on her back and leave imprints on her skin, and too loose would just make her look trashy, a look that she couldn’t bear to have, even in private. She wanted nothing more than to wear her lounging clothes to their meetings, but she and Luna had a reputation to uphold.

Both she and her sister were relaxing after a long day of dealing with the monotony of ruling a kingdom; if she had to do it by herself again, she knew she’d lose her mind. Thankfully, with the return of her sister a few years ago, the workload had relented, though it was still a lot. When they were able to solve a problem or get through yet another boring meeting, there was always another one to deal with.

She rolled over and sat up, standing on her knees. Celestia glanced down and giggled softly, seeing that her matching bikini panties were slightly exposed. It was nothing her sister hadn’t seen before, but nonetheless, she pulled her shorts back up, then flopped back down onto her belly. “Luna?” she asked, crossing her arms so she could lay her head on top of them. Her panties were wedged into her butt crack a bit, nestled against her pussy with just enough pressure to give her a little pleasure. She clamped her legs together and moved them back and forth as her body began to react to the stimulus.

Luna looked up from her position across the room, setting her book down in her lap. “Yes, sister?” She lifted an eyebrow as she saw Celestia biting her lip, staring at her with an odd sort of glint in her eye that was all too familiar.

“I know you are in the middle of your book, but...” Celestia sat up and crossed her legs as she fluffed her wings. “Mind if we chat for a bit? I must admit I am a little bored...” She let her eyes slip down, seeing the outline of Luna’s panties through her shorts. Judging by how the panties’ color showed through the short’s white and very thin fabric, Luna was wearing her favorite white boyshorts, made of nothing but the softest silk. She’d bought them for her on her first birthday back from her stay on the moon as a sign of her everlasting love. Even though they had cost as much as one person’s rent for an entire year, she knew in her heart that it was well worth it. Such a pair of panties existed only in one place: on her beautiful sister’s butt. The only person who had seen them on Luna was Celestia herself, for such a rare pair of panties should only be seen by the eyes of royalty.

“I... am in a very good part of the book, so... maybe in a bit?” Luna asked. She crossed her legs, then lit her horn. With her magic, she loosened her bra’s straps. Still feeling as if her bra was too tight, she snuck a glance at her sister, then leaned forward. Luna set her book aside, then pulled her shirt off. Lighting her horn again, she unclasped the bra and let it slide down her arms, revealing her slightly-smaller breasts.

Celestia smirked at her sister as her ears flicked up. She kept silent as she watched her stretch, her exposed breasts squished between her two arms. The cold air in the room made her nipples poke out in the cutest of ways. She saw her sister sneak another glance at her, so she asked, “Trying to compare breast sizes, dearest sister? We both know mine are bigger...”

“Heh, you still believe that?” Luna shot back at her sister with a small grin. She uncrossed her legs and picked up her shirt, but felt a force preventing her from putting it back on. Luna looked back at Celestia and saw that her horn was lit up, so she placed her hands in her lap. She smirked as she saw Celestia remove her own T-shirt as she walked over to her couch. Celestia sat down beside her, then turned to face her. She couldn’t help but look down to admire Celestia’s breasts. The slightly-sheer fabric that held her glorious white breasts let her coat color show through the bra, hiding her nipples with a small circle of fabric in each cup. Luna rubbed her shoulders after she pushed her shirt aside, her eyes still locked on her sister’s breasts. “I think I need to go buy some new bras, sister. The ones I have are getting so worn out that I feel like they’re doing little to support me. My back has been feeling sore for the past couple of days, so I fear that I may have to skip tomorrow morning’s meetings to go shopping.”

Celestia’s eyes lit up at that. “Why do we not go together? Instead of delaying the inevitable, why do we not go on the weekend? Besides, you know how much I love seeing you try on sexy lingerie...”

“I suppose that can work...” Luna said, scootching up against Celestia’s side.

Celestia laid an arm around her sister’s shoulders. “Wow... you feel pretty tense... Want to talk about it?” She lit her horn again and loosened her bra’s straps; her position was making them dig into her shoulders.

Luna scratched the side of her right breast. “Well, it’s just these meetings, you know? We don’t do anything but rule, and sometimes, I just want to scream in the middle of a tax law negotiation. Those are just so stressful; it is like pushing rusty nails into my brain...”

“Hm... well, I do not think screaming in a meeting would be a good idea,” Celestia said with a chuckle. She ran her hand through her sister’s hair, then lightly scratched the base of her neck. “How about we take the weekends off from now on? That would give us time to recuperate and relax with... each other...” She leaned in and planted a kiss on Luna’s cheek. After sitting back, she stood up and walked around the back of the couch, then leaned down. Unclasping her bra with her hands, she slid it down her arms and tossed it on the couch. With a sigh of content from freeing her breasts, Celestia let them settle on either side of Luna’s head, her nipples just barely reaching out past her cheeks. She slid her hands underneath her breasts and wrapped her nimble fingers around her sister’s shoulders, kneading them with her many years of experience.

“Spend the weekends just like this?” Luna let out a deep sigh and smiled, nuzzling Celestia’s breasts as she became putty in her hands. “Gods above, sis, you sure know how to make a girl feel loved...” She brought her legs up against her breasts and held them with her arms, making her shorts and panties feel tighter around her crotch. Luna felt a little bit of arousal slip from her folds, making her panties grow warm and wet. She paid that no mind, in fact, she greatly enjoyed the feeling. “I would have no problem making a royal decree saying we have weekends off.”

“Neither would I, Luna...” Celestia nuzzled the top of Luna’s head, then laid the lightest of kisses on her horn.

“You know, 'tis a pity that we do not get to do anything fun...” Luna sighed again, leaning back into Celestia’s breasts. “It has been quite a while since somebody has been courageous enough to ask me out...”

“Why bother with dating when you have me?” Celestia paused for a moment, then resumed her ministrations. “Besides, if you were to ask somebody out on a date, they would be a complete and total moron to say no. I truly envy your petite breasts...” she finished with a slight chuckle.

“Hey, you know they’re not petite!” Luna shot back with a grin.

“I know, I know... I was only teasing you,” Celestia dug into Luna’s shoulders with a renewed vigor, wanting nothing more than to purge her sister’s stress from her body. “If you want, I can help take your mind off of wanting to find someone to love... You have one right behind you, more willing than anybody in Equestria.”

Luna laid her head on Celestia’s left arm, then laid her hand on it. “I thank you for the offer of release, sister, but I am much too tired right now. I was actually considering going to bed after this chapter.”

“Oh...” Celestia pouted, her eyebrows furrowing as she tried to figure out how to get in Luna’s bed with her. “Well, would you want to snuggle instead? I know you tend to sleep better when you have me by your side.”

Luna smiled up at her. “I would like that,” she said. She set her book aside and stood up. “I can always finish reading that chapter later,” she said, noticing that Celestia was eyeing her book. “Besides, you know I would never turn down an offer to snuggle, especially with you.” She reached for her shirt and bra, but saw her sister shake her head. With a sly smile, she turned and walked back to the bed, climbing up on it as she stood on her hands and knees. Her breasts swayed from side to side with each step she took until she felt Celestia’s hand surround the back of her shorts. She paused and looked back, and as she saw the lusty glint in her sister’s eyes, she relented and spread her legs a little.

Celestia grinned as she pulled down Luna’s shorts, revealing her panties underneath. Just like she’d guessed, she was wearing the silky white boyshorts she’d bought her. She leaned in and spread Luna’s labia with her nose through her panties, her smile deepening when she felt a little wetness on the tip of her nose as she pulled away. “You sure you do not wish for a quickie?” she asked, sitting back on folded legs. “You know how fast I can make you squirt... And I promise you will sleep much better, too...”

Luna yawned, then grinned up at her sister as she lay down on her side. “Maybe tomorrow morning if we have time, sister.” She curled up into the fetal position, revealing the crotch of her panties to her sister.

“But... you’re wet,” Celestia said, pointing at her wet crotch. She ran the tip of her finger over Luna’s panties, stopping on the small patch of wetness. Celestia pushed in a bit, then drew tiny shapes on her panties.

“That is just from your wonderful massage...” Luna said as she started to squirm, bucking her hips into her sister’s finger a few times. “You know how I get after you do that to me.” She lit her horn and pulled her panties from her legs, then used her feet to fling them into her sister’s face.

“Oh, very well, then,” Celestia said in defeat. She lay down next to her sister and used her magic to pull off her own shorts. Snuggling closer, she wrapped an arm around her sister, just under her breasts, and pulled her close. A few moments passed in silence before she asked, “Do you not desire my body, Luna?”

“Huh?” Luna lifted her head from the pillow and rolled over. “No, it is not like that at all! I really was telling the truth when I said I was tired...” She let her eyes drift shut as she let her lips find Celestia’s. Her tongue slid out of her mouth, teasing the tip of Celestia’s lips for a few brief moments. “You are more than a sister, and a lover, could ever ask for...” She tucked her head just under Celestia’s and let her chin rest against her sister’s warm breasts. Luna made sure that her horn was out of the way, then teasingly rubbed her nipples against Celestia’s. She nearly giggled as she felt her own stiffen against her sister’s, but a yawn forced its way past her lips instead. Luna felt Celestia’s wing drape down over her back, and as she felt herself start to drift off to sleep, she threaded her right leg through her sister’s and tucked her feet under the covers. Celestia’s wondrously warm and soft wing was more than enough to keep her from wanting to use the covers, so with a content sigh, she felt herself start to drift off to sleep.

Then Celestia started snoring.

Chapter 2

A few days later...

“But if you lower taxes, businesses could grow and hire more workers, which would in turn provide more tax revenue for the crown!” a brown pegasus argued as he sat before Celestia and Luna. He was the sixteenth to make such a claim today, and Celestia was starting to see the possibilities of what they had all said. “I’ve come here every single year with the same request, and I can’t help but feel as if the needs of my business, and many others across the land, are being ignored!” he finished with a single stomp of his foot on the marble floor. “There is a lot of potential for growth!”

“I see...” Celestia tapped her fingers on the table as she crossed her right leg over her left. “What are your thoughts on this, sister? He did make a good point, after all.”

“I did?” the stallion asked as his eyes widened.

Luna looked at her sister and sat up. “I suppose we could do a trial run for a year or two and see how things pan out. If what he says is true, then we could potentially start looking at other ways to improve our cities and infrastructure with a new influx of tax money. On top of that, I believe that...” She blushed as she felt Celestia’s magic tease the bottom of her right foot, tickling her right in the middle of it through her shoe. Luna clamped her legs together as she felt her labia swell up, pushing against the confines of her tight panties. She shot a sly look at Celestia, hidden from the stallion before them with her hair. The tickling feeling on the bottom of her foot intensified, then appeared on her other foot as well. Celestia’s magic traveled up her thighs, almost reaching her panties, but stopped a few inches short, teasing her upper inner thighs with a short, light strokes. Luna squirmed in her seat as she felt her panties become wet with arousal. Her tight silk thong did very little to stem the steady trickle of her wetness seeping from between her folds. “You’re going to make me leave a wet patch on my dress, sister!” she hissed with a smile, speaking so softly that only Celestia could hear her.

“Very well,” Celestia whispered back. Her horn’s light grew in intensity for a moment as the ticklish tendrils grew twice as powerful.

Luna’s eyes went wide as she bit back a giggle. She felt her sister’s magic weave in and out of her toes, and no matter what she did to try and escape, the magic stayed locked in place. She knew that Celestia was either manually keeping the magic in place as she squirmed about, a feat only a very experienced magic user could pull off, or she was using a spell on top of the tickling tendrils that just stayed locked in place. Knowing Celestia, she would most likely be using the former option, but that knowledge did little to help her predicament. She felt a few beads of sweat form on her brow as Celestia’s magic slid all the way up her legs, a single tendril sliding across her thong as her sister’s magic gently pulled her legs apart. Another tendril, acting almost like a tentacle, pulled her panties aside to reveal her clitoris. Luna felt a shiver run down her back as a draft of cool air brushed against her exposed pussy. She tried to clamp her legs shut again, but Celestia’s magic prevented her from doing so. Her wings bristled in nervous excitement, for she knew that she was going to be touched by her ever loving sister in her most sensitive of places, right in front of a commoner and all the guards in the room.

A single bead of arousal dripped from her folds as her sister’s magic slipped inside her panties, letting them fall back into place as best they could. She felt the front part of her thong slip in between her labia, a possible occurrence from wearing a thong if not properly adjusted. Celestia’s magical tendrils spun in slow circles on and around her clitoris. She so desperately wanted to clench her legs shut to hopefully tone down the sensations taking place in her panties, but her sister’s magic was much too strong for her to counter, especially in the state she was in.

“Um... Princess? Is everything okay?” the stallion asked, eyeing Princess Luna.

Celestia’s horn dimmed after several more seconds, letting Luna regain her composure. Looking back at the stallion, she said, “My sister and I will discuss what you have brought before us, but now, we start our first weekend off! She has just had a long week, and I think that these daily meetings might be taking a toll on her health.” With that being said, she clapped her hands together. The stallion bowed to the both of them, then turned and walked from the room, leaving them alone with the guards. “Shall we go freshen up for the night’s activities? I have something special in mind for you...”

“Good, because I have not been able to achieve release for a week now!” Luna said as she stood up. She smoothed her dress down from her belly to her legs, checking for any damp spots. Thankfully, there were none on the front, so she checked the back with her right hand, and sure enough, there was a little spot the size of a couple bits right where she’d been sitting. “I am glad that we are done with these meetings, for if you had done that an hour or two earlier, you probably would have made me cream my panties!” she said, feeling a blush tint her cheeks a light rose. “I definitely need a shower and a fresh pair of undies...”

Celestia smirked at that. “Let us go, then. Why needlessly waste time standing around when we could be doing naughtier things?” she asked, moving to stand behind her sister. After the guards left them, she flipped the bottom of Luna’s short dress up over her butt and slid a finger inside the back of her panties as if she was checking a baby’s diaper. “Wow, Luna... You are simply soaked! Did my tickling really make you get this wet?”

“...Maybe,” Luna admitted, her blush deepening as she felt her sister’s hand cup her warm pussy. Many moments passed in silence as Celestia simply held her there, and before she knew it, she felt a single drop of arousal slip from her folds to land in her sister’s hand. She heard Celestia hum in satisfaction a second before she used the palm of her hand to smear it in, wiping her wetness all around her softly-throbbing pussy. Celestia’s fingers spread her lips, making her nearly melt in the throne room. She leaned against her sister, letting her head rest between Celestia’s breasts. When she felt a sole finger slide into her tight entrance, Luna couldn’t help but let out a soft moan as she clenched down upon the squirming digit. A moment later, she lit her horn and teleported the both of them into her bedroom, placed a sound dampening spell on her room, then stepped forward, letting Celestia’s finger slide out of her pussy. She felt rather empty. Half of her wanted to just forget about the shower, but the other half of her knew she’d feel much more refreshed.

“You want to take a shower first, or can I?” Celestia asked as she used her magic to slip her shoes off. She kicked them over towards the door and sat down on Luna’s bed. When Luna looked back at her, she lifted her hand that glistened with her sister’s arousal up to her nose before she took in a deep whiff. She let out her breath as a happy sigh, a smile making its way onto her face. As Luna watched with wide eyes and trembling legs, she locked her eyes with hers and spread her fingers apart, taking much pleasure in how Luna’s wetness tried its best to stick together, forming a few small bridges before they snapped a few moments later. Before Luna could open her mouth to speak, Celestia slid each finger inside of her mouth, one by one, as she licked them all clean. She finished the last one with the softest of moans.

Luna felt as if her legs were made of jelly at this point. She felt her panties grow wetter, for she had never before seen Celestia do such a naughty act, especially with her juices. “W-Well, since this is my room, I was thinking I could take a shower first.” Luna strode towards her bathroom and slid the dress from her body. She used a quick spell to get rid of the stain on the dress, then tossed it onto a nearby chair. Now standing in only her bra and panties, Luna looked at herself in the mirror. Her thong was soaked, and as she watched, a thin trail of her arousal slipped down her leg, glistening in the soft light from the setting sun. Her shoulders ached tremendously from wearing her push-up bra all day. Though she wasn’t required to wear fancier underwear, sometimes she did so to liven up her day, to make a dreadfully boring day into something more tolerable. The knowledge that she was wearing lingerie to work that commoners would only wear on very special occasions with their special someone always sent a pleasurable tingle up her back every time she thought of it. Her bra matched her thong; both were a very soft pink, almost white. Her bra was pretty soft, but the cups were most rigid, keeping her breasts locked tight and kept in place. The added material in the bottom of the cups kept her breasts pushed together, sometimes uncomfortably so, but she would never deny that they had a nice effect on those in their meetings. She sometimes thought that maybe her breasts would distract the stallions, making them forget what they were talking about in the hopes that they would leave faster. Besides, if visitors got caught ogling at her breasts by the guards, they’d be kicked out, another perk of wearing a push-up bra.

The biggest reason that Luna liked to wear her push-up bras during those dreadful meetings, though while they were uncomfortable, she knew that Celestia couldn’t help but sneak looks at her breasts every once in a while. That knowledge always made her feel wanted, desired even, by the one she cared most for in this world.

Luna undid the clasps from around her back and pulled the bra off of her with a great sigh of relief. Now that her breasts were free from their cage, she slipped her left thumb inside one of the shoulder straps and pulled the other part back like a makeshift slingshot, then shot it at Celestia. Her bra landed right on her face, one of the shoulder straps looping around her horn. Celestia went cross-eyed as she stared at the bra, a smile breaking out on her face as Luna started giggling. “So you want to wait here, or just go to your own room to take a shower?”

“I think I will take a shower back in my room,” Celestia said with the slyest of looks before she teleported away.

With a shrug, Luna turned back and used her magic to turn on the shower. She moved to stand in front of the floor-to-ceiling mirror, then turned around. Hooking her thumbs in her panties, she glanced over her shoulder as she spread her legs. As she pulled her thong down, she noticed a thick bridge of her arousal form between her labia and the crotch of the panties, making her blush madly. Once she stepped inside the shower stall, she let the warm water cascade down her back before she cupped a hand over her pussy, just like her sister had done just a couple of minutes earlier. The water from the shower head pooled in her hand before it started spilling over, taking away her wetness from before. She sighed happily as she leaned against the wall of the shower, taking pleasure from just the sensation of the water running over her lower lips. Feeling rather pent-up, Luna sunk a finger into her folds, first one knuckle, then two. She twirled her finger around inside of her pussy, already feeling more of her wetness slide down her finger, onto her hand, only to be washed away by the water. Tis a pity... I am sure ‘Tia would have loved to drink my nectar. Better save some for later, I suppose... With a wistful smile, she withdrew her finger and finished washing up.

She strode out of the shower, naked as can be. Luna made her way over towards her closet across the room, then found her favorite lounging bra. It was light orange, and was of a racerback design. It had absolutely no wires that would poke her in places she’d rather not be poked in, and it was made of the softest cotton that she’d ever felt. She pulled it over her head and slipped her breasts into the cups, making sure to pinch each nipple a few times for good measure. If she was to play with Celestia that night, she wanted to make sure that her nipples were pushing through the light fabric for her sister’s viewing pleasure. She pulled a white T-shirt that was a couple of sizes too big for her over her head, then found her old favorite pair of bikini panties pushed all the way back in her underwear drawer.

“Oh my gosh, I’ve been looking for these forever!” Luna said as she hugged them to her chest. She jumped up and down in glee, her breasts swaying with each jump. Her bra offered very little support for such an act, but since she knew that Celestia would be taking them off of her in a little while, it didn’t really matter all that much. Her old favorite pair of panties matched her racerback bra, except for the little red hearts that lay in a typical standard pattern all across it. Glad that it was made of the same soft fabric as her bra, Luna slid them up her legs and admired her toned body in the mirror. She squeezed her breasts with her hands, pushing them out as if she was wearing a push-up bra, then let them flex back into their normal resting place.

Wondering when Celestia was going to get back, Luna snagged the same shorts that she’d worn around her sister a few nights ago and pulled them up her legs, then lay down on the bed. She grabbed her book, then as she opened it to hopefully read a few pages, Celestia reappeared in her room with a soft pop. She was wearing a black T-shirt, and just like hers, it was a couple sizes too big. Luna noticed that she wasn’t wearing a bra underneath, probably due to the fact that they weren’t going to be needing them in a little bit anyways. Her eyes slid down her sister’s toned body and past her navel, grinning when she saw nothing but a neat little pair of light blue cotton bikini panties on her cute butt. They had a single image of her cutie mark centered right where her clitoris was, and below that lay a damp spot right where her pussy’s entrance was.

Celestia sat down beside Luna and pulled her feet into her lap. With a quick spell, Luna’s shorts disappeared, then reappeared on the floor near the door. She gazed at her sister’s panties, somewhat gladdened by the fact that she wasn’t wearing an expensive piece that far outclassed what she was wearing. She ran the tips of her fingers along the bottom of Luna’s feet, then lit her horn as she wrapped a pair of magical tendrils around her ankles, keeping her locked in place with no chance of escape. A sly smile slid on her face as her light ministrations made Luna start to squirm. Her eyes once again slid down to her panties and saw a single drop of her wetness stain the fabric, and as she kept up her tickles, that stain grew larger and larger until it reached the panties’ leg holes. Her smile turned into a smirk as she realized that her sister was actually being turned on by getting tickled, a fact that she would most definitely have to remember for future meetings. “So... getting a little aroused by my tickling, hm?” she asked softly.

“N-No! It is just...” Luna said with a giggle. “I’m just a little ticklish!” She lifted her head from the pillow and gazed into her sister’s eyes for a brief moment, her shoulders relaxing when she saw her knowing smirk. “Okay, fine... M-Maybe a little?”

“Judging by how wet your fresh pair of undies are, I would say a lot more than just a little, Luna,” Celestia lightly scolded. She poured more power into the spell, and received more giggling as a pleasing result. Celestia lifted Luna’s foot up to her mouth, then kissed the bottom of it, right where her magic was most focused. She poked her tongue out of her mouth and drew tiny circles on it, right where she’d kissed it, making Luna squirm and giggle louder.

“P-Please, Celestia... S-S-Stop!” Luna begged, doing her hardest to pull her feet free. She couldn’t stop laughing, and tears started forming in the corners of her eyes.

“Oh... very well, then,” Celestia let her magic fade away into nothingness, letting Luna pull her legs from her grasp.

Luna smiled at her big sister as she rubbed the bottom of her feet. “So what did you have in mind for tonight? Maybe a little domination? I can be the sub tonight if you wish to be my mistress...” she said, blushing madly as she mindlessly played with her toes.

“Very well.” Celestia’s smile deepened as she beckoned her close with a finger. “As my first order of the night, I would love to feel your lips around my nipples. After all, a good sub always pays attention to the needs of their mistress.”

Luna shot a sly grin up at her sister as she got up on her hands and knees, crawling over to sit in front of her sister. As she reached up to grab the hem of Celestia’s shirt, she felt a sting upon the back of her hands. She glanced up and saw that she was shaking her head, so after a moment’s thought, she simply shrugged and slid her head up her shirt. Even though it was rather loose on her sister’s body, it still was tight enough to keep her head held close against her skin. Luna lifted a hand up, softly tracing zig-zag lines across Celestia’s belly as she wrapped her lips around her left nipple. As she gently nibbled on her nipple, her fingers found her right nipple and started pinching it. She alternated pinching and sucking on each nipple every twenty seconds or so, and after a couple of minutes, she let a hand drift down to Celestia’s panties. Her fingers were just able to slip past them top of them before she felt another stinging slap on her arm. She slid out from under her sister’s shirt and lifted an eyebrow as she peered up at her.

“I did not ask for you to touch me, sub!” Celestia said as she stood up on Luna’s bed. “Nor did I say that you could use your hands... I think you need to be punished for your insolence!” She grabbed Luna by the shoulder and pushed her back, making her lay on the bed. “So here is what I have planned for us tonight...” She sat down next to Luna, breaking character as she propped herself up on some pillows. “But first, I do think we should be more properly attired.” With a quick flash of light from her horn, she made Luna’s shirt, bra, and panties all disappear, then with another spell, she bound Luna’s hands behind her with a bit of magical rope that tightened the more its captive struggled. “Much better!” She lifted her sister up with her magic, flipping her over and gently positioning her in the classic doggy-style position. Celestia took a moment to admire her sister’s plump pussy. Her labia were puffed up, and she was already leaking a near-steady stream of arousal down between her lips and onto the sheets below. “Listen closely...”

Chapter 3

With her hands securely bound behind her, Luna felt Celestia’s magic brush against her side once more, keeping her legs spread apart. As she watched on with bated breath, Celestia watched as a few droplets of arousal slipped from her folds. “Now, you are not allowed to use magic unless I ask you to. If I see your horn light up, I will make it so that you would not dare to defy me again. Is that understood?”

“Yes, mistress,” Luna panted softly.

“Perfect. I am going to go slip into something more suitable for tonight’s events, though I am not going to leave you here without giving you something to do.” Lighting her horn, Celestia grinned as she grabbed Luna’s vibrator from her nightstand. She placed its tip right up against her clitoris, then used another spell to duplicate the toy twice. “We are going to do this the old school way...” Celestia said, making three short strips of duct tape appear out of thin air. She taped the other two vibrators onto the bottom of Luna’s feet, then turned them on low with her fingers as she secured the last vibrator on her sister’s pussy. With a quick spell, Celestia put that vibrator on its third fastest setting, making her sister tense up and moan into the pillow. “Perfect! I shall be back soon. Be a good sub and have as many orgasms as you want. If I do not see these sheets soaked by the time I get back, I promise that you will not get to cum for the whole night.”

Once Celestia had teleported away, Luna let loose a throaty moan, long and loud. Part of her felt a little naughty, knowing that the guards outside could hear her, and that same part of her wondered if they were fighting to control their cocks from peeking out from between their legs. She pushed herself forward, the tips of her nipples brushing against the sheets, making a shiver run down her back.

She let a sly grin appear on her face, for she was going to turn the tables on her sister.

Luna bucked her hips back and forth, but found that she was unable to get any sort of additional stimulation. With a roll of her eyes, she rolled over onto her back just in time to see Celestia teleporting back into the room, wearing a full set of black lingerie, complete with a set of high-heels.

“Now, my cute little sub...” Celestia stalked forward, her eyes locked on her prey. She turned the vibrator on Luna’s pussy up a couple of notches, then sat down on top of her sister’s face. “Do you like my crotchless panties? I bought them for exactly this kind of situation...” she murmured, running a couple of fingers through Luna’s hair.

Luna nodded, her lips less than an inch from her sister’s softly-throbbing pussy. Celestia’s panties were the definition of perfection, for two small strings ran on either side of her engorged labia, making them just a little bit more puffier than usual. Luna felt heat radiating from her sister’s pussy, and as she stared at it, her gaze locked on her cute little love button of a clitoris, a single drop of her sister’s sweet arousal slipped from her opening and landed right between her lips.

“Now... eat...” Celestia whispered in a commanding tone as she ran the tips of her fingers across her sister’s face, spreading her legs further apart. As soon as her folds brushed against Luna’s lips, she felt her tongue slither right inside of her, sending a small tremble up her back. Her breasts threatened to slip from her shelf bra as she leaned over, forcing herself to keep herself in place as she felt her clitoris brush against her sister’s nose over and over again.

Luna absolutely loved the taste of her sister’s juices, and part of her wanted to be given such a blessing every single day. Although, if they got careless about such a thing, then all of Equestria would most likely know by next week.

Luna felt her pussy leak more of her juices at that thought.

She pulled her tongue out of Celestia’s now sopping wet pussy, noticing that her bonds felt a little looser. With her heart racing in her chest, she smirked and wrapped her lips around Celestia’s clitoris, praying for a lapse in her sister’s magical grasp on her that she could switch the roles around and have a little fun. When Celestia let loose a soft moan, Luna felt her sister’s magical strength wavering, as if she was getting close to squirting all over her face.

With one final lick along Celestia’s pussy, Luna opened her wings and pushed herself up, knocking Celestia onto her back. She lit her horn and took advantage of her lapse in concentration, then secured Celestia’s hands behind her back with a spell even more complex than the one Celestia had used on her, just as an extra precaution.

Celestia let out a soft squeak as her eyes went wide, watching her sister as she stood up, ripping the vibrators from her feet and pussy. She noticed a sly glint in her eye and came to the realization that she was no longer in control. “Now, Luna, I forbid you to-mmmph?!”

“Now, now, enough of that...” Luna whispered seductively. “I am the one in control now.” She lit her horn and pulled a riding crop out from under her bed. “Be a good girl and show me your cute slit.”

“Like this?” Celestia asked, rolling over with just a little bit of difficulty she pushed her ass into the air, still a little peeved that she had allowed Luna to take control like this.

“Perfect...” Luna purred as she whipped her sister’s butt with the riding crop, three hits on each cheek. She lowered the leather tip to her own pussy and coated it in her sweet nectar, then ran it through Celestia’s feathers until it was dry. “Since you’re now marked with my scent, I want you to moan like the slut you are, and when I am satisfied that you’re a bigger slut than I am, only then will I give you release. Oh, and by the way...” She reached around and unclasped her sister’s bra, letting it fall to the sheets. “There’s no need for that anymore,” she said, grabbing her sister’s breasts with her magic, kneading the soft tissue and teasing her rock-hard nipples with the slightest of touches from her magic. “On second thought... maybe I should give you a reason to moan for me...”

Luna tossed the riding crop aside and used her magic to pull out a thick pink double dildo from beneath her bed. She lubed it up with some lube she had in her nightstand, then while she held the dildo up in the air with a small spell, she worked a few fingers inside of her sister’s ass, spreading it apart so that she could squirt no small amount of lube inside. Once she was sure her sister’s rear entrance was properly lubed up, she did the same to herself, letting out a soft moan as she rubbed the dildo between her lower lips, ensuring that Celestia’s end was coated in her arousal.

She got on her hands and knees, then backed up until her butt bumped against her sister’s. “Now be a good slut and moan as loud as you possibly can as I make you feel fuller than ever before.” With that being said, Luna used her magic to gently work the double dildo inside the two of them, her eyes going wide as its tapered tip finally slipped inside of her. After using this toy at least a few times a week, she found that she was able to push herself all the way down to the middle of the toy with little hindrance. With her ass stuffed full, she clenched down and pushed back, making Celestia squeal out in pleasure as she bottomed out on the toy as well.

Luna smirked again as she wove her tail around her sister’s. Eyeing the many candles around her room, she used her magic to grab one, levitating it over her sister’s back. With another spell, she formed a life-like tongue that incessantly licked her sister’s clitoris, knowing that each lick would push her closer to her inevitable orgasm. As an afterthought, she did the same to herself, immediately feeling her nectar drip from her folds.

Slipping a few fingers inside of her wet slit, Luna fingered herself as she bounced back and forth on her favorite toy, Celestia’s moans sweet music to her ears. Her vision blurred as she felt her orgasm rise to the forefront of her core, and as she slipped over the edge, she felt the backs of her legs grow wet with her cum. With a sigh of content, she collapsed, the dildo slipping from her rear.

Celestia trembled, doing her best to hold onto the dildo with her butt’s muscles, though it was a losing battle. It slipped out of her, inch by painfully slow inch, before Luna’s magic pushed it back inside of her. She felt it speed up until it plateaued at a fast pace, fucking her in deep, long strokes. Celestia felt her orgasm grow, faster than ever before, when suddenly her sister’s magic faded away. “Ugh, s-sister!” She shot a glare over her shoulder.

“Oh, relax, I was simply teasing you!” Luna said with a giggle. She added more lube to the toy, then let it keep fucking her like before. She leaned in and lay down behind her, pulling her sister’s ass down until she could reach her wet pussy. Luna plunged her tongue into Celestia’s pussy as deep as she could possibly go, then moments later, she came.

Luna sat up, leaving her sister’s cum on her face. Not bothering to clean her lower regions, she used her magic to blow all of the candles out, then snuggled up beside her sister, wrapping her in her arms and wings. She pulled a couple of pillows over for them to share, but Luna discovered that Celestia was already out cold. “Heh... must have been one heck of an orgasm...”

As the morning’s light streamed in through her bedroom windows, Luna stirred awake, her sister still sleeping away in her arms. She folded her wings back to her side, then lit her horn, using her magic to rub Celestia’s clitoris in small, tight circles. Celestia stirred awake with a soft smile on her face which Luna quickly interrupted, stealing a tender kiss from her soft lips. “Ready for round two?’ she asked with a mischievous smile.