Celestia's Power Play

"Are you sure you wanna do this?" asked Twilight as she stood in front of her mentor. She watched as Celestia had began to strip out of her clothes to get ready for another night of run.

Celestia gave a cheeky grin, "Aw, are you nervous cause you know my cock will be bigger then yours?" Celestia had began to pull down her panties, showing off her ass to Twilight who gave her Princess a glare. Celestia hadn't put on her magic inhibitor yet as she wanted to use the Futanari Spell on herself.

"Be careful, Princess. I'll have to punish you for talking to your Mistress like that." scolded Twilight, hands on her hip as she stood in a purple latex corset with matching elbow gloves and knee-high boots. She had already cast the spell on herself, her aroused, eight inch cock standing upright and erect. It was hard to not get a hard-on as she watched someone as beautiful as Celestia do a strip tease in front of her.

"Oh, I'm so sorry, Mistress." Celestia's tone was anything but sorrowful, which Twilight planned to hold against her. Celestia cast the spell on herself as she boldly stood above Twilight with a smirk, "Well, what do you think, Twilight?"

"Is...that as big as it gets?"

Celestia's smirk left her face and curled up onto Twilight's face as the two Princesses compared their cocks. Celestia's couldn't have been more than four inches and it was clearly erect, where as Twilight's was a full five inches bigger and thicker. Celestia felt her face heat up, this was so embarrassing! She was so much older and taller than Twilight. It shouldn't have meant anything to do, and yet, seeing how she measured up to Twilight like this was just so humiliating.

"Aw come on, Princess. Don't be bashful." Twilight couldn't stop herself from snickering as she snaked around Celestia, her hands resting on her hips as she levitated her magic inhibitor. "It's only fitting that the Mistress has a bigger dick." Once the inhibitor was on Celestia's horn, she began to gently stroke her hard-on, getting a moan to escape her lips. Twilight slowly began to stroke her cock, Celestia panting as she eagerly thrusted iinto Twilight's hand.

"O-oh Gods, i-it's so amazing." Celestia couldn't have known that her new cock would be so sensitive. Every stroke felt amazing. Twilight's slow, teasing speed began to pick up the pace, causing a euphoric wail to erupt from Celestia's mouth as she begged, "P-please, m-more."

Twilight giggled, taking a moment to stop as she gently licked her lips clean of the pre-cum that was dripping from Celestia's cock, "Mmm, Princess. You taste so good." she told her, "Your cock is practically coated with your cum." Celestia was panting as Twilight glided her fingers up and down the shaft.

"T-Twilight!" moaned Celestia, her cock twitching and excited.

"Tsk, tsk, tsk." Twilight gave Celestia a slap on her thigh, which got a squeak from the Princess, "That's not how you address me."

"O-oh, I'm sorry, Mistress! Please forgive me!"

Twilight smirked, rubbing her thigh, "Bad, bad Princess." Celestia couldn't help but purr as Twilight rubbed her stinging thigh. "Forgetting your place, making demands. We can't have a disobedient pet. No, you must be punished. Princesses who disobey must be punished for their bad behavior." Celestia gave a yelp as she felt something tight constrict around her cock. It felt like a tight ring that wrapped around the base. "Now, sit down."

"Y-yes, Mistress." Celestia nodded submissively as she moved over to her bed and sat. Twilight started to levitate the 12 inch dildo from her bag. "On your back." Twilight commanded as Celestia lied on her back as instructed. Twilight gave the toy a special glow as it began to float over Celestia's mouth.

"..." Twilight took the crop and swatted it on Celestia's thigh, getting a yelp from the Alicorn. "It won't suck itself, Princess."

"I-I'm sorry, Mistress!" Celestia started kissing the toy's tip, her tongue beginning to lap at the head. The dildo seemed to move in response to Celestia's tongue, moving closer and closer before pushing itself into her mouth. The dildo thrusted in and out of Celestia's mouth as Celestia sucked and bobbed her head in rhythm. Celestia reached up her hand to try and stroke the toy with her hand, but she felt her hand freeze in place.

"Ah ah ah, Princess." smirked Twilight as cuff snapped onto Celestia's wrist and pulled her hand away from the cock. "No hands, mouth only." Instructed Twilight as another glow came around the toy. It started to thrust into her mouth faster, and deeper, going deeper and deeper until seven inches was being forced down Celestia's throat. Managing not to gag, Celestia continued to suck and take the cock with her mouth. Her tongue started to work the cock expertly as it shoved itself in and out of her head, stroking it like it was her own hand. That got the cock to twitch as it thrusted harder.

Celestia felt as though her mind was going numb. It was a toy. It tasted of rubber. And yet, it felt so real. It felt so arousing and naughty for Celestia, to be used like some harlot. She felt her cock grow harder and more aroused, a heat rising in her small futa dick as she eagerly humped the air, wanting to be touched and played with. Celestia's humping didn't stop Twilight from cuffing Celestia's ankle and forced aside. The same happened to her other leg and arm, leaving Celestia spread-eagle over her bed.

"It looks like you're nice and ready." giggled Twilight, removing the dildo from Celestia's mouth as she panted. Drool trialed down her chin and precum leaked from her cock. A moan escaped her lips as Twilight trailed her finger slowly up her dick and taking in a sample of her cum. With a seductive lick of her finger, Twilight smirked, "My my, aren't you excited." Twilight hovered over Celestia before lying next to the larger Alicorn. A hand groped one of her breasts, "You've been so needy, Celestia."

Twilight started to kiss Celestia's chin, getting a pleasurable shiver from the Princess. Twilight kissed and licked away Celestia's drool, taking in the taste of her sub. She pinched at Celestia's nipple as started to tug, getting a louder shriek from the Princess.

"Now you'll be punished for your lust." Twilight told Celestia, levitating the dildo down to Celestia's ass, rubbing it against her hole. With her legs spread apart, she was fully exposed to Twilight's toy. Twilight slowly rubbed the toy against the hole, teasingly pushing the toy's tip in. She gave a few twists, and pulled the toy out. She repeated this as Celestia moaned and whimpered, unable to greedily take the cock in as she took it.

The teasing didn't last long as Twilight started to push in the lubricated cock into Celestia's ass, her whimpering turning into roars of ecstasy. Twilight pumped the cock into Celestia's at a fast rate. She pushed the cock deeper and deeper inside her. She was already taking in ten inches as Celestia was moaning and panting lustfully.

"M-more! M-more, please!" howled Celestia as Twilight kept thrusting the dildo into her. The pressure in her ass was driving her crazy as she grew closer and closer to the edge. It felt like she needed more, just a little more to be pushed over, but she just couldn't. Not yet. Celestia was biting her lip and groaning as the cock was pushed deeper. By now, Twilight was pushing in all 12 inches and sucking on her nipples. It was all so good, but Celestia couldn't cum.

Celestia grew frantic, desperately trying to fight against her binds. She tried to hump Twilight's dildo, but the chains prevented it. Her cries of pleasure turned to frustration, her moaning turning to groaning as her cock couldn't unleash it's load. That's when it occurred to Celestia, the tight ring around her cock grew so much tighter and restricted her further.

"Aw, does my little Princess wanna cum?" smirked Twilight as she cotninued to plow Celestia's ass. Celestia frantically nodded her head. Twilight tutted, slapping both of her breasts as she squealed. "That's not an acceptable answer."

"P-please, Mistress!" pleaded Celestia, desperate to reach her climax, "L-let me cum! L-let your slut cum!"

Twilight giggled at the desperation in Celestia's voice, "Okay, Princess, you can have your precious little orgasm." Twilight smirked evilly as she thrusted the cock harder, getting another cry from the Sun Mare. "Just as soon as you give an oral report on how this big cock feels inside your slutty ass."

"M-Mistress, I-I can't c-concentrate!" cried Celestia as Twilight gave her a disapproving glare. She started to thrusts harder, all 12 inches roughly ramming into her ass as she twitched and weakly squirmed.

"You will concentrate and you will tell me or I will stop and leave you here." Twilight smirked at the paniced look on her Princess's face. She slowly pulled the cock out of her ass, "That's right, Celestia. I'll leave you right here, tied to your bed, orgasm denied from you, and being routinely fucked by my dildo until dawn or someone comes to check on you."

Celestia bit her lip nervously, Twilight sounded so serious! Twilight leaned into her ear, her ass gaping with the cock out. The dildo levitated over and rubbed against Celestia's own dick, getting a weak moan as she felt Twilight's breath on her ear and neck. "Is that what you want, Princess? Do you want to be lying on your bed? Naked, restrained, and with your little cock unable to cum?"

"N-no."

Twilight had her cock rub the tip of Celestia as Celestia gave a louder moan. Precum started to leak a pathetic piddle of cum as Twilight giggled. "You're lying, Princess. Your body is telling me you want that. You want to be left here. Frustrated. Unfinished. Needy." She bit on Celestia's neck as she cried out desperately. She could feel the dildo leave her cock and started to ram her ass again. It was faster and harder than ever before, "You want the guards to come in and take advantage of your vulnerable body. You want your sister to come in and be ashamed of you. You want everyone to know that Princess Celestia is a cum-hungry slut." She started to get off of Celestia. Celestia looked in horror as Twilight stood up off the bed.

"N-no! No, please Mistress!" Celestia cried out in desperation, fighting the cuffs harder than before as she wildly tried to free herself. "Please, Mistress! Don't leave me like this! L-let me cum, I'll do anything!"

Twilight glared at Celestia, crossing her arms, "I'm waiting for your report, Celestia."

Celestia whimpered as the toy hammered her ass. "I-it f-feels s-s-so good, Mistress!"

Twilight tutted, picking her crop up and giving three harsh lashes onto her helpless thighs, causing Celestia to squirm and struggle helplessly as the dildo thrusted even faster. "Bad, Princess! You can do better!" scolded Twilight as the dildo pumped faster and harder.

Celestia felt the hot pain in her ass and on her thighs. It hurt, but it hurt so good. The panting sun mare felt words escape her as she whimpered and struggled again, wanting badly to be allowed to release. It was pure sexual torture and she loved it.

"M-my ass f-f-feels like i-it's on fire! L-like it's being torn apart! Th-the rubber is rubbing against m-my slutty hole and i-i-i-oh GODS, MISTRESS! M-MORE!" howled Celestia, not able to keep it together. She gave another scream as her thighs got three more lashes from the crop.

"That's a fragment sentence, Celestia. Finish it."

"THE RUBBER IS RUBBING AGAINST MY SLUTTY HOLE AND IT'S MAKING ME GO CRAZY! PL-PLEASE MAKE ME CUM!" Celestia cried at the top of her lungs.

Twilight smirked as she leaned down, stealing Celestia's lips in a kiss. While Twilight was hot and passionate, Celestia's was wet and sloppy, desperately trying to take in Twilight's tongue as Twilight started to dominate her mouth. Her tongue forced itself down Celestia's throat as the older Alicorn moaned into her dom's mouth. Twilight had dispelled the ring around Celestia's cock as, finally, Celestia could feel that edged pressure reach it's climax. With a castle-shaking scream, Celestia's cock unloaded a large amount of cock into the air as it fell all over Celestia's lower body and belly.

When Twilight released her grasp on Celestia, Celestia was panting. Her body had finally relaxed and had gone limp-around with her new cock as the older Alicorn found herself out of breath and gasping.

"Love you." giggled Twilight, kissing Celestia a gentle kiss on her cheek as she undid the cuffs on Celestia's ankles and wrists. "Let's try and clean you up first before we go to sleep."

Celestia had long since stopped listening. She was too far gone and basking in the afterglow of their session.

-The Following Morning

"Good morning, sister." smiled Luna as she saw her sister walk into the kitchen. A yawn escaped Celestia's lips as Luna handed her a mug. "Coffee?"

"Preferably with plenty of sugar." giggled the sun mare as she grabbed the mug and started to drink.

"You seem awfully refreshed this morning." Luna noted as, aside from her yawn, Celestia was looking as chipper as ever.

Celestia shrugged nonchalantly, "I guess you could say I slept very well." Celestia resumed gulping down her miracle drink.

Luna nodded understandingly, grabbing the kettle and pouring herself a cup of tea. "Understandable." Luna gave a calm sip. "But sister, the next time you and Twilight have another one of your sessions, might I suggest you get a gag."

Celestia choked on her coffee, spitting it out onto the floor as she coughed and gasped for air.

"How about a sound proof spell?"

"L-LUNA!" whined the Sun Mare, blushing an incredibly bright shade of red as her little sister gave her sex advice.