Cadence starts to suspect Nightmare Rarity

Their master had not finished with only one orgasm that night, and it was the duty of both of his royal sex slaves to continue to please him until he was finished. The rivalry and hatred between the two was forgotten in the face of their greater purpose to please their master and serve his every whim. Right now the changeling and the alicorn had two pairs of tits wrapped around his dragon dick. Now safe in the knowledge that Spike wouldn't deny her the chance to serve as his concubine Chrysalis was all too eager for some less than good-natured competition.

She had her breasts expanded so that they were now noticeably bigger than her alicorn partner, and was pushing herself forward so as much of the dragon's bestial was engulfed by her black chitin breasts rather than the alicorn tits. Cadence of course saw no need to take this lying down and redoubled her efforts in kind. Compensating for her relative lack of bust with her strength and skill ensured that the part of Spike's dick touched by her fur was pleased the most. Even now Cadence could her own body start to quiver, just from the touch of her tits on the one dragon who could ever satisfy her.

Her head arched back into **** moans as her tongue rolled out of her mouth, no longer able to hide the pleasure she was receiving from simply pleasing her Master Spike. A fact that Chrysalis took full notice of if the grin of triumph on her face was any indication.

"Look at that pathetic whore Master, she looks like she's about to cum just by you touching her flat tits," Chrysalis sneered, but she found Spike's hands seizing her mane. To Cadence's delight, it seemed Spike was going to take Cadence's side on this.

"Oh is that so? Isn't it a good thing that Cadence here feels pleasure from pleasing me rather than being pleased? Aren't you envious that Cadence here can get off just by pleasing me with her tits?" Spike asked her, watching in some amusement as Chrysalis's smug look of pride became a panicked childish denial.

"N-no I'm just laughing at this pathetic bitch of a princess," she spluttered out with all the grace of an insecure child. She reminded Cadence of that bully the crusaders had always talked about, and was no more convincing than they were. Cadence grinned at seeing the changeling fluster.

"An excellent observation Master, I suppose it does make sense. It must rattle a changeling, being able to shape their body perfectly to her Master's desires yet be completely unable to make change the feelings that Master desires, or any of the powers. Here Chrysalis let me help," Cadence purred before grasping her hands around the two breasts of the changeling. Before she could utter a single word of protest Cadence was working her magic, pouring unimaginable lust into the bug. Soon she fell to the floor, hands pawing at her breasts and cunt as she sprawled outward across the floor as a drooling mess.

"Guess that makes your pleasure my job Master," Cadence said with a wink, shuffling forward so that her breasts could engulf Spike's cock fully and utterly. "Though I wonder if Chrysalis really deserves to be a concubine rather than just another **** if she cannot pleasure and orgasm at the same time."

She shot Chrysalis a glance with a glint of triumph in her eyes, before turning back to Spike who was shrugging his shoulders. “It was Rarity’s idea, speaking of which where is Rarity?”

Cadence frowned, that was a fair question. Had it not been Rarity’s idea to make Chrysalis a concubine to Spike rather than another sex ****? Why had she not been here to observe the fruits of her efforts as she had done with Umbra? And when Chrysalis had first arrived why had she tried to make Cadence into Chrysalis’s loving ****?

“Master, have you noticed there is something off about Rarity?” Cadence asked meekly, even as the words she spoke felt like poison in her mouth. Punishment for even thinking about questioning her Mistress, yet she found that her Master was frowning in agreement.

“I know what you mean, she’s been acting differently since Radiant Hope was inducted into the harem. She's been more distant as if she was keeping a secret,” Spike admitted to himself, breaking eye contact with his **** and gazing to one side before muttering to himself: "And I don't know why she wanted you to be Chrysalis's **** rather than the other way around."

Cadence was completely in agreement regarding that last point, it was her duty as her Mistress's **** to be compliant to her every wish and desire. Yet she could not fathom why her Mistress would desire this of her... unless she was still angered by her previous manipulation of her Master and Mistress. But hadn't she forgiven her for that, and if not why not ask permission from Spike first? He was more than just a simple boyfriend, after all, he was her Master.

"Perhaps Master, if you would permit, I should investigate. It is not proper for a ****, even my Mistress, to keep secrets from you Master. And if something is bothering Rarity wouldn't you like to know what it is, before this drives a gap between the two of you," Cadence suggested, informing him of her concerns as both a dutiful sex **** and as a concerned sister-in-law.

The thought that something wrong with Rarity might cause them to drift apart seemed to worry Spike. Whilst Cadence knew he’d asked a question that would make sure that Rarity wasn’t traumatised by the event, there was always the possibility he had worded the question wrong after all. “Alright Cadence, go ahead. If something is concerning Rarity then let me know."

The Princess bowed her head. "Your wish is my command, Master."

"Oh and just in case you need any help... Chrysalis sub," Spike declared, activating a trigger in Chrysalis's mind. Cadence of course didn't know this and simply cocked her head in confusion. All however was made clear soon when she heard Chrysalis crawling towards her. Her body shook now with the awe of a star-struck filly, and for the first time, Cadence saw the changeling seem shy and nervous.

"P-Princess Cadence... I-I never realised what a g-great beau-ty y-you were. P-perhaps you would be best suited to take my place as the Queen of the Changelings, such a greater being than myself. I-I only ask that you give me the chance to serve you, as I serve Master and Mistress... and perhaps the chance to either fuck or be fucked by you. Whichever you prefer of course," Chrysalis whimpered, prostrating herself by Cadence's side with tearful eyes. Cadence couldn't help but find herself smirking at the turn of the tables.

"So that's the trigger you implanted on us in action," Cadence noted, she had, of course, remembered when Spike had returned her to normal and added the triggers. Though his reasoning for that was much more clear than her Mistress, it had amused him and he was playing fair. As her Master's **** that was as good a reason as any. "I imagine that will be quite helpful."

"If it turns out to be nothing serious just forget what you see. I don't like inspecting Rarity's private life," Spike admitted, with gentle concern. Cadence placed a hand on his claw and smiled reassuringly at him. "Of course not Master Spike, I want to make sure our Mistress is happy as much as you do."

Meanwhile, elsewhere in the castle, the disguised Nightmare Rarity made her way through the Crystal Castle, trying to calm the uneasy feeling in her stomach. For whatever reason, Nightmare Rarity had an uneasy feeling in her stomach that refused to leave. Yet she was not like her weak counterpart, she would not let her emotions control her as she had done with her banal crush on the dragon. She would continue as planned.

So without any further ado, she made her way into the library, and as expected she saw her target relaxing on a sofa. The wielder of the Root of Loyalty had a nose stuck into a particularly large book on various sexual positions. The little bookworm was always studious in any task, including how to please. So if Nightmare Rarity couldn't have Chrysalis as an ally, or Cadence under her control through her, then perhaps Twilight would be a good replacement.

A/N: So three things to mention here. Firstly whilst I have a general idea of a plot for Nightmare Rarity (with her trying to make use of Twilight's Root of Loyalty, and Cadence being sent to investigate her) specific details like what will happen to Nightmare Rarity specifically though are still in the air and suggestions are welcome.

Second thing, people were quite supportive before and it seems my fears about the quality of the writing were unfounded. It was probably my anxiety and insecurity acting up, thanks to the feedback on that.

Thirdly, there were also a lot of doomsayers last time about Spike's chances with Flurry Heart, ironically I actually included a hint for a possible way to defeat her, but no one picked up on it. Given that no one picked up on the Time Master being Flurry Heart I'm either really good at hiding foreshadowing or really bad at it.

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