Keeping Secrets

by RainbowFlameThrower

First published

During one of their regular dates, Rainbow Dash and Rarity are interrupted by Twilight.

Continues on from A Share of Generosity. If you haven't read that, I would suggest doing so.

During one of their regular dates, Rainbow Dash and Rarity are interrupted by Twilight.

Interruption

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Rarity thrusted back and forth, her hoofs either side of Rainbow Dash as she laid down on Rarity's bed. Rainbow Dash moaned as Rarity's dildo entered and retracted from her marehood, her voice went up in pitch with every thrust.

At first, her thrusts were little more than awkward shoves, but eventually she got into a smooth rhythm.

"Rr- Rar- Rarity!" Rainbow Dash moaned as she continued her hard thrusts. "I love you!"

Rarity smiled, the expression on Rainbow Dash's face notified her that she was doing a good job. "I'm glad you're enjoying it."

Rainbow Dash was heavily panting, some sweat was forming on her brow. She loved having sex with Rarity. If she had known that Rarity would be so obliged to do it, she wished she had kissed her sooner.

Rainbow Dash could feel her orgasm building up with every thrust of Rarity's hips.

"Rarity," she grunted as she grasped the edge of the bed tightly. "I'm- I'm gonna cum!"

With that, Rarity smiled, and began to thrust faster and harder. She didn't stop, even with her paranoia of somepony being able to hear the constant banging of the bed against the wall.

At that moment, Rarity heard a sudden noise which made her freeze. Rainbow Dash looked up at her, still on the brink of her orgasm.

"Rarity, what happened?" she asked. "I'm so close."

Rarity didn't respond, as she was still frozen from the ringing of the bell above her front door, notifying her that somepony had just walked in.

"Rarity?"

"The- the bell..." she stammered.

"What bell?"

"The bell at the front door..."

"What?!"

Rarity took a peek downstairs, and saw Twilight in the front room.

"It's Twilight!" she whispered to Rainbow Dash. She pulled off the dildo and threw it under the bed. "Quick, hide!"

Rainbow Dash looked around, but couldn't really see anywhere to hide. Eventually, she quickly dived under the small gap between the bed and the floor, just as Twilight opened the door.

"Hi, Rarity." Twilight said. "How've you been?"

"Uh, fine. Just... fine." she said nervously as she sat down on the bed.

"You seem a bit nervous. Are you okay?"

"Uh... yes. I'm fine."

She wasn't sure if she was sitting on Rainbow Dash or not, but she couldn't check.

Twilight walked over to her and also sat on the bed beside her. Rarity heard Rainbow Dash's grunt as she sat down, telling her that she was under Twilight.

"So anyway, I was just coming by to ask you if you wanted to have a picnic later with the others."

Meanwhile, under the bed, Rainbow Dash lay, painfully being choked by the mattress under Twilight. She tried to hold her breath, hoping that she would just get up and leave, but Twilight just kept going on and on. She tried shifting to the side, but was unsuccessful. She was pinned down.

"Have you seen Rainbow Dash? I haven't seen her all day." Twilight said.

"Uh... No... No I haven't, sorry." Rarity said, hoping she would hurry up and leave. If she found Rainbow Dash under the bed, it would be a disaster.

"Well, if you see her, tell her we're having a picnic, okay?"

Finally, Twilight stood up, allowing Rainbow Dash to breathe. However, she was breathless for so long, she didn't simply take a breath, rather a whole gasp.

"What was that?" Twilight asked upon hearing the deep breath.

"W- W- What was what?" Rarity stuttered, becoming extremely worried.

"That gasping noise..."

Twilight lowered her head underneath the bed, and to her surprise, found a nervous Rainbow Dash.

"Rainbow Dash?! What are you doing under there?" she asked.

"Uh... Hiding?" she said worriedly.

Suddenly, Twilight's attention was caught by the wet dildo, lying next to her.

"What the hell is that?!" she exclaimed.

"Uh... No- nothing." Rainbow Dash stuttered awkwardly.

"Is... Is that a sex toy?!"

"Twilight, please, calm down." Rarity said.

"Calm down?! You have Rainbow Dash and a bucking dildo under your bed!"

"Twilight, please. Calm yourself."

Rainbow Dash crawled out from under the bed.

"Yeah, Twilight. We can explain." she said.

"But... Wait, were you two... doing it?" Twilight asked, her face frowning with disgust.

"Well, uh... yes." Rarity said. "But please, you have to understand-"

"Understand what? That you've been bucking each other?!"

"Err, yes... I'm sorry you had to find out like this..." Rarity said, placing a hoof on her shoulder, which she quickly shoved off.

"Well, did you ever plan on telling me?"

"Actually, we talked about telling you and the other three, but we weren't really sure. We were worried about how you would respond." Rainbow Dash said. "I mean, the way you're acting now is why we decided not to say anything."

"How long have you been doing it?"

"About a month now."

As far as Twilight was concerned, that was a month too long.

"Look, I'm sorry, but this is just a bit disturbing for me." Twilight said. "So are you homosexual or bisexual?"

Rarity and Rainbow Dash looked at each other oddly, surprised by the fact that Twilight was now investigating their sex lives.

"Uh, well, as much as I enjoy Rainbow Dash's company," Rarity said. "I do enjoy the occasional stallion."

"I'm not really sure." Rainbow Dash said. "I've never really been with a colt."

Twilight placed a hoof on the doorknob, before looking back up at the two mares.

"I'm finding this really disgusting." she said. "I know this is your choice, but I'm just not comfortable knowing that once I leave, you're just going to go on having sex."

"I understand, Twilight." Rarity said. "But please, don't tell anypony."

Twilight nodded. "Alright, I won't say anything, but I hope you understand how difficult this is for me."

Rarity looked at Rainbow Dash, and then back at Twilight.

"Now that you mention it, you do look a bit tense..." she said.

"Yeah, I agree." Rainbow Dash said. "Why don't you come lie down on the bed for a second..."

"Hang on, are you... implying a threesome?" Twilight asked, a little shocked.

"Well that depends... Are we?"

Rarity levitated Twilight over to the bed and pinned her down.

"No, Rarity, stop!" she yelled. "I don't want to have sex with you two!"

"Aww, why not?" Rarity asked, still pinning her down.

"Because, I want my first time to be with somepony special, not my friends who suddenly decided to rape me!"

"A virgin, huh?" Rainbow Dash said.

"Rainbow Dash," Rarity said with a mischievous grin. "Go get me the dildo."