RWBY One-Shots (18+)

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"She's my partner!"
Yang growled.
"But she wants 𝒎𝒚 cock!"
Jason retorted.
Yang and Jason stood in the middle of Blake's room. The two friends glared at each other. They usually never fought.
Yang sighed and took a step back.
"Fine."
She said, still with a hint of defiance in her voice.
"We'll settle this the old fashioned way- with a challenge."
Blake sat up, having been laying on the bed in the corner of the room, her ears perked up to hear what the blonde had to say.
Jason raised an eyebrow.
"A challenge eh? Go ahead, I'm listening."
Yang thought for a moment.
"We take turns pounding Blake's ass. Whoever gives her the most pleasure and lasts the longest without cumming gets to fuck her for real."
Jason smirked.
"I thought you said this was gonna be a challenge. You really think you can outlast me?"
Yang rolled her eyes.
"Whatever. Blake, you in?"
The female faunus grinned and nodded eagerly, her cat ears twitching at the idea of taking two hard poundings.
Yang grinned.
"I call first."
as she walked over to Blake and climbed up onto the bed. As Blake removed her boots, leggings, and panties, the blonde brawler glanced at Jason, who sat at the head of Blake's bed.
"I bet I'm bigger than you anyhow."
Yang said, unbuttoning her top and letting it fall to the floor, followed by her shorts and underwear.
With a smirk Yang rubbed the length of her cock until it hardened to its full 6.7 inches.
There was a small sound of laughter from Jason.
"What?"
Yang asked as she glared at him.
"I thought you said you were big."
Jason said with a grin.
"Like you're any bigger!"
Yang shot back as she prepared to enter Blake's ass.
"You'll just have to wait and see."
Jason said, smirking slightly.
Blake groaned gently as she felt the blonde's cock slip inside her, Yang moving up to put her hands on Blake's shoulders as she thrust.
As soon as she entered her partner's tight asshole, Yang saw Jason start the timer on his Scroll. Grinning to herself, Yang pushed inch after inch of her cock into Blake, enjoying her partner's loud moans of enjoyment.
"Mmm... ahhh~"
Blake groaned as she played with her breasts, pinching her nipples as she felt Yang's member pounding deeper into her ass with each thrust.
The dark haired female faunus let out a sudden gasp of pleasure as Jason began to run his hands over her cat ears gently.
Down at the other end of the bed, Yang was experiencing her own level of pleasure as she slammed deeper into the other girl, her balls slapping against Blake's ass as she thrust.
"Ooh~ that's it, Yang!"
Blake moaned.
"Deeper! Deeper!"
Yang grunted as she picked up Blakes legs, trying to force herself even deeper into the faunus.
"Blake~"
The blonde moaned, blushing.
"I'm already as deep as I can go!"
Opening her eyes, Blake glanced down at the blond pounding away in between her legs.
"Deeper! Please!"
She moaned.
Yang shook her head.
"C-can't! And your so- ahhh~fucking... Nnngh... tight."
She panted heavily.
" i'm not gonna last much longer..."
"What?!"
Blake asked, her voice a shocked yet pleasured moan.
"Y-ahh-you can't cum yet! I'm n-not even close!"
But it was too late. Yang groaned as her instincts kicked in. With one last, desperate thrust, she hilted herself inside her partner, and came... Hard.
Yang let out a moan of anger and desperation as her own body betrayed her, pumping several spurts of cum into Blake's asshole. When was done, she pulled back, painting, and collapsed on the bed as her cock returned to its flaccid state.
Jason stopped the timer.
Yang glanced over at the scroll.
7 minutes, 11 seconds.
Blake sat up a little, her cat ears pressed flat against her head.
"Yang, that was fine but... I wasn't even close."
The blonde swore under her breath.
Her only hope now was that Jason wouldn't be as well equipped as she was.
That hope died the second Jason let his pants hit the floor.
Yang gaped at the size of his cock.
Still mostly soft, it was already at least 10 inches long, several inches bigger than hers, and still growing. Yang watched was fascinated horror as Jason climbed up on the bed and took over her old spot between Blakes legs.
The male faunus rubbed his already massive cock until it reached its full length. Fully erect, Jason's monster cock stood at 14 inches long, more than twice the size of Yang's.
He smirked- as he glanced at the blonde.
"Told you."
He said, before glancing at Blake, who lifted her ass up a little.
" you ready?"
Jason asked, reaching out to cup one of her cat ears and rub it gently.
Blake nodded and smirked.
" go ahead, big boy."
she said/
" break me.
Yang found herself unable to look away as Jason started a new timer before slipping the tip of his massive cock into Blake's ass.
the faunus girl groan as she felt herself being stretched by Jason's massive girth.
"Ahhh~ shit!"
she moaned loudly,
"That's the stuff!"
then Jason began to thrust, deeper and harder each time. it didn't take long for him to start pounding deeper than Yang ever had, and Blake was loving it.
the dark-haired girl clutched at the bed sheets as she felt Jason thrusting deeper and deeper into her. in fact it wasn't long before she felt a powerful orgasm begining deep inside her.
"Harder!"
Blake groaned, reaching up to clutch one of Jason's shoulders.
"I'm close!"
Yang watched as Jason sped up, pounding deeper and deeper into Blake.
the dark-haired girls panting increased in rate oh, her breathing coming fast and shallow now until it proved to be too much for her. with a mon unlike any Yang ever heard, Blake through her head back in a powerful orgasm. her juices went everywhere as she came, running down her thighs, spraying Jason's chest, a little even getting on yang.
still Jason didn't slow down, bending down to kiss Blake's lips gently as he pounded his cock even deeper into her.
Blake began to moan even louder, and this time her words mixed in with the Primal noises.
"Don't... stop..."
Blake groaned as she felt 10 inches of Jason's mighty shaft pounding into her.
"Feels... so... good!"
The faunus girl let out a second roar of pleasure as she came again. this time, her body was angled so her juices splashed all over yang. almost without realizing it, the blond licked them up, enjoying their Savory taste.
"So much better..."
Blake managed through a steady stream of moans.
"So much better than Yang!"
The bed began to creek as Jason sped up, his thrusts coming harder and faster.
"I'm getting close, kitten."
Jason murmured, just loud enough for Yang to hear.
"Yes!"
Blake panted.
"Fill my ass with your cum!"
A minute later, she got her wish as Jason slammed himself deep into her ass as he came.
The two moaned in unison as a massive wave of hot, sticky cum flooded Blake's tight ass, spilling out onto the bed sheets.
When it was finally over, Jason pulled out and stopped the timer.
21 minutes, 37 seconds.
Yang hung her head. Not only had she lost, she'd been thoroughly humiliated at the challenge she herself had created.