Finally, after what felt like forever, Rex’s orgasm started to go away. Lily slowly, almost unwillingly, pulled her mouth off his massive cock.
A strand of cum and saliva connected her well-fucked lips to the tip before breaking and splattering on her tits. She licked her lips, enjoying the taste of her lover’s essence, and then turned to her sister with a smile that was both triumphant and cruel.
"Mppphhh~! Slurrrrpppppppppp~!"
"See, sis?" she said in a voice that was both sexy and hoarse from the deep fucking her throat had just gotten. "That’s how you do it."
"That’s how you suck a real man’s cock like the debased slut you are." She licked another stray drop of cum from the corner of her mouth, moaning at the taste. "Ugh, he tastes so good, and it’s better than last ti..."
"I can’t get enough of his cum and choking on his massive cock..." Lily starts breathing hard while looking at his twitching cock. "I just want to be his personal fuck toy, his cock sleeve, forever and ever."
Lily glanced back at her. "Don’t you want it too, Diana?"
Diana swallowed hard and felt her pussy tighten and drip when she saw her sister’s cum-covered face and the sinful pleasure in her eyes. She knew deep down that she wanted the sa thing.
She wanted to be Rex’s personal fuck toy, his own personal set of holes that he could use however he wanted. She wanted to spend the rest of her life on her knees, choking on his giant dick, swallowing his cum, and being ruined and broken by his brutal fucking.
She nodded, and her voice was weak and needy. "Yes, Lily... God, yes... I want that too..."
"I want to be Rex’s slut, his whore, his cock-drunk fucktoy."
"I want him to use , to abuse , to fuck until I can’t walk or think straight."
"I want his cum inside all the ti, marking , claiming , and owning ."
"I want to be his, completely and utterly, forever and ever."
"Please, Rex... please let us be your sluts."
"Your perfect, eager, always-ready fucktoys."
"Please use us, fuck us, ruin us for all the other n..."
"Please, Rex... please..."
Diana knelt down next to her sister and begged him to be the ultimate cock-hungry slut for the man they both loved and wanted with every fiber of their beings.
The two sisters looked up at Rex with the sa look of pure, debased desire, waiting for him to give them an order, a command, or permission to serve him however he wanted.
They were his now and forever, and they couldn’t wait to show him over and over again that they were his for as long as he wanted them.
With a wicked grin on his face, Rex looked at Diana. "Okay, but I need to make sure you know it well or else you’re going to die choking on my cock, hahaha!"
"Lily, teach your sister how to deepthroat like a pro. Try to direct her how to take my cock like the perfect little slut she was born to be."
Lily looked at Diana with a determined look on her innocent face. "Okay, sis, the first thing you need to do is relax your throat..."
"Don’t try to fight or resist it; you have to let Rex’s huge cock slide right in." Lily said while pointing at her own tongue. "It hurts for the first and second ti, but when you know the trick... it’s going to be the best feeling ever~!"
Diana nodded, trying to follow her sister’s advice. She took a deep breath, opened her mouth wide, and stuck out her tongue to welco Rex’s thick shaft.
Rex grabbed her hair and pushed forward. The big head of his cock stretched Diana’s lips in a way that was very inappropriate as it pushed past them and into her mouth.
"Guhuugghhh...!" Diana gagged right away, and her throat tightened around the intrusion.
"No, no, no, calm down, Diana!" Lily said, showing her how to do it on an imaginary cock. "Just breathe through your nose and let it slide down your throat."
"It’s not going to ruin your throat, but it’s giving in to it..." Lily said while demonstrating it with her mouth fully opened, and Diana could see her throat moving.
’She’s so perverted... I couldn’t imagine my little sister could turn out like this because of him.’
’It’s so hot... I want to be a pro too...’
Diana tried again, and Rex pushed more of his thick at into her mouth as she took a shuddering breath through her nose. It was throbbing against her tongue, begging for attention.
She tried to relax and let it slide down, but her throat, which wasn’t used to it, tightened and spasd around the thick invader. "Mpppggghhh~! Gughhh~! Glurrgghh~!"
Rex grunted when he felt Diana’s throat tighten around his sensitive cock. "Shit, she’s so damn tight," he growled. "Calm down, you little slut, or I’ll fuck the tightness out of you."
"There you go! So progress~!" Lily nodded and kept demonstrating it on the air. "Use your tongue now, Diana."
"Wrap it around his shaft and suck hard. Think about how you want to suck the cum out of his balls."
Diana followed Lily’s instructions and sucked hard while moving her tongue around the thick cock that was making her jaw hurt. For a while, it looked like it was working, but then Rex pushed too hard and too fast, hitting the back of her throat and making her choke hard.
"GUUUGGHHH!!! UHUGGGHHHH!"
Diana pulled Rex’s cock out of her mouth, coughing and sputtering. There were strings of saliva connecting her mouth to his slick shaft.
"I’m... guhugghhh... sorry," she said, her voice shaking with sha over her failure. "I failed you... Rex..."
"You’re doing great, sis." Lily just smiled and rubbed her back to cheer her on. "Don’t get upset just like that, try again!"
"Just rember that it’s all about relaxing and giving in to the pleasure of Rex’s amazing cock. Let it use you and ruin you for anything else."
Diana nodded, took a deep breath, and got ready to try again. She opened her mouth wide again and stuck out her tongue to let Rex’s cock back in.
This ti, as he pushed forward, she concentrated on relaxing her throat so that the thick shaft could slide past her tonsils and into her gullet.
"Fuck yeah, that’s it," Rex groaned as he felt Diana’s throat relax around him, accepting his size and shape. "Take it all, you little cock sleeve.’
"You’re a natural-born slut, so choke on my fucking dick."
Lily watched, biting her lip in excitent as she saw her sister’s throat bulging in a way that made it look like their lover’s giant cock was inside her. "That’s it!"
"Good job, sis," she said. "Now, suck hard and fast, like you’re trying to get the cum out of his balls. And when he pulls out, don’t let a single drop go to waste—lick it all up like the cum-starved whore you are."
GLUCK! GLUCK! GLUCK! GLUCK! GLUCK!
Diana moaned as the thick shaft stretched her throat, and her tongue danced and fluttered along the ridged underside. She sucked hard, making her cheeks hollow and making a lot of noise as she worshiped Rex’s amazing cock with her eager mouth.
She could feel it beating and throbbing, and she could taste the pre-cum that was leaking onto her tongue. She wanted more, a lot more.
She wanted to taste his cum and feel it fill her mouth, throat, and stomach. She wanted to be his perfect little cock slut, his own fucktoy, for all ti.
And she was determined to show him that she could take his giant dick like the whore she was born and raised to be. She would take it, even if it hurt her or choked her, for him. To Rex. All the ti.
Diana began to get the hang of it, and her throat relaxed as Rex’s giant cock went in and out of her mouth. She sucked harder, and her cheeks hollowed out as she gave her lover’s amazing dick all of her attention.
"GLUCK! GLUGGHH~! GRRGGGHH~! SLURRGGHHH~!"
The room was filled with the wet, dirty sounds of her slurping and sucking, which mixed with Rex’s grunts and groans of pleasure.
"That’s it, Diana! You’re doing so fucking well!" Lily shouted, her eyes shining with pride and excitent as she watched her sister take charge and really start to deepthroat like a pro. "Wow, look at her go, Rex."
"My sister’s a natural-born cock slut, just like ."
Lily gave Rex a naughty, challenging smile as she looked up at him. Her innocent face was very different from the sick act she was seeing and taking part in.
She could see the strong, almost animalistic hunger in his eyes as he watched Diana choke and gag on his giant shaft. This made her pussy tighten with excitent.
"Nice job, Lily... and now I think she’s ready without any instructions from you."
Rex smiled back at Lily, and his own wicked smile promised all kinds of deliciously cruel things. He suddenly tightened his grip on Diana’s purple hair and began to fuck her throat with hard, animalistic strokes.
He thrust her in the face, and the force of his thrusts made slapping sounds as his heavy balls hit her chin over and over again. "NOW THE REAL COCK SUCKING BEGINS..."
"...NOW!!!"
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