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You are here: Home / Adult sex stories / I Became My Little Sister’s Bitch Ch. 05 by Cobaltofdark

I Became My Little Sister’s Bitch Ch. 05 by Cobaltofdark

Adult story Editor June 27, 2023 Leave a Comment

Alathia making her own inquiry, “Will he be able to get an erection?”

Prancer, moaning, struggles to respond, “No, Mistress, he’ll never get another erection again after this last shot.”

Alathia stands up, her bare pussy on display. Donner struggles to not look at her intimate parts on display. Alathia runs the syringe down Donner’s chest. “My poor femboy, Donner, did you ever get to put your cock in a pussy?”

Sniffing, Donner holds back his emotions over the loss of his erections, whispering, “No, Mistress.”

Alathia then slips the syringe into the very diminutive balls that are honestly smaller than grapes now. Picking up the next syringe, Alathia asks the still-moaning Prancer, who has now pulled her shirt open and is pulling her nipples in ecstasy.

Alathia amused at the sight of her first pet losing herself in her own sexual pleasure, addresses Donner as to what the rest of these are used for in his training. Donner, with a shaky voice, lets Alathia know that the last two are to be injected into his chest, so his boobs will continue to grow and make his nipples hypersensitive.

Alathia hands the syringes to Donner, “Show me my little femboy buttslut, show me you’ve learned your place at my feet, and as my property.”

With a shaky hand, Donner injects his growing B-cup chest with both injections, gasping as he can feel the warm serum working on his chest.

Laughing, watching Donner be the instrument of his own destruction, “Oh, Donner. You’ve destroyed your cock, altered your body irreparable, and now you’ve become a femboy buttslut, and all because you wouldn’t take no for an answer.”

Looking down in a defeated manor, “Yes, Mistress. I’ve grown to accept that I’m nothing more than a plaything to you and Mistress Prancer.”

Caressing Donner’s cheek, “Good fuckboy, because your help is gonna be needed with the next femboy feminization we’ll be attempting.”

Hearing the news that he’ll no longer be the lowest in Alathia’s pride, “I’ll be happy to break in a new bitch for Mistress Alathia.”

“Excellent, Donner. Prancer’s gonna need your help and you’ll finally be able to release your aggression on a new pathetic bitch boy.”

Overwhelmed by the proposition, Donner nods in enthusiastic agreement, “Yes, Mistress.”

“Donner, today is your lucky day. I know that Prancer hasn’t let you climax in over three months, despite fucking your cute little ass on the regular. So, I’m actually in a very good mood. Both my slaves are coming along so well, that I’m gonna let you climax in my big sister’s mouth.”

Running a hand over Donner’s hypersensitive nipples, giving them a hard tweak, draws a very feminine sound from the femboy’s lips. “You even sound like a bitch, Donner.”

Groaning in pleasure, “Yes, Mistress.” Donner feels the cock cage being removed.

Laughing, Alathia takes the cock cage off. “Oh my. Donner, calling this small thing a cock is just insulting to what actual cock is; this is now your clit cage!”

“Yes, Mistress.” Donner looks down, knowing his once-proud penis has been shrunk and made completely useless.

Pouring salt in the wound, “It’s a good thing you’re blossoming into a beautiful woman.” Flicking the tip of Donner’s nub like penis. “This won’t satisfy any woman!”

Falling further to his role, Donner just nods, staying quiet to not bring any undo wrath upon himself. Finally taking in the extent of the damage done to his penis, Donner realizes there’s no going back for him, that he needs to embrace his new role. “Yes, Mistress.”

Nibbling on Donner’s ear, “Cheer up, my favorite fuckboy. Prancer’s gonna fuck your ass and you’re gonna climax in my big sister’s mouth.”

Donner hearing that he’ll finally be allowed to climax, maybe being the femboy to his mistresses won’t be so bad if he goes with the program. Maybe it could be pleasurable. “Oh thank you, Mistress. Thank you so much!”

Prancer bucking to an orgasm that rolls through her body, she begins pushing Bex away, so Bex can begin sucking on Donner’s nub of a penis.

Bex, feeling the weight of her current predicament being on her knees with Prancer’s nectar spread across her face, moves to take Donner’s nub in her mouth.

Prancer begins lubing the dildo up, to penetrate Donner’s ass.

Prancer, having prepared her sex toy, pushes Donner over the table, grabbing Bex by her hair, positioning her to take Donner’s nub in her mouth. Not needing much more instruction, Bex begins wrapping her lips around not just the penis, but surprisingly to Bex, his balls, as well, are now in her mouth.

“Oh my god, is this the extent of Alathia’s wraith? She took this poor fucker’s balls to the size of grapes. Holy shit! If she could do this to this person, what the fuck does she have planned for me!”

Running her tongue over the nub, suckling on it like a nipple, Bex draws some very salacious moans from Donner’s mouth. Prancer pulls the medium-size buttplug from Donner’s ass with an audible pop. This causes another gasp of pleasure from Donner, as it’s been a while since he hasn’t had that plug up his ass. Donner’s actually become used to having something up his ass; it’s strange to now be empty.

It’s not a feeling Donner has to suffer for very long, as Prancer plunges her sex toy deep in Donner’s plump rump. “The estrogen is doing wonders to your ass Donner.”

“Thank you, Mistress Prancer.” Donner grabs onto Prancer’s hips, as she’s fucking him like the bitch he’s become. Prancer bucking back, taking the limited pleasure he’s afforded, catching Alathia’s eyes.

Alathia taking Donner’s collar, caressing his cheek, “Good girls get treated well and with pleasure; bad girls get disciplined, Donner!”

“Yes, Mistress!” Gasping in pleasure, “Yes, Mistress!”

Alathia watches as her big sister suckles a pathetic femboy cock, and her personal secretary fucks Donner into the ground. Alathia can’t help but begin to touch herself to the sight of all she’s accomplished in such a short time.

Bex, rolling her tongue completely over Donner’s shrunken cock, thinks to herself, “Holy shit! This poor bastard’s cock has been rendered completely useless, while never actually getting to use it. Fuck, Alathia can be evil!”

Prancer, giving Donner’s ass a sharp slap, “Moan for me, buttslut. Moan and beg to get fucked like the bitch you are.” She grabs Donner’s hips, thrusting harder and harder, his poor ass slapping on Prancer’s thighs.

“Yes, Mistress…yes, Mistress. Fuck me like the bitch I am. I’m your femboy buttslut now, Mistress!”

Thrusting harder, poor Donner is drowning in a white river rapid of sexual stimulation, from Bex suckling his poor cock-nub to being piledriven by Prancer, the orgasm about to explode from the tip of his cock is going to be massive.

Grunting from both Prancer and Donner are reaching their crescendo, both coming to the end of their stamina. In a last violent spasm, Donner cries tears of pain and joy, having months of edging being released into the warm, waiting mouth of Bex Reid.

Bex, feeling the warm ejaculation shooting into her mouth, knows Alathia will punish her if she swallows prematurely. But the sheer volume of cum is becoming more than the bulging cheeks of Bex can handle. Finally, she has to remove her mouth from the nub to have the last three blasts cover her face in a foggy-transluscent cum, lacking the potency of a stronger, more virile male’s cum.

Alathia trembling at the performance before her, rides the orgasm building deep in her crotch to its ultimate completion.

**********

Bex, finally at the end of her day, is allowed one hour of free time, to do as she pleases. Picking up her phone, she checks her messages and is in shock that Alathia has been responding for her, and if not Alathia, one of her minions that she’s corrupted. “Fuck, she’s got me coming and going. I can’t do anything without Alathia knowing, and I’m not exactly wanting a repeat spanking, my ass is still sore from the restaurant.”

Tossing her phone to the side, Bex goes to her computer. “Fine, Alathia, you may control my phone, but I can still play games with my friends online!” Booting her computer up, Bex is struck with the image of Tinkerball as her background, and her computer being completely reformatted to being a child’s toy; every safeguard and kids program available is now loaded, instead of her many video games she’s collected. Frustration boiling over, “God dammit, Alathia, I’m not a child. I’m fucking older than you!” Realizing this, only sinks Bex further into a depressive state. Turning off the computer, Bex grabs one of her mangas and begins reading it, all the while unbeknownst to her, Alathia is watching Bex’s growing frustration at her new status and role in the family.

The time ticks slowly, as Bex reads her comic. It’s one of her erotic ones, but she’s really at a lack of options currently. Slipping her hand under her very short skirt, Bex gently plays with her newly pierced clit. The freshness of the piercing is a constant pleasure rolling through her body. The equivalent of a steady drip of a leaky faucet; never increasing, never decreasing– just constant sexual pressure. Slipping her hand further down, she feels the two rings that now adorn her outer labia and tugs them gently. “Fuck my pussy is so hot, and I gotta say, looks fucking sexy with its new jewelry. I could lose the bell, though, that’s just fucking embarrassing to have attached to my fucking clitoris.”

Closing her eyes, Bex gets lost in the moment, only to feel lips pressed gently with a touch of force and lust, trailing the touch of them on her own. Instinctively, Bex opens her mouth to the probing tongue of her little sister, feeling the familiar hands of her Mistress begin playing along under her skirt. “Oh god. Yes, please. I’m so fucking horny, I feel like I’m losing my goddamn mind.” Moaning softly, Bex begs for her Mistress’s touch.

Gently nibbling Bex’s neck, Alathia begins gently pulling the soiled maid outfit off her big sister, leaving her in just stockings and her garter belt. Blushing, Bex watches as Alathia takes in the sight of her nude big sister. Knowing she’s completely under Alathia’s control, only heightens Alathia’s own sexual excitement.

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