Miss Stepsister

DESCRIPTION

Oliver inadvertently gives his stepsister control of his chastity cage on a kinky dating app.

THEMES

Chastity

Control

Mild Non-Consent Situations

Stepsiblings

DISCLAIMER

All characters depicted in this story are fictional. Every character is also 18+. Please also understand that by their very nature, chastity stories like this can push the boundaries of consent that are so important to the real world. If you're uncomfortable with that (or any of the themes listed above) this may not be the story for you and that's okay. When it comes to erotica there are a lot of options out there. You should only read the types of stories that fit with your kinks. If you continue reading, I hope that you enjoy the journey you are about to go on. If you decide to explore any of your fantasies in real life, please always do so safely and with consent.

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CHAPTER ONE

Warning: This user has enabled message control. Sending them a message will give them limited control of your chastity device. Limited control means your chastity will remain locked unless this user chooses to unlock it or the time expires. They will not have access to any of the other features of your CFE chastity device unless you give them additional permissions. No time can be added by this user on top of the time given and no time can be removed by you once you send your first message. Do you wish to continue?

Oliver clicked 'yes.'

The message control setting for this user is 12 hours. They will have limited control over your chastity for 12 hours immediately after sending this message and unless they allow it, you will not be able to unlock yourself. By selecting 'Confirm' you are stating that you understand that you may be locked for the entirety of the time given and you are aware of the risks associated with giving limited control of your CFE chastity device away.

Oliver clicked Confirm and another message popped up.

Your CFE chastity device must be fitted and locked before you can send a message to this user. Please lock your CFE chastity device on and try again.

Oliver looked at the chastity device on his desk. It was brand-new. He'd paired it to the app, but still hadn't worked up the nerve to try it on. It was the only way to message her, though.

Her name was Miss K and she was incredible. In her main photo, she wore a full body latex catsuit with a hood covering her face. It was all black. She had red heels and red leather gloves on top that gave it a pop of color. She was standing in front of a photographer's backdrop holding out a set of handcuffs as if in offer to anyone willing to submit. She was latex-clad to some degree in all her pictures and her face was always hidden. That was pretty common with people on the kinky side of the CFE dating app, though. Oliver hadn't posted any pictures of his face either.

Ten years ago-and with any other dating app-not posting pictures of your face was a sure-fire way to make people think it was a fake account. CFE (Chastity for Everyone), went far beyond dating, though. It started off as an app to control CFE sex toys. Mostly chastity devices and belts but they soon expanded into restraints, vibrators, plugs, and all sorts of other kinky toys. The release of the first generation CFE toys and the app that controlled them was followed with a very successful campaign to normalize kinks and fetishes, but it was the security protocols and limits that CFE enforced that really enticed people to join the app for both kinky and vanilla reasons over time. Over the decade since their launch, the CFE app had become the world's most popular text messenger, social media platform, and video host because the whole motto for CFE was "Where you can be you." It was a catchy slogan that fit with their kinky roots, but it was also a mandate that they enforced with each new feature and app they added because what they meant with that slogan turned out to be, "This is a place where you can express who you really are... and we won't let you pretend to be anyone else."

Any photos uploaded to your account must be taken through the app while you're logged in. You can't repost other people's content, and you can't even copy and paste within the app. On top of that, everyone who created an account-whether they were getting into the kinky side of the app or not-had to verify their identity and there was a zero-tolerance policy for falsely tagging photos. If anyone flagged a photo where you were claiming to be someone else and it was proved to be true, you'd be suspended from all CFE app features for a month. If it happened again, you'd be suspended for a year. Considering you could only register one account, this proved to be an adequate deterrent. That's not to say they didn't understand and advocate for a person's right to anonymity, but misrepresentation and purposeful deception would not be tolerated.

This brings us back to Oliver and how he knew that despite not being able to see Miss K's face, he was confident that the woman he saw in that tight latex outfit was exactly who she claimed to be.

Oliver was captivated by her. It wasn't just Miss K's pictures, either. He had never really explored a control dynamic with anyone before, but her list of kinks seemed to fulfill every one of his fantasies. The only challenge was that she had put this barrier to chatting on her profile. He would have to lock his chastity on for 12 hours just to talk to her. He'd fantasized about chastity for years, but it was very different with the device right in front of him and an erection that would make putting it on impossible.

Scrolling back to her pictures, Oliver couldn't help himself. He started stroking. His eyes glanced down to her kinks and saw:

"Keeping men secretly locked in chastity while they live their lives knowing that they can only cum if I allow it."

Oliver came.

As his cock started to soften, he took a breath and awkwardly fit his brand-new chastity around himself for the first time. On his phone, he left her profile and flipped over to the CFE toy controller. His chastity was already paired to his account and the only non-greyed out button was a lock. He tapped it. The chastity tightened slightly, and there was a click as the locks engaged within. Despite having just cum, his cock was already starting to push back. It felt incredible. He hit unlock and it clicked and then loosened slightly. CFE chastity belts promised to be inescapable, and he could see why... but it was good to know that the mechanisms were all working properly.

Oliver locked the belt again and looked at the options on the app that were now available to him. He could give control to another user; he could set an unchangeable timer with a specific time or a random duration within a range that he could adjust; there were also games and challenges that continually changed. The game of the week was a treasure hunt game where his ability to unlock his chastity would be removed and he'd have to go to certain places within his city, follow clues, and find his way to the end, at which point control to his chastity would be returned to him. This was only available in major cities where CFE had a presence large enough to justify a specific treasure hunt, but Oliver had to admit that it seemed like a good way to make chastity kind of... normal and fun. There were even CFE toys as prizes for the first few people to solve it.

The games all had end-game timers as well, of course. Most of them were set to a week so if you couldn't end the game on your own, you'd still get your freedom back after a week of chastity. Oliver thought he'd probably play a game someday but he'd have to work up to it. Twelve hours just to message Miss K was intimidating enough... he couldn't imagine what it might be like to get stumped on a treasure hunt clue and end up trapped in chastity for seven days because of it.

Oliver flipped back to the dating app and hit the message button again. He was greeted by the same set of warnings about Miss K requiring him to give her 12 hours locked in chastity just so he could send a message. He clicked the 'do not show again' box and wrote his message.

Little O: Hi, Miss K.

Oliver's finger hovered over the send button. This was it; twelve hours of chastity so he could talk to someone he didn't even know... and she would control his cage the whole time. He hit send and immediately flipped back to the CFE toys app. A timer had started counting down from twelve hours and the unlock button had turned into a picture of Miss K. Pressing it just took him to her profile. There was no longer an option to unlock. He could add time if he wanted, but there was no way to remove any.

A message notification popped up and Oliver flipped back to the dating app.

Miss K: Hey there, Little O. How's it feel knowing a stranger is in control of your cock?

Little O: It's unbelievable. This is actually my first time locked...

Miss K: Oh, I like that. Did you lock up just for me?

Little O: Maybe...

Miss K: Oh, Little O. You've never been with a dominant woman, have you?

Little O: No...

Miss K: Good. That means I can turn you into exactly the type of little subby that I want. I have rules and if you want to continue chatting, you'll follow them. How does that sound?

Little O: Sounds like fun. What are the rules?

Miss K: Rule #1 is that you're not allowed to give ambiguous answers to my questions. You start with a Yes or a No and you only follow up with an explanation if I request it. Does that make sense?

Little O: Yeah, okay.

Miss K: Try again.

Little O: Yes... Mistress?

Miss K: Almost. Rule #2: If we meet and decide to explore this dynamic together, you will add a "Miss K" to the end of every sentence with me. In text and out loud. Until then, I may control your cock, but I'm not your Mistress yet. Understand?

Little O: Yes.

Oliver's mind was reeling. He had read stories about dominant women, watched videos, and he had even paid for some content on the CFE app that was created by dominant women who spoke with this sort of authority, but it was very different being spoken to this way directly. His cock was already straining in its cage.

Little O: Is there any way you'd let me out of my cage sooner than 12 hours?

Miss K: What do you mean, Little O?

Little O: I had to give you control of my cage for 12 hours so that I could message you... but I'm not sure I'm going to be able to last that long.

Miss K: Oh, sweetie. Didn't you understand when the warning popped up again? Each message gives me another twelve hours. I've already got you for 5 days.

Oliver's stomach turned inside out. He flipped back to the chastity app and sure enough... the timer was counting down from four days, twenty-three hours, and fifty-five minutes. A message popped up and Oliver flipped back to the dating app.

Miss K: Things just got interesting, didn't they? If you send another message, it's another 12 hours. If you don't... you're locked up for 5 days and it was all for nothing.

Little O: Oh my god, please, you have to let me out sooner than that! I checked the box so the message wouldn't pop up again, but I thought it was just 12 hours to start the conversation! Who would give up 12 hours for every message?!

Miss K: Don't you think I'm worth it?

Little O: You're incredible but I've only been locked up for 5 minutes in my whole life. There's no way I can last that long!

Miss K: You're already forgetting rule #1. Do you think I'm worth it?

Oliver didn't know what to do. He flipped back to the chastity app and saw that it was now just seven minutes shy of six days. He couldn't keep going... could he?

Miss K: Listen, you're clearly in over your head. I'm loving it, but I'm not that interested in pursuing anything with a guy that can't even last a day in chastity. I'm done with vanilla relationships. So, answer my next questions very carefully...

Miss K: Is there a world where you think that you might enjoy me keeping you locked in chastity for my own amusement? Your pleasure completely controlled by me? You were willing to give up twelve hours, so I have to assume that you wanted some version of this but you're just a little overwhelmed because it's your first time. Does that all ring true?

Little O: Yes.

Miss K: Okay, here's what's going to happen. In the next hour if you don't send me a picture of your face, I'll unlock you after the 12 hours you thought you were giving up, block you, and we'll never talk again... but you'll get your cock back when you thought you would. If you do send me a picture and I don't want to meet you, I'll unlock you immediately. Don't take it personally, it doesn't mean you aren't attractive, it just means you aren't my type and I don't want to punish you for that. If you send a picture and I do want to meet you, however, I'll tell you when and where we'll meet, you'll still be locked when we do, and after you see what I look like, you'll have a choice. I can either unlock you and we go our separate ways... or if you want to see how deep the rabbit hole goes, your chastity will remain under my control. Does that seem fair?

Little O: Yes.

Miss K: Good boy.

The thing that scared Oliver most wasn't even the timer he'd have after sending her the picture. It was how turned on he was. How desperate he already was to cum. He had just gotten off... and yet he had never felt this sort of need before. His cock was straining in its prison and there was absolutely nothing he could do about it.

One carefully crafted selfie later and the timer was up to a week and twelve hours. He didn't dare message again... but wasn't that just the perfect tease? All he could do now was wait and see how she responded... conflicted between his desperate need to cum and the realization that his heart would sink if the unlock button appeared and she was done with him.

A new message notification snapped him back to reality. It wasn't Miss K, though. It was his friend, Terry, in the texting portion of CFE.

Oliver flipped over to the social media app where his actual identity was attached to his messages.

Terry: Pizza at the rink with the guys?

Oliver looked at his locked cock. He flipped back to the chastity app. Miss K's picture was still there. That was a good sign, right? She didn't hate his picture at least... He flipped back to his texts. Sitting around all night wasn't going to change anything. Might as well go meet up with some friends to kill some time.

Oliver: Yeah, count me in.

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CHAPTER TWO

Khloe kept flipping back and forth between the picture of Little O and the app showing the timer on his chastity. The grin spreading across her face was as mischievous as it was filled with delight. Her app had five countdowns going at the moment. Each from desperate men who had been eager to give her control of their cocks... Little O was different, though. He hadn't known what he was doing... but didn't that make it even more fun? And it was his first time locked up too... oh, that turned her on.

Khloe held her finger over the unlock button for him. It was probably the right thing to do. Then again... She was curious to see how this would play out. He would never learn without repercussions, right?

There was a knock on the door.

"Yeah?" Khloe said. She was in the bath. It was where she unwound. It was also one of the few places she felt like she got time to herself in the house these days.

"Are you gonna be long? I just need my pit stick." a voice from the other side of the door said.

"It's fine, come in." Khloe said.

The door opened. Oliver blinked in surprise when he saw her in the bath. The bubbles covered her up but he clearly wasn't expecting it. "Oh, I... sorry. Why did you tell me to come in?"

"Oh stepbrother... I didn't realize you were into this sort of thing." Khloe said. She looked down at her phone. It was angled so only she could see it, but there was her stepbrother's selfie and the timer that gave her control of his cock for the next week.

"Don't be gross." Oliver said. He was trying not to look at Khloe but having a hard time.

"Oh, I'm gross?" Khloe asked.

"No. I mean, the stepbrother stuff. Don't be weird."

Khloe and Oliver's parents had married six months ago. It was a nice ceremony and both of them wanted their parents to find happiness, so it was a positive day for everyone. What they hadn't realized, however, was that while they were on break from university, 'staying at home for the summer' now meant moving into the new house their parents had bought. Khloe and Oliver really didn't know each other that well outside of a few family get-togethers and the wedding, and now they lived together. Just a bedroom apart like "normal siblings."

"But you are my stepbrother, and you're bursting in on me while I'm in the bath. I feel like I've seen this exact video before." Khloe said, smiling from ear to ear.

"I just need this." Oliver said, holding up his deodorant. "I'm meeting up with some friends at the rink."

"Oh yeah?" Khloe was still holding her phone on the side of the tub in a way where Oliver couldn't see the screen. The counter for his chastity was ticking down second by second. She couldn't help but think about his cock locked up under his pants... and he had no idea that it was her in control of it. Her other hand had moved under the bubbles and she was slowly circling her clit with her middle finger.

"Yeah." Oliver said. "Why... you want to come?"

"Oh stepbrother. You want to make me cum?" Khloe said with an evil grin.

Oliver inadvertently groaned a little. He quickly turned, clearly trying to hide his chastity bulge as his cock tried desperately to get hard. "Very funny." Oliver said. He left, closing the door behind him.

"Bye stepbrother!' Khloe shouted just before bursting into a fit of giggles.

This was going to be more fun than Khloe could have imagined.

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CHAPTER THREE

Oliver got back from the rink. It was weird being out with his friends while locked in chastity. He couldn't help but feel like they must all know... but of course there was no way they could. They had pizza, watched the roller-skaters circle the rink, played some games in the arcade, and then when the guys were headed out to the pub, Oliver had decided to call it a night. He was too distracted to stay out. He couldn't stop checking his phone to see if Miss K had unlocked his chastity or sent a message telling him where to meet her. She hadn't done either. If that wasn't bad enough, Khloe in the tub kept popping into his head... That stepsister stuff was never really his thing, but he was starting to get it. She was hot and maybe it was just because he was locked in chastity at the time, but her teasing him about them being stepsiblings had awoken something in him.

"I'm home!" Oliver shouted as he locked the door behind him. There was a note on the counter. His dad and Khloe's mom had decided to take a last-minute trip out to Khloe's family cottage. They'd be gone all weekend.

"Help Stepbrother!" Khloe shouted.

"Khloe? You okay?"

"No, I need help! I'm in my room!"

Oliver ran through the house, threw open Khloe's room, and saw her. Well... he saw her ass. She was wearing yoga pants and her head was under the bed. "Uh... what is happening?"

"I'm stuck, stepbrother." Khloe said. She started laughing.

"Very funny."

"I'm serious. I'm stuck. You could do anything you want to me." Khloe said.

"Stop it."

"You could pull down my pants and just stick that stepbrother cock inside me if you really wanted."

Oliver's cock was straining in its cage. She was obviously just messing with him... but her ass was perfect... and the fact that he couldn't even do the thing she was teasing him about drove him wild. "Yeah right. I'll be in my room." Oliver left.