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The wife (we’ll call her Nicole in this story) and I have been together for the better part of a decade and playing with chastity for the last few years. Most of the time it’s just been for a few hours here and there or maybe even a full day if she feels adventurous. During these years we have been through a lot and decided to hold off on having children until the timing feels right, successfully using numerous forms of birth control along the way.

Recently we were surprised to learn that my wife’s sister (we’ll call her Amber) is pregnant, which is was something that at one time didn’t seem efficient. Upon learning of this news I could see a visible change in my wife’s demeanor and over the following days she quietly brought up the topic of having kids and mentioned that her ovaries were going absolutely insane, maybe it was time to begin a family? The only issue was that she had a lifelong promise with her sister that they both wouldn’t get pregnant at the same time as to detract from each others experience and attention. Like most siblings they grew up being competitive and all the time attempting to outshine the other in whatever they were doing, but as adults they vowed to put that apart when it comes to essential life events.

Apparently Nicole had another talk with Amber about this recently and they reaffirmed the promise. During that conversation Amber jokingly suggested to have my junk locked up in some way (as a form of extreme birth control) until she’s had her baby just to be safe, to which Nicole nervously laughed. These two distribute everything and have some sort of sisterly bond or ESP so Amber could tell something was up and asked Nicole to “spill it”. Without further hesitation she told Amber all about our little chastity kink and how we have a new resin cage that is designed for extended wear, but we haven’t had an opportunity or reason to really test it out.

At first Amber was understandably confused and amused that this was something we were really into, but then she asked if was legit, how it all worked and if it could really be done safely for the next 8+ months. Nicole said that she would talk with me about it and get back to her later.

That afternoon Nicole came home and was in an unusually playful mood. She told me she wanted to talk about something and asked me to lay down on the bed. She unzipped my pants and pulled out my cock then started to fondle is sensually. While doing this she brought up the conversation with her sister and the new “form” of birth control they discussed, and shyly asked what I wondered about it. Rather shocked, I mentioned that it sounded interesting and would be new territory for us, that we’d have to take certain precautions but it’s entirely plausible. Before I could even say more she decided to sweeten the deal and promised that I would be given “free time” as needed and that she would surprise me with random blowjobs and handjobs if things went well. Also that I could use my tongue, fingers and other sex toys to pleasure her in new and exciting methods. She also mentioned that after her sister has the baby she may be ready to take that next step and begin a family.

After getting me to the verge of orgasm multiple times, she asked if I wanted to move forward with this and I gave an astounding YES. She asked me to say it again and took a video on her phone as proof. She then gave me the biggest orgasm of my life, grabbed a wet wipe to clean up my cum, picked up the cage and quickly slid it on me. Before I could say or do anything she snapped a pic and sent it along with the “yes” video to Amber via private messenger with the caption “it’s done “. Still recovering from my orgasm I was partially mortified and also unbelievably excited by how quickly my life had changed and what was to come.

Amber responded quickly with an “OMG” and then a few minutes later she exaggerated by saying how crazy this is, that she appreciates us going the extra mile for her and that she’s “here for all of it”. Nicole replied saying that she had another surprise for her and that we would be over to her place shortly.

After cleaning up and regaining composure, I got dressed and we headed over to Amber’s place. I had been out in public with the cage before, but never with anybody besides my wife knowing I was wearing it. When we arrived at her place we walked in the door and greeted each other like usual, but I could see a devious grin on Amber’s face now knowing our little secret. Amber was not discreet about looking me up and down to see if the cage was noticeable or if I was actually wearing it. My wife then took a key out of her purse with a gold necklace attached to it and handed it to Amber. “What’s this?” She asked…Nicole replied “what do you think it is?” Both had menacing grins and Nicole asked if Amber wanted to see it in person. Both looked at me and I blushed, but then nodded to give the ok. My wife then unbuttoned my jeans in the middle of the living room and pulled them down to my ankles. There it was, my caged dick in a black resin cage for all to see, it was no longer secret. They both giggled and her sister quickly tested the key to see if it worked…it did. Amber was giggling at how small the cage was and how I was able to fit in it so well. With all of this attention I was unintentionally straining hard in the cage, which only caused them to giggle and tease it some more. “Does it hurt?” Amber asked “Only when I’m excited” I responded.

“Looks like this is your life for a while so you better get used to it and keep things under control” Amber chuckled, “yeah” I said nervously, to which my wife replied “you’re gonna love it, don’t even pretend otherwise”. Nicole then told Amber that the key was hers to keep until her pregnancy is over, and that as a keyholder she now has many privileges, and that I will be responsive to any of her needs as long as she has it in her possession.

After comprehending what just happened I got dressed and we headed back home. On the drive back my wife kept glancing over at me and mentioned how she’s glad that I’m being supportive of this unique endeavor. “This is definitely going to be a trying time” I chuckled. “Oh it will, but i’m sure it will also be VERY rewarding for us now and in the future” she said gleefully. Looks like I’m gonna be locked and subservient for a while, wish me luck!

NSFW: yes

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