Shrunk Inside

Shrunk inside

(Disclosure) To anyone who reads this I'm not a writer so there will probably be a lot of punctuation and spelling mistakes mainly because I did this on my phone and I have big hands and mild carpal tunnel (comment and let me know that if you like it and have tips and other story ideas for me to do)

(GF=Girlfriend)

(STS=Stepsister)

I was just in my room bored and waiting for my girlfriend to get back from her business trip and she said she was going to be back tomorrow. While I was laying there my stepsister walked in and told me she was going to take a long nap (my stepsister is our roommate because she had nowhere else to go). After about an hour I started to get really horny but my phone was dead so I went to the dresser to see if I could find a picture of my girlfriend or like a Fleshlight but besides clothes there was the gadget bracelet that I got a while ago that was a size bracelet.

I put the bracelet on and I turn it on and on the screen it says tutorial choose a body part, I then look at it and of course I'm going to choose my penis. So then I click on the button and it says (remove clothes if no space transformation will not commence). Then I take off my clothes and click continue and it gives me a menu that has measurement preference and I click inches I then press it and it gives me a thing to put any number in and I get a big smile on my face and I type in 25 inches and enter and i start feeling a stinging it says it will take 30 seconds before another transformation and I look down and I see I have a giant 25 inch penis that reaches past my knees and I'm in aw.

I then press the reset button worried that my stepsister would come in and see, I then look at it and there is a setting for "whole body" and I start to get a crazy idea, my stepsister always sleeps completely nude and she is a very heavy sleeper.

Thinking about it I then decide to do it, I stay completely naked and I walk to her room and see her face down into her pillow and her ass completely exposed, I then get on the bed and stand right above her ass I type into the bracelet half inch and enter then all of a sudden I'm falling and I look down and I'm falling right toward her ass. I then fall right between her ass cheeks and they look like 2 big hills and I look down at my bracelet and it says 3 hour cool down until next transformation and I realize I'm stuck a half and an inch for 3 hours so I decide to explore my stepsisters body since I'm stuck like this for now. I then make my way down to her asshole, I get there and I look at her asshole and I go over and touch it and try not to fall into her asshole. I start to hear something and I turn around and see her hand coming my way and I think she saw me so I jumped out of the way and she started scratching her asshole but as she started to pull away she ended up flicking me in the air and while I was flying through the air she ended up flipping over showing her tits and she was still dead asleep.

When I came back down I landed right on her right tit right next to her nipple and when I stood up and it felt like I was on a giant soft water bed. I walk over to her nipple to get my balance and when I get to it I get interested so I start rubbing her nipple and I start hearing her moan and I think it is really hot so I do it more, then all of a sudden her hand was heading towards her breast so I run and jump off her tit almost getting crushed. I decide to make my way south and I get through her pubic hair and I finally get to her pussy and I rock climb my way down to her entrance and make my way in and it is really tight in her pussy but enough room for me to get through and I make my way all the way through until I reach the entrance to her womb and I realized it's probably not a good idea to go any further I don't want to get stuck.

I start heading back out when I start to hear something so I get to her entrance and I get stuck in something but I can see the outside world. I can see the door from where I'm at and all of a sudden the door opens and it's my girlfriend and she goes and wakes up my sister and my (GF) says, hey do you know where my boyfriend is. My (STS) says, I don't know i told him I was going to take a long nap he probably went to his friend's house for a while he looked pretty bored, (GF) well I was going to surprise him. (GF) Hey since it's just us here do you want to have fun I got this cool new gadget that would be interesting to try out, (STS) sure, my girlfriend starts taking off all her clothes and she puts the gadget on her wrist and she turns it on and a giant 12 inch cock grows off of her, (STS) holy shit that's amazing, (GF) hey I got it for a hundred bucks so do you want me to warm up you pussy, (STS) OMG yes I have been super horny. I start to see my girlfriend's face start to come towards me while I'm still in my stepsisters pussy so I start panicking trying to get unstuck and I try to scream to get my girlfriend's attention but she can't hear me and I'm probably too small for her to see.

I watch as my girlfriend plunges her tongue into my stepsisters pussy and I end up getting pushed around her pussy, several minutes go by and she pulls her tongue out but I am stuck to it then she goes over to my stepsisters face and starts making out with her and I am swapped back and forth between there mouths and I fear I'm going to get swallowed by one of them. Im on my girlfriend's tongue when she pulls away and I fall out of her mouth and I land right on the tip of her cock right where urethra is and stuck in the precum, I try my best to get free but I have no luck and I try to yell for help and I look up and I see my stepsisters face and I think she heard me but I was wrong she started to open her mouth and I am plunged down her throat stuck to the tip of my girlfriends cock hoping she doesn't cum so I don't get swallowed by my stepsister.

For a while im pushed she deep into her throat and finally my girlfriend pulled her cock out of her mouth and I think it is finally over but then she rammed her cock in and out of both my stepsisters pussy and ass. My girlfriend starts focusing on her asshole and eventually cums in her ass shooting me deep in her asshole and she continues to cum more and more and it feels like I'm swimming in a river of cum struggling to keep my head up. What feels like an eternity they finally stopped and I'm swimming there and the gadget on my wrist tells me the cool down is done but no room to grow and I think I can finally get back to normal but I need to find a way out of my stepsisters cum filled asshole.