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Kelly probably should have just kept her big mouth shut. For what felt like so long now she had been caught under her stepmother’s thumb ever since her stupid Dad had decided to marry her two years ago. Little by little, her stepmother started to change little things... so little they seemed inconsequential at the time... but more and more changes continued happening.

Then, she started making rules for Kelly. She suddenly had a curfew, something she’d never really had before. And she even, despite her age of 18, had a bedtime!

Stepmother would enter her room every night, without knocking, at 10:30 and if Kelly wasn’t already in bed or getting ready for bed she would get another angry lecture. Kelly tried to bring up her concerns to her father; she’d tell him how it was totally inappropriate the way she was being treated, but he was always busy and always at work instead of at home. Whenever she could manage to even get a minute of his time he’d always just say, “Kelly, just listen to your Stepmother.” And then walk away. Kelly could only assume that all this was coming from the fact that her Stepmother had never had a chance to have a child of her own, but this was getting ridiculous.

It wasn’t long before Kelly’s Stepmother started taking things further and further. She started strictly driving Kelly to school instead of letting her take the bus with her friends so she could ‘keep an eye on her’, she started choosing some of the things that Kelly was allowed to wear and consistently began removing things she deemed inappropriate for “her daughter” from Kelly’s wardrobe without even asking her, and she even began to go so far as to changing the decorations in Kelly’s room! One day the girl got home from work to find her Stepmother had had painters change her room from the dark purple color it had been to a cutsie bright pink!

“It makes your room so much more inviting. Much more appropriate for a young girl like you.” This was the only explanation her Stepmother offered her when she angrily insisted on an explanation. Kelly tried to get her Dad on her side once again, but it led the trio into nothing but the line Kelly had been waiting for, the one that she knew she couldn’t fight against:

“If you don’t like it, you can get out. As long as you live under our house, you’ll follow our rules!” At that, Kelly knew she was defeated. They were right. There was nowhere she could go. She couldn’t afford to move out, and was stuck in this house whether she liked it or not. And she most certainly did not... especially after what happened next...

Her Stepmother had gotten onto a health kick and had brought Kelly along with her. Despite the 18 year old normally being used to cooking all of her own meals because her Father was always home late from work, her Stepmother started insisting that Kelly stay out of the kitchen and that from now on she would be cooking all of her daughter’s meals for her. This infuriated Kelly, but it was just another one of her Stepmother’s crazy rules that she could either accept or get in trouble for trying to go against.

Her Stepmother’s food wasn’t... bad; but it definitely had a bit of a strange taste to it. A foreign long lasting flavor that she couldn’t place no matter how hard she tried. She wondered if the food wasn’t agreeing with her, because by the second night of her eating it... disaster struck the next morning!

Kelly’s alarm clock awoke her to a very peculiar feeling underneath her sheets. “What the hell...” She muttered out and gasped as she discovered a horrible sight. Her bed sheets and her panties were soaking wet! She had peed herself in her sleep! “Oh my god...” She mumbled. “What the fuck..?!” How could this have possibly happened? She thought. She hadn’t had an accident in her sleep in... well, forever as far as she could actually remember!

Kelly was left staring at her lower half as her Stepmother, like always, walked in without asking. “Oh my goodness dear!” The woman said surprised. “What is this?? Did you have an accident sweetheart?” Kelly quickly tried to cover herself and insist that this was just a mistake, she spilled a glass of water obviously... nothing more than that. (Though admittedly the excuse sounded lame even to her.)

Kelly’s Stepmother pulled her out of bed and gave her a small smack on her damp pantied butt for lying. “Now go clean yourself up! I’ll take care of this. Oh little girl, there are more changes in your future.” Kelly was horribly embarrassed not only at what she’d done, but also at the fact that her Stepmother had called her a Little Girl, something she’d never done before. She hurried off to take a shower, hoping that she would maybe let her off with a warning...

*****

Kelly had been hoping that she’d get a warning, but instead what she received was a change in lifestyle. After her first accident, her Stepmother had shocked her that night with a package of adult diapers! Kelly had been furious and screamed at her and after a lengthy argument, her Stepmother finally said, “Fine fine... if you want to insist so much that you’re a big girl and not a little panty wetter, then I’ll give you a single chance, but that’s it.” She told Kelly that she’d let her sleep in her panties that night, but if she had another accident in the morning she would agree to wear the diapers for the foreseeable future.

Agreeing to it made Kelly nervous, but she knew she’d gone at least fifteen years without wetting her bed. What was one more night, right? Wrong.

To the 18 year old’s horror, she woke up the next morning with a totally soaked bed, even more than the first morning. Suffice to say, Stepmother was not impressed.

After Kelly’s shower she forced the girl to lay down on brand new sheets and quickly had the young woman diapered up. “I thought I only had to wear them to sleep!” Kelly shouted out. “I can’t wear these to school!” Stepmother only laughed at her as she finished putting her diaper on.

“You assumed I only meant to sleep in, all I said was ‘for the foreseeable future’, hehehe.” Kelly’s heart sank as she heard that. “Here babygirl, I brought something that might help my little one feel a little more grown up.” She then pulled a pair of panties out of her pocket. It was a pair of Kelly’s old ones that had been discarded and confiscated from her weeks earlier as they had been deemed too slutty. Stepmother reached down and pulled the lacy panties up Kelly’s legs and put them over the diaper in an almost comical way to tease her with them. “There you go,” Stepmother giggled at her. “Now you can pretend you’re a big girl.”

She walked over and got Kelly’s phone and handed it to the girl. “Now, I want you to text your father and apologize to him for soiling his sheets twice in one week. I want you to send him a picture of your new... pajamas, and insist that it will not happen any longer.

Whimpering to herself, Kelly knew that she had no choice in the matter as she did everything her Stepmother said. As she sent the whole message to her Father, Stepmother insisted she send him multiple photos.
The older woman smirked as she watched Kelly work. The drugs she'd snuck into Kelly's food portions were only the beginning. It wouldn't be long before she started having accidents during the day too. If this girl wouldn't be her baby by choice, she get her to be hers one way or another...  

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Special thanks to UKDiapergirls for allowing us to use their images.

UKdiapergirls.com for more ABDL pictures.

This story was written by Zander Chesney

You can find more of his content here :

https://zanderchesneyoriginals.tumblr.com/