It's slumber party time. Sam is understandably nervous as she heads out, especially with Issy bringing a diaper bag along. Will Sam be able to keep her embarrassing secret hidden or will this be like elementary school all over again?

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Commissioned by: diaperboy187

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That evening was a blur of worry for Sam. She packed a small bag with pajamas and a change of clothes but constantly looked into the mirror behind her. The diaper under her pants felt so obvious. Even if they were the thinnest she had they still made her butt stick out far more than was normal. When Isabelle called her down Sam tried to think of any last minute excuses for why she shouldn’t go to the slumber party. She came up empty.

“All ready?” Isabelle asked as Sam carried her bag down the stairs, “Got everything you need?”

“Yeah, I…” Sam stopped when she looked up and saw a familiar bag over Isabelle’s shoulder. It was one she had hoped never to see again, “What the hell are you doing with that!?”

The long pink bag was obviously meant for a baby who would need diaper changes. It was a bag Sam recognized as being used in the earlier parts of her “re-training”, the bag Isabelle always kept with her when they were out of the house. Now it had been brought out of retirement.

“It has everything you need.” Isabelle said simply, “Powder, wipes, cream and diapers.”

“But… it’s a DIAPER BAG!” Sam exclaimed.

“I’m going to leave it with Becky’s mother.” Isabelle said shortly, “I phoned ahead earlier and she confirmed she would be able to take care of everything.”

“Oh my god, this is so embarrassing.” Sam hid her face behind her hands.

“You’ll be fine.” Isabelle said, “Now come on, you don’t want to be late.”

The drive was nerve-wracking and the nervousness was not helping Sam’s control. As she fretted about all the potential ways everything could go wrong she felt her bladder trickle urine into her diaper. She was so anxious that her bladder had seemingly reverted back to how it had been before all the training had started.

“You’re going to have a great time.” Isabelle said as she looked in the rearview mirror.

It didn’t matter how many times Isabelle said that it didn’t make it any more believable to Sam. She was certain that sooner or later her secret would be found out and it would be all over for her. As she panicked she started thinking wildly about whether any of this was right for her. If she couldn’t handle something like a little sleepover with friends then maybe she should just give up and accept that she’d be a baby forever after all.

“I believe this is the place.” Isabelle said as she stopped the car.

“I feel sick.” Sam said as she looked out of the window.

“You’ll feel better when you get in there.” Isabelle replied.

Sam got out of the car with a lot of hesitancy and slowly walked to the front door of the house where Isabelle was already ringing the doorbell. It was a nice neighborhood but as footsteps approached the door it was all Sam could do to not turn tail and run away as fast as her waddling legs would take her.

“Sam, great to see you!” Becky’s mom opened the door with a big smile, “I hope you found us alright, Isabelle.”

Becky was holding a baby, Becky’s younger brother, who was sucking on a pacifier and looking around at the strangers with a sort of bemusement only babies could have.

“I did, thanks.” Isabelle stepped over the threshold and Sam followed her in.

“The girls are upstairs in Becky’s room.” Becky’s mom said to Sam, “Feel free to head on up.”

Sam nodded her head but looked back at Isabelle. It wasn’t until she got a small encouraging push in her back that she started to walk inside with her backpack. She went over to the stairs but instead of going straight up she stopped just out of sight and listened to the grown-ups.

“About what you told me earlier on the phone…” Becky’s mom started in a low voice.

“It isn’t a problem, is it, Nikki?” Isabelle said.

“No, no, not at all.” Nikki said. There was a pause, “I was just wondering if she wasn’t capable of changing herself?”

“We’ve tried that but she hasn’t quite got it down perfectly yet.” Isabelle said, “Quite honestly I wouldn’t trust her not to leak.”

Sam scowled from her hiding place just out of view. Sure she wasn’t as good at changing herself as the adults but she bristled at the words Isabelle chose. It was only a few seconds later that Sam realised she was getting into the bad habit of not counting herself amongst the adults.

“We had some problems with Becky semi-recently.” Nikki said, “So I’ve had some practice in the not too distant past… but Becky was able to do it herself pretty quickly. She seems to have come out of that phase now though.”

“Well, Sam is a bit smaller than most girls her age.” Isabelle said, “She still struggles with it all...”

“It’s fine. I shouldn’t be prying.” Nikki interrupted, “You don’t need to worry. I can handle everything.”

Sam had heard enough. She crept upstairs slowly as thoughts swirled around her head. Apparently it wasn’t so long ago that Becky had some problems that required protection, Sam wondered if the other girls knew. Sam was also now pretty certain that Nikki didn’t know she was actually in her twenties just from the way Nikki had spoken.

As Sam crested the top of the stairs she heard high-pitched laughter and found the thoughts about the grown-up conversation downstairs disappearing. She felt a huge mixture of emotions. For a start she was excited to spend time with her new friends but that was heavily colored by feelings of shame. She was an adult, she shouldn’t be in a position where she was having slumber parties like this. The anxiety that was ever-present seemed to grow as she approached the door. Keeping her diapers hidden sounded like a very difficult task.

Once outside what she assumed must’ve been Becky’s bedroom door she hesitated. It felt like it was the last chance she had to turn around and run away. However as she looked back towards the stairs she heard Isabelle and Nikki saying goodbyes and a second later the front door opened and closed. Sam gripped her bag tighter. She was alone.

Sam reached up to the handle that was just above her head and pulled it down. The door swung open to Becky’s bedroom. It had a curious look and Sam almost immediately recognized the familiar décor of a little girl’s bedroom that had formerly been a nursery. The walls were still pastel pink but the rest of the room had been altered. Instead of a crib there was a regular bed, instead of a changing table there was a desk with a television and computer on it and instead of a potty training chart on the wall there were posters of boybands. It all looked perfect for a young girl but Sam could see where the changing table used to be, she could see the white shelves that were now filled with books and random trinkets that would’ve had changing supplies…

“Sam!” Becky squealed excitedly as she jumped up off the floor and practically launched herself towards Sam. Just as she was expecting a hug the beaming young girl pulled up short, “I’m so glad you made it!”

“Hi.” Sam said a little awkwardly as she stepped into the room and Becky closed the door behind her.

“We were starting to think you were going to flake out on us.” Caitlyn said from a beanbag on the floor as she flicked through the pages of a teen magazine.

“No way!” Sam tried to mask her anxiety with a smile.

“We’re about to watch a scary movie.” Becky said with a cheeky smile, “But don’t tell mom. She still thinks we’re children.”

“You are chi-…” Sam stopped herself before she gave too much away, “Cool.”

Sam sat on the floor next to Caitlyn as Becky brought out a DVD she had taken from her mom’s collection. As it started up the screen showed a sinister looking house with a tree in the foreground, a tire swing moving backwards and forwards gently in the breeze. Sam felt a little uneasy but told herself it would be fine. How scary could it possibly be if these teenage girls were watching it?

“Right, let’s turn the lights off and get the snacks out.” Becky said as she flicked the switch leaving the room lit only by the television screen. Becky sat herself down next to Sam.

“Do you want some?” Caitlyn asked from Sam’s other side.

“Hmm?” Sam turned to see a bowl of popcorn being held out, “Oh, thank you.”

Becky hit play on the DVD main menu and the film started up. Sam actually found herself relaxing a bit more. With the room dark and the volume on the TV quite loud she actually felt like her diaper was less noticeable than at any point since she had walked in. The bowl of popcorn was kept in easy reach and she helped herself to some more as the opening scenes started.

At first Sam joined in with the other girls making little comments and laughing at what was happening in the film. However it wasn’t long until Sam was feeling very tense and anxious by the strange ghostly apparitions on the screen. She’d always had a weakness for scary movies and she hadn’t thought about how her enforced regression may have affected her in that regard. So whilst the others continued having a good time Sam found herself increasingly scared.

“Are you alright?” Becky leaned in and whispered to Sam.

“Y-Yeah.” Sam stuttered in reply.

“We can turn it off if you’re scared.” Becky continued.

“I’m fine.” Sam said with a weak smile.

It was sweet of Becky to offer but Sam felt even sillier. The other girls were sitting and enjoying the movie without being so scared but she was the one feeling terrified. Becky gave Sam a pat on the back and turned back to the film. Sam was just hoping the film would end sooner rather than later but the longer it went on the more the tension seemed to ramp up until even the other girls were looking a little scared. None of them wanted to be the first to suggest they shut it off though.

Sam thought the worst of it might be over when the main characters had escaped the house and were driving away. She was just breathing a sigh of relief when the monster popped up suddenly from the backseat. The scare made all the girls scream but for Sam there was a much wetter reaction. As she screamed and hid her face behind her hands her bladder released and she flooded her diaper.

As the other girls started giggling at their reaction Sam felt the fresh warmth blossoming in her underwear. There was no way she could ignore that she really needed a change now. As the main characters finally defeated the monster and got away for real Becky turned the light back on. Everyone excitedly started talking about what they had seen as Sam stood up and felt her soggy padding sagging between her legs. She started walking towards the door.

“Where are you going?” Chloe asked.

“I… I just need the bathroom.” Sam replied as she reached up and pulled on the handle.

“Me too.” Caitlyn said as she stretched and walked across the room.

Sam started walking down the hallway towards the stairs as Caitlyn walked out behind her.

“Erm, Sam?” Caitlyn said, “The bathroom is this way…”

“I’ll… I’ll use the one downstairs.” Sam said. Her cheeks were turning red but she did her best to act normally as she hurried down the top few stairs. Her legs waddling thanks to the thickness between her thighs.

“There isn’t one downstairs…” Caitlyn muttered as she frowned.

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