He felt the pee soaked into the diaper starting to soak into his own skin, while it also dripped onto the floor. He could tell that it was at it's limit, and that the girl wasn't in the best situation for if she stayed in it.
So, he stood up, bringing the girl in the air. He noted her confused look immediately, before a look of wonder as he walked over. There wasn't a changing table; He had to use the floor.
He took a moment to scan the room, seeing a pile of diapers nearby. Walking over, he grabbed one out. The movements were causing her to bounce, which attempted to stimulate his still-trapped penis.
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To the girl, she was just floating, as things around her floated as well. She couldn't see an explanation, so she sat there, confused and wondering what was going on.
Then she was forced onto the ground, her skirt lifted up. The diaper she was wearing got torn off, revealing her small, stuffed Vagina, a dildo sticking straight out. The sheer size kept her in slight pain to keep it in, but she was comforted by it.
As wipes came in, cleaning off the area, a diaper was slid underneath her. It was taped up, and perfectly fresh as the powder was applied. This mystified her, as she hadn't seen this before.
As the change finished, she was lifted into the air as the soaked diaper was thrown in the trash. Then she fell down, landing on her feet.
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Jeff had some troubles getting the diaper on; For him, it wouldn't fit, but to anyone else it would.
As he let her down, seeing her wobbly at the sudden drop, he chuckled. The girl heard it, and seemed spooked as she turned, swinging Jeff around.
Though, as the girl went on for a bit... Jeff tried to think of where he knew this girl.