Lisa felt the need to pee. The moment she had been waiting for. A smile crossed her face as she removed her pajama bottoms to reveal a baby diaper around her waist. Even better the baby show she picked on the television was the same characters on her diaper. The brown haired seventeen-year-old slipped her thumb into her mouth and began to suck. Memories of how she ended up like this crept into her mind.
Last night she had babysat for a family with a seven year old that wet the bed. As she helped diaper the child for bed she couldn't help but wonder what it would be like to wear one herself. An hour after putting the child to be she snuck into the room and took a diaper for herself. Somehow she knew it would fit despite her age she had always been a tiny girl. Normally the teen hated it but in this situation it was perfect. After leaving the kids room she went into the living and slowly pulled her panties down while standing. Her dress made it easier. Next she sat on the ground as she put the diaper on herself. Odd feelings of joy filled her as she diapered it and it fit perfectly. She didn't have much time to react however as she heard the garage door opening. The parents were home! At that time she hurriedly pulled her panties on over the diaper and prepared to greet them. Sadly it was really late so she exhausted as she headed home. Soon enough she was back home and found herself in front of the mirror in her room smiling as she looked at diaper as she changed in pjs. With a yawn she drifted off to sleep.
Snapping back to the present she felt her fill the diaper in bliss. It felt warm and somehow she felt content as looked down at the diaper poking it. The diaper was easily filled with her urine and didn't come close to flooding due to her small size. The teenager wondered if she could get used to this. Soon she looked back up and...