Jeff remembered when Diana kept him on as a diaper for a while. He did enjoy being her diaper, however there were way too many close calls where he thought he was done. So, just as a bit of payback for that, he chose her. He ran over to her feet; When he looked up, he was indeed correct when he suspected that she still wanted to wear them under her panties. So, he quickly climbed up her leg; She seemed to notice, but ignored it at first.
By the time she tried to do something, he was already crawling into the space between her floral panties and her diaper, where she lost him; Due to Megan nearby, she couldn't expose her diaper to look there. So there he hid, until she seemed to forget about it. That's when he decided to crawl into the diaper itself.
Although he had a bit of difficulties squeezing in, he eventually made it into the snug space. He had to admit; Although as the diaper itself, he enjoyed it being a bit small for her, it was far more annoying now that he was going inside the diaper. He could tell she was currently walking; Probably to her room to check what crawled into her underwear. "Heh, as if she'll find me."
================ Diana POV ================
Diana entered her room after feeling something running around in her underwear. (If there's a spider in my diaper, I'm going to SCREAM!)
However, when she goes to check, she finds a naked 5 inch tall human hiding in her diaper, picking them up to investigate she discovers it her older brother Jeff. She considers what to do...