"Oh hell no! I'm not gonna use that diaper!"
Betty ran to the bathroom, but Jen ran after her, and touched her leg, then she closes her eyes. She imagines having her head near Betty's and her own hands will be near the pussy. Then she opened her eyes. She pulls down the panties, and puts it on her.
"Please don't conjoined sister."
Then she touched the diaper, and closed her eyes, and imagines her as the diaper will the sense of feeling inside the diaper, and having eyes in front of the diaper, and that the diaper was locked on her, until she uses it. Then she opened her eyes to be covered by dark pants, and she can feel skin.
"Wait, why do I have to use the bathroom?"
She goes and sits down, and starts peeing, which Jen can feel. Then Betty took a big turd, which made Jen arouse. Then she went in the bathroom, took Jen off, cleaned her ass, and threw Jen in the trash can. She infuses, and sees Betty.
"Thanks Jen, but I need to be a test subject on what?"
"Uh, just forget it."
"Well thanks Jen, I really appreciate it."
"No problem, Betty, now let's drive you home."
Jen and Betty get to her car, and Jen transfuses it. Then she drives Betty home.
"Thanks again, Jen!"
Then Jen drove off to...