"Haha, good point mom." Stephanie said. "Let's see, what do I want to do..."
"Well, what have you alway's wished to happen?"
"Hmmm...I know what I want now...I want to make Jeff here support a little more if you know what I'm saying" Stephanie said.
Their mom goes, "How much bigger honey?"
"Well, that I'll let you choose, but definatly bigger than a C cup, since it won't be permament."
"OK"
Then Stephanie feels the zap of the emitter and looks down to see her breasts begin to push against her brother the bra. They grow forever and then...