"Number two" said Karyn. "What was that?"
"Head swap" said Jon, and suddenly there was a flash of light. Jon looked up. He saw Karyn in front of him, but now her head was perched atop his body. With horror he looked down at his own figure. He saw a pair of breasts on his chest heaving as be breathed heavily.
"Oh my god! I've swapped heads with you!" said Karyn, as she too realised what had happened.
"This is very weird!" said Jon, wiggling his chest and admiring his new bust.
"Hey," Karyn replied, "How do you think the rest of the world has changed?"
"Let's look," and Jon opened the door and went outside.
