As Dan and Kat watched, one in horror, the other in devilish amusement, Brenda began scratching herself. "It itches!" she complained. "Kat, what did you do?"
Kat grinned. "You'll see..." she giggled. Brenda lifted up the hem of her shirt, revealing a midriff covered in red fur. Screeching, she pulled off her shirt and watched as the fur climbed up her chest and under her bra.
As the fur moved up her neck, Brenda got a funny look on her face and reached a hand into her pants. In a couple seconds, she fished out a long, bushy tail. Beginning to realize what was happening, she lunged at Kat, but was knocked back by a force she couldn't see.
"Ooh, scary," Kat mocked. "Remind me to come up with something meaner when you're done, just for that."
By this point, Brenda's entire body was covered in fur. Her face pushed out and formed into a muzzle, her ears moved to the top of her head and became pointed, her feet became digitigrade paws, and her fingernails and toenails reformed into claws. The change was finished.