"Oohhh, it's.. OHGOD... it's not what it looks like Jenny... he's just a... OOOHHH YESSS... friend..." Marcus said, squirming on the black mans cock. 

Jenny transformed Marcus into a redhead in a fit of anger, over cheating on her.  Thinking Marcus would learn his lesson, she had sent Bill over to hit on him, not expecting that Marcus would actually allow it to happen.

"Marcus, if he cums in you, you'll stay like this permanently, you'll be a slut for the rest of your life, you have to stop NOW or it will be too late..." Jenny said, then stopping, seeing Marcus eyes widen and gasping for breath, then seeing the cum seeping out from her pussy as Bill's cock thrust in and out of Marcus soaked pussy.

"Well MARCIE, it appears that it is too late, I hope you'll enjoy being his slut, since you are now forever a woman..."