"What animals do you like?" The rabbit asks.
"Horses, I suppose..." You reply.
"Okay, we can do that."
Within moments, a fourth girl has appeared. Her skin is the same smooth latex as the others, although she is a chestnut brown. Her face extends (not unnaturally) outwards into an equine muzzle, her thin material ears point upwards and thick hair making up her mane and tail. Her hands are plastic hooves.
She walked towards you seductively, moving around you swaying her wide hips, a site you cannot distract your gaze from. She positions herself behind you and bends over your shoulder.
"Hey there..."