It's in there, somewhere...somewhere deep between those luscious cheeks. You grip her hips tightly, her soft, wet rat fur slipping between your fingers. She looks back at you with a grin and wiggles her cute little rat toes. You've got her tail pinned between your legs so it doesn't keep smacking you in the face, but it flutters and undulates a bit as if it wants to break free.
You can't imagine any place you'd rather be...