Sandra moved her face in and planted a kiss on those juicy lower lips. She heard a loud, melodic moan emanating from above her somewhere. She smiled to herself. She forgot how good this felt. Being with someone who didn't see you as either a client or a meal ticket. She licked around the outer lips for a bit, then sucked the lower lips into her mouth. With those fleshy bits captured, she started to hum.

"Oh God! That feels wonderful!" Shannon said.

'Hmm,' Sandra thought. 'Stutter's gone.' She hummed again, then began licking again. She pinched the fleshy outer lips together, then stuck her tongue between them like a...