The teeth, and the fingertips brushing her asshole nearly make her cum then and there, and the second nip pushes her<em>right</em>to the edge, but inevitably leaves her hanging.  She vaguely hears her, but more importantly<em>feels</em>the finger tracing her ringpiece, which drives her wild, keeping her right at the brink of things.  The feel of her slick, wet tongue though... makes her cry out loudly, body tensing, hands squeezing her tits quite hard, and her sex sopping wet to the point that it was dribbling out, down her taint, down to the crack of her ass and down to her asshole.<br/><br/>"Your tongue!  Sweet Shelyn, your<em>tongue</em>!" she cried out, halfway to ecstatic "Lick my ass, girl!"<br/><br/>One hand would go to her sex, to rub it furiously as she shifted to let Tirish get to her rosebud more easily, intent on getting herself off finally with the aid of that lovely tongue spearing her between her two luscious, dark cheeks.  Shifting and bucking slightly, all it would take was a bit more pleasure and she'd be cumming<em>furiously</em>...