"Cissy..." I softly moaned, the desperate plea made all the more tangible as a fourth finger filled me. I was tight, full, and accepting her inside me. My thighs quivered from the onslaught, and waves of pleasure were threatening to crest and crash upon each other. Narcissa kissed me as her thumb found my sensitive spot. She pulsed in and out, going deeper with every thrust as her thumb tortured my swollen clit.