Scott adjusted his glasses and pointed at the labeled pink fat pussy spread wide on the coffee table. Stiles’s white thighs were still trembling slightly from her earlier orgasms, her plump outer lips shiny and swollen, a fresh trail of slick slowly dripping down to the table.

“Next, we move to the most important part — the vagina and its lubrication response,” Scott said in his calm, nerdy professor voice. “During arousal, the vaginal walls produce natural lubrication to reduce friction and prepare for penetration. Derek, watch carefully.”