Once I was satisfied I had cleaned Emily's front as much as I had her back—I was very thorough—I let my right hand drop back to her stomach, just above her pubis as I fondled her breasts some more with my left hand. Almost as soon as my right hand stopped on her stomach, Emily's hand shot out and grabbed my wrist. For a split second, I was worried I'd gone too far, but Emily quickly showed me I hadn't gone far enough. My wavy-haired younger sister parted her legs slightly and brought my hand to the small patch of pubic hair above her vagina. I wasted no time as...