We walked into her house and her parents weren't home so she led me to the master bedroom. She pushed me on the bed and said "When I come out, your co...k will be harder than ever before." Which turned me on immensely. About 10 minutes later she came out from the bathroom and my cock shot up to full length, 8 inches, and was most definitely harder than it's ever been. She walked out and was wearing a tight blue almost see through bra, with blue panties and black tights. I could feel my cum. The first hint Darlene got of the effect she had on her younger brother was hearing his muffled moans of, "Take it Sis... Take it!" She looked toward his bed, only fifteen feet away and saw him frantically pumping his hand up and down on his cockDarlene's hand slid down under the sleeping bag to her plump, young twat and she followed her kid brother's example. She'd been playing with her pussy ever since she saw Julie doing it almost three years ago. But it was a quickie for her and it didn't. "Aunt Grace?" I croaked."Yes honey, I'm here!"My Aunt Grace appeared above me. She was even prettier than I remembered her if not thinner. She had a look of despair on her face."What happened to me Grace?" I asked. "Where are Mom and Dad?"She looked up at the doctor and she suddenly looked crestfallen and then looked back at me."The doctor wants you to figure out what happened on your own, honey." How bad am I?" I asked."You're a lucky young man," said the doctor. "You have several cuts and. She saw his cock throbbing, it bounced upwards for a moment. She wanted to get fucked by it. Hard and rough and long. Yet she wasn’t done admiring it yet. She dropped to her knees and gave him a little kiss. A kiss right on top of the head. It bounced upwards again, and her professor let out a brief moan. She gave him another kiss and another an thousand small butterfly kisses all around the shaft and his balls. Then back to the tip, her tongue swirling around around the purple head, tasting.