"Oh, yes," she giggled, slipping the gown over her head.

She sat up in bed, naked, and felt a rippling thrill go through her as Robert stared at her naked body. Her tits were small, but so exquisitely formed they were flawless. She drew her knees up and let them fall wide, the tufts of her cunt hair gleaming in the lights. The lips of her pink cunt were pulsating wildly, and her clitoris was ready to burst, it was tingling so much. Robert slipped off his shorts, and Peggy gazed with burning desire at his cock. His cock was not nearly as large as her father's, she thought, but it was so beautiful.

Robert lay beside her, and Peggy sat with her legs crossed at his side, one hand manipulating his balls and the other stroking his cock. She watched the head of his prick swell even more, saw it start to drip cum from the piss hole. It burned between her tight fingers like a flame of devouring fire, and she loved it!

"I can't help myself," she whispered, jacking on her brother's cock. "I don't know why, but I seem to want it all the time, Robert. I wished I knew what was wrong with me."

"There's nothing wrong with you, Peggy," he said. He reached out and stroked her knee, then caressed her smooth inner thigh. "You just have a hot ass, that's all. Lots of girls have a hot ass."

Her face became warm. "Hot ass," she murmured. "Like this afternoon, huh? Why did you do it to me there, Robert? I've never had it that way, before."

He chuckled as his fingers toyed with the blonde fuzz of her snatch. "I wanted to fuck you in the ass," he said. "And I knew you'd never had a cocks in your asshole before."

"How did you know?"

"A guy can tell," he said, rubbing at her clitoris. "That's all, a guy can tell."

"You're teasing."

"Yeah, I am," he grinned. "I guess I fucked your ass because it was there, as they say."