Chapter 4 The morning after Mandy's graduation, she woke up early and yawned and stretched. When she remembered all the good s*x she'd had the night before, she smiled and slid her hand down her belly to her crotch. "Wow! I got f****d until I couldn't come any more," she said to herself. Just thinking about it made her p***y juices start to run, and she slid her finger into her slit. "In fact, I need a good hard c**k for breakfast!" Mandy got out of bed and slipped down the hall to her brother's room. He was sleeping on his back. Mandy pulled the covers down to his knees and started tickling his soft c**k and balls with her fingertips. Soon his d**k was standing at attention, and she leaned over and kissed the red tip. Robert slowly opened his eyes. "Good morning, baby sister. Looks li