His eyes popped open and his head shot up as he lifted himself to his elbows. Sarah was at the foot of his bed, his rock-hard cock in her mouth, her eyes locked on his.

"Damn it, Sarah," he said, and put a hand on her head in the beginnings of an attempt at pushing her off.

She grinned and gently exposed her teeth against the skin of his dick, causing him to freeze.

"You wouldn't," he said, shocked at his eldest sister.

Pulling her brother's cock almost out of her mouth, she smiled and winked at him. "Try me, stud," she said, and pulled him right back into her...