SINFUL FANTASIES
He hesitated, his gaze dropping to my exposed pussy, the lips swollen and pink from Isabella's attention, and I saw the bulge start to form in his boxers, his cock twitching visibly as he swallowed hard, Adam's apple bobbing.
Inside, my mind was a whirlwind, excitement at his reaction, lust making my thighs clench to trap the ache, a dirty thrill at pulling him into our secret, knowing once he crossed this line, there was no going back, we'd all be tangled in this filthy web of family fucking.
"We were just... playing, and we want you to watch. Or join. Come on, stepbrother, don't pretend you haven't jerked off thinking about us."