Stepsister’s Losing Bet – Jerking Off Her Brother’s Big Cock

She thought she’d never have to pay up, but her stepsister lost that bet fair and square. Now she’s on her knees, staring at his massive erection with a mix of fear and curiosity. Slowly, hesitantly, she wraps her small hand around his shaft, stroking it gently. As it grows harder, she picks up the pace, determined to make him cum