Michelle's heart races as she watches her brother's cock grow harder with each passing second. She can see it pressing against his jeans, and it's all she can do to keep from reaching out and touching it. She's never had these feelings before, but the sight of his large, throbbing member has her aching to feel it inside her. She bites her lip, her pussy dripping with anticipation, as she waits for him to make the first move.