Forbidden Frisson in the Closet

Michelle's curiosity piqued, she watches her brother masturbate in the bathroom, his thick cock throbbing in his hand. Unable to resist, she joins him, her fingers tracing the lines of her pussy, legs spread wide. Their eyes meet in the mirror, the tension palpable. They're about to cross an invisible line when a sudden noise outside the bathroom freezes them, their hearts pounding with fear and unfulfilled lust.

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