Siblings' Secret: Close Quarters, Close Encounters

In the confines of their shared bathroom, a brother and sister find themselves alone, their hormones raging. He catches her masturbating, her body glistening with sweat and desire. She challenges him, her eyes defiant. He rises to the occasion, his cock hard and ready. They're past the point of no return, their bodies aching for the taboo pleasure they know they shouldn't seek.

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