The sacred space becomes a temple of debauchery as the siblings engage in a taboo tryst. She, the high priestess, commands her brother's body, guiding his hands to her wet, pulsing center. He obeys, his fingers sliding in and out of her slick heat, drawing forth her divine nectar. She then takes his pulsating cock in her mouth, worshipping it with her tongue, before straddling him, impaling herself, and riding him with the fervor of a possessed woman.