As the siblings explore the forbidden forest, they uncover a secret glade where the air is thick with lust. The brother's eyes gleam with desire, his cock tenting his tunic as he watches his sister's hips sway. She, in turn, licks her lips, her nipples hardening at the sight of his bulge. The magic of the place intensifies their longing, and they soon find themselves entwined, their bodies moving in rhythm, their moans echoing through the enchanted grove.