Hidden away in their cramped attic, a pair of siblings find solace in each other's arms, their bodies pressed together for warmth. The brother's hands roam, cupping his sister's small breasts, her nipples hardening against his touch. She moans softly, grinding against him, feeling his cock stiffen in his pajamas. "We shouldn't," she breathes, but her body betrays her, aching for his touch. He silences her with a kiss, his tongue exploring her mouth as his hands slip beneath her nightgown, finding her wet, ready cunt.