In the privacy of his room, a young man's taboo desires consume him. He's alone, but his mind is filled with images of his off-limits sister. His hand wraps around his cock, stroking it to life, as he pictures her in various states of undress. The thought of her catching him, of her reaction, only serves to fuel his lust. He imagines her joining him, their bodies entwined, his cock sliding into her wet, inviting pussy. His strokes become more urgent, his breath coming in ragged gasps. He can feel his orgasm building, his body tensing, and with a final stroke, he cums, imagining his sister's name on his lips as he does so.