Feeling his sister's hot breath on his swollen member, he groaned as she began to tease him with soft licks and gentle kisses. Her soft hands explored his hardness, causing a shiver to run down his spine. He arched his back in pleasure as she took him deep into her mouth, sucking and stroking with expertise. Their hips began to move in a rhythm of their own, their bodies connecting on a primal level. His grip on her hair tightened as he felt himself getting closer to the edge. Her eyes met his, full of desire and need, as she looked up at him, taking him even deeper. He couldn't hold back any longer, his orgasm taking over as he filled her mouth with his hot seed. She swallowed every drop, looking up at him with pride and satisfaction.