Hidden Desires: Brother's Cock Awakens Sister's Lust

In the dimly lit room, a curious sister catches a glimpse of her brother's secret masturbation session. His thick, veined cock, glistening with pre-cum, sends a jolt of forbidden desire through her. She quietly watches, her own hand slipping into her panties, fingers finding her wet, throbbing clit. Their eyes meet, and the siblings share a moment of unspoken understanding, their masturbation now a shared, intimate act.

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