Siblings' Closet Sins: Guilt-Driven, Forbidden Fucking

In the throes of teenage hormones, a sister and brother find themselves alone, their curiosity piqued. They begin to masturbate, the sister fingering her wet pussy, the brother stroking his thick cock. Caught in the act, they argue, but their lust is undeniable. Soon, they're naked, the sister fantasizing about her brother's cock. As they're about to consummate their taboo desire, they're interrupted, leaving them breathless and yearning.

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