Incestuous siblings' closet tryst

In the throes of boredom, a stepbrother and sister find themselves alone together. As they begin to masturbate discreetly, their shared space becomes charged with sexual tension. When the brother catches his sister pleasuring herself, they engage in a heated argument that only serves to heighten their mutual attraction. Eventually, they succumb to their desires, with the sister fantasizing about her brother's cock inside her. Their intimate moment is cut short, however, by an unexpected intrusion.

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