Secret sisterly pleasures interrupted

In the confines of the bathroom, a sister and brother, both feeling the heat of the moment, decide to pleasure themselves. The sister, leaning over the sink, rubs her clit furiously, her moans echoing in the small space. Her brother, hidden behind the shower curtain, strokes his hard cock, imagining his sister's wet pussy. Their private moment is abruptly ended when someone enters, leaving them both panting and frustrated.

• bust
• nut
• another

• Unknown