Brother and sister's taboo tryst disrupted

Brother and sister, Michelle and her stepbrother, find themselves alone and bored, leading to a discreet masturbation session. Michelle, hidden in the bathroom, fingers her wet pussy and strokes her big ass, trying to be quiet. Her stepbrother, excited to shower, walks in on her, causing a heated argument. Later, they reconnect and masturbate openly, Michelle taking in her brother's thick, straight, huge cock. As they're about to act on their mutual desire, someone enters, forcing them to abruptly end their taboo encounter.

• Unknown