Stepsister's plan goes awry when stepbrother interrupts

After a week away, the stepbrother returns to his home to find his stepsisters in a compromising position with their friend. The plan was for them to have a wild party while he was away, but things take an unexpected turn when he walks in on them. His first reaction is shock, but soon his primal instincts take over and he decides to join in on the fun. His stepsisters, not surprised by his sudden intrusion, are actually quite excited about the unexpected turn of events. They've been waiting for this moment, and now that it's here, they're ready to take it to the next level. The friend, who was initially caught off guard, quickly recovers and joins in on the action. The room fills with moans and the smell of lust as they all give in to their primal desires.