Katerina Deville is a young girl with raging hormones. She is nothing like her new stepbrother. He is disciplined and spends all day studying. She is extroverted and spends her days masturbating. Today they were home alone and she went too far. Her moans as she masturbates arouse her stepbrother's interest. When he enters her room and comes across such a sight, he doesn't hesitate to completely abandon his studies and offer the vicious stepsister his fat, succulent cock.