Stepdaughter's displeasure at stepdad's self-pleasure over her

This story revolves around a young girl who is not particularly happy with her new living situation. Her stepdad seems to have a particular fixation with her, and it's making her very uncomfortable. One day, she catches him pleasuring himself while looking at her, and it only adds fuel to the fire. She decides to confront him, but instead of being ashamed, he openly admits his attraction towards her. This only serves to further upset her, and she vows to make him regret his actions. She starts by giving him a taste of his own medicine, and then proceeds to ride him in a passionate cowgirl position. She takes control of the situation, showing him exactly what he wants from her. The encounter leaves her feeling empowered, and him left wanting more.