This mistress did not think that she needed to study hard to pass her exams. She was intelligent and beautiful and all she needed was to understand concepts and apply them. So she used her hot ass to turn her professor on and make him putty in her hands. And that way, she did not have to worry about exams or grades in his subject which was the most crucial.
This mistress wanted to tease and deny her colleague because he thought he was God's gift to women and that everyone wanted him. She teased him and had him lusting after her but she did not give him the chance to do anything more than watch her. And she denied him when he really wanted her. She told him that she did not feel him and that she was turned off by him.
This mistress wanted to get some sensitive info but she did not want to risk being discovered. So she used her hot butt to tease this guy who worked at the office from which she wanted info. And she used her hot ass to get total control of him as he got horny. Then she used that control she had over him to get all the information that she wanted from him.