Karen is aiming to compete at the national level in track and field. Her sexually harassing coach orders her to do squats and air chairs under the pretense of building up her strength, and when she runs out of energy, he tries to screw her! Karen's body starts to tremble as lactic acid builds up, but her big breasts get in the way and her thigh muscles reach their limits! Finally, the coach's head enters Karen's vagina, sinking in 1mm, 1mm! Unable to protect the finish line that doesn't want to be united, the coach's dick starts to piston deep into her vagina!