The number of users at 24-hour fitness gyms drops dramatically after midnight, but they're perfect for people who want to immerse themselves in training alone. Today, young people are starting to work out, but at the same time, a woman enters the gym and begins doing stretching exercises. Her tight pants expose the shape of her ass, and her breasts look like they're about to spill out of her tank top. As they stare, she suddenly strokes his dick, climbs on top of him, and starts seducing him on the machine. On the mat, she inserts his erect dick deep into her vagina, thrusting violently while pressing against him. It might be best to stay away from the gym after 3am, when the sluts start appearing...