The gym was far from the station, had few machines, and was not exactly well-equipped, so the number of members was steadily declining. "This is bad! If this keeps up, we'll go bankrupt." So the owner of the gym introduced a new system, and the number of members skyrocketed! By paying a monthly fee, you can have sex with any woman in the gym, including female trainers, female customers, and receptionists! The dream gym where you can train both your body and your dick is born!