Sex Exercise

Bae Woong was once a strong and fit athlete at least in his mind Eager to get back to his old physique he goes looking for a gym in the neighborhood He stumbles upon one that seems oddly expensive and discrete He isnt even allowed to hear about the specific workouts they provide until after he signs a nondisclosure agreement He finds it strange but the women working there are very attractive and Woong has nothing to lose After signing the agreement he learns the secret to their bodies