Read Sex Exercise Manga:
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 isn’t 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 attractiv more.. e and Woong has nothing to lose. After signing the agreement, he learns the secret to their bodies