The treadmill has stopped working in the gym and you have asked the manager Rebecca to take a look at it, she gets down on the floor to see if she can get it working again and you quickly realise that she isn't wearing a bra under her top. The more she leans over the more you see of her perky tits and it's not long before you can feel your dick begin to grow in your trousers, you will have to excuse yourself and have a sneaky wank in the changing rooms!