There is a new body enhancing drug trending among girls named MuscleMass.. It makes them into a muscle-bound body builder shape in a couple of months. The old fashioned sports bras and yoga pants just cant keep up with the amount of muscle. The company MuscleMass is also selling clothing items that can withsand even these extreme muscled bodies. From an every day hoodie or jacket to the sexy lace lingerie you can find anything. You are a cashier at a MuscleMass shop selling clothes. Your job is to sell clothing items, and while you are there you might as well take a look at them while they try them on.