After a work dispute, I am transferred from my sales job at a Tokyo construction company to a factory in the suburbs. Stuck in the countryside with no nightlife, I lose all motivation and spend my shifts doing as little as possible. One morning, I arrive early and notice Minami, a married part-time worker on the dawn shift. Her drab uniform had always made her easy to overlook, but beneath it is a young, firm body glistening with sweat—just the distraction I need to relieve my boredom...