The fifth installment of the super popular series! A law has been enacted calling it a "Nude Day for Japanese People," and on this day, people must do whatever they do and go wherever they want while completely naked. Japan is thrown into a state of panic as Naked Day comes into force! There are plenty of stories about what happens on Naked Day in restaurants, convenience stores, on the buses people use to get to work, at TV stations, and all over Japan. What will happen to Japan?