"Listen up everyone! Starting next week, every Monday will be a naked school day! Men and women will expose their naked bodies without deceit, and it's part of the education promotion aimed at physical and mental health! Sports festival is near, gymnastics naked. Let's unite the class and make it a success!Boys!Even if you make a mistake, don't have sexual intercourse!In addition, the classes of "classics" and "home economics" that are close to the test will be carried out naked!Anyone who cannot follow this school rule will be expelled immediately!Alright, let's do a rehearsal with the lower half naked! "