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People who have been replaced cannot escape because they are on the side all the time ... Closed room x W panic where men and women are replaced! The temperature rises in the extreme state of being trapped in the elevator! You have to work together to think about how to escape and how to return to your original body. Can you withstand the urge to urinate, thirst, the pleasure of the opposite sex, and the desires! ?? What is the ending of the two people who happened to be on board?