About 300 yen per cup. Warm udon noodles from an old machine. This is a trip to visit the dwindling number of “udon vending machines” throughout Japan. This time, we will visit the eight remaining udon vending machines in Gunma, Japan, where we will have 72 hours to visit all of them. A man who has been a regular customer at a drive-in restaurant for 30 years. At a 24-hour store, young people and couples who love cars can be seen even late at night. What kind of drama will you encounter when you visit the udon vending machines born in the Showa period?