Boyatetsu travels to the year 2020 in Tokyo from the year 1945. Tokyo is now plagued by a decreasing population and an increase in unemployment. Boyatetsu travels to the year 2020 in Tokyo from the year 1945. Tokyo is now plagued by a decreasing population and an increase in unemployment. Boyatetsu travels to the year 2020 in Tokyo from the year 1945. Tokyo is now plagued by a decreasing population and an increase in unemployment. Boyatetsu travels to the year 2020 in Tokyo from the year 1945. Tokyo is now plagued by a decreasing population and an increase in unemployment.