The article explores whether or not Japanese people work on Saturdays, with the answer depending largely on the industry they are in. While some sectors require weekend work, others offer weekends off as part of a traditional five-day workweek. The article also discusses the history of Japanese work culture, including a law mandating a five-day workweek that had loopholes allowing companies to require employees to work on Saturdays without paying overtime. In recent years, there has been a shift towards promoting work-life balance and reducing overwork and burnout among Japanese workers.