
The Tokyo Labour Bureau is understood to have raided four Dentsu offices in Japan in connection with the recent , which was ruled to be a result of overwork.
According to a report in the , the raids took place without warning on Friday. The move aims to determine whether the situation that led to the suicide of the employee, Matsuri Takahashi, was a one-off case or part of a deeper problem in Dentsu’s working culture.
Industry sources have indicated that overwork is a at a number of companies in Japan's advertising sector.
The ministry of health, labour and welfare recently released a detailing Japan’s widespread custom of working long overtime hours. Based on responses from around 1,700 companies and 20,000 workers, the report found that employees at nearly a quarter of firms work more than 80 hours of overtime a month. According to Japan’s National Police Agency, more than 2,000 people committed suicide due to work-related issues in 2015.
A (death from overwork) has been in place in Japan since 2014. It has proved difficult to enforce, but companies found to promote extreme overworking are liable for prosecution.