Head of Japan's largest ad agency resigns

Dentsu President Tadashi Ishii is stepping down over the "death by overwork" of a young employee.

Matsuri Takahashi, who jumped to her death in December 2015, clocked 105 hours of overtime in October of that year. 

Her death, deemed by the government to be "karoshi" or death by overwork, has prompted raids on Dentsu offices, but also has been followed by Japan's first white paper on the issue.

"It is extremely regrettable that we could not prevent overwork by a new recruit," Ishii said at a news conference.

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