A rare and unnerving portrait of Japan’s ‘death by overwork’ culture. In the late hours of the evening, across the neon-lit streets of Tokyo and Osaka, it is not uncommon to discover starch-suited businessmen asleep in doorways or slumped, comatose on park benches. With as much as a quarter of Japan’s wage-earning population working more than 80 hours of unpaid overtime per month, people dying from stress and exhaustion has become a grim consequence of Japan’s work culture.