"Kwarosa" is the Korean term used for sudden death due to heart failure or a stroke as a result of extreme hard work.
14 workers in South Korea who union officials say died because of overwork - most of them delivery drivers.
As the packages have piled up during the pandemic, so has the pressure. Around the developed world, delivery drivers are bearing the burden and the cost of the pandemic-induced new normal. The coronavirus has accelerated our love of internet shopping. In South Korea, home deliveries are expected in hours not days.