https://en.wikipedia.org/wiki/Amagasaki_derailment

> JR West is very strict when it comes to punctuality,[3] and commuters often depend on near-perfect timing on the part of trains to commute to and from work on time.

> Drivers for JR West face financial penalties for lateness as well as being forced into harsh and humiliating retraining programs known as nikkin kyōiku (日勤教育, "dayshift education"), which include weeding and grass-cutting duties during the day.

> This program consisted of severe verbal abuse, forcing the employees to repent by writing extensive reports. Many experts saw the process of nikkin kyōiku as punishment and psychological torture, not retraining.