over workers in Japan work over 100 hours a day and some japan workers are so tired that they fall asleep anywhere on the stairs , bathrooms, cars, on there desk on the floor etc.
Hachiko was a dog that waited for 10 years for his owner to come back to the train station . Hachiko keep going back to the train station wondering  when his owner Hidesaburo ueno would be back from work.
putting your chopstick in your rice in japan is rude because it is seen as a cures in the Japanese and Chinese culture .