To enter the tatami room, you need to take off your slippers, wear socks or walk barefoot on the tatami.
In addition, you will find special slippers in the bathroom. When using the bathroom, take off your slippers and put on the slippers for the bathroom.
Blowing your nose in public, especially at the dinner table, is considered a bad habit.
It is considered a good habit to finish all the food on the plate.
Talking about the bathroom or disgusting topics during or after meals is unpleasant for most people.
Unlike some places in East Asia, burping is considered a rude behavior.
After eating, put all your tableware back where you started to eat, including putting the plate cover back and putting chopsticks back in the chopsticks box or paper box.
When drinking alcoholic drinks, the Japanese habit is to serve each other instead of pouring the wine themselves. You should always check your friends' glasses, and once their glasses are almost empty, you should pour them wine. Similarly, if someone wants to pour you wine, you should quickly empty your glass and hold it up to that person.
. japan-guide.com/articles/etiquette/slippers