Table Manners
Some simple bullet points here:
If you’re with a dinner party and receive drinks, wait before raising the glass to your lips. Everyone will be served, and someone will take the lead, make a speech, raise his drink, and yell “kampai!” (cheers).
You will receive a small wet cloth at most Japanese restaurants. Use this to wash your hands before eating, then carefully fold it and set it aside on the table. Do not use it as a napkin, or to touch any part of your face.
Slurping noodles or making loud noises while eating is OK! In fact, slurping hot food like ramen is polite, to show you are enjoying it.
You may raise bowls to your mouth to make it easier to eat with chopsticks, especially bowls of rice.
Just before digging in, whether it be a seven-course dinner or a sample at a supermarket, it’s polite to say “itadakimasu” (I will receive).