Visitors should avoid doing in Japan, such as:

1. Do not tip: Tipping is not customary in Japan and can be seen as insulting.
2. Do not ignore local customs: Japan has a rich cultural heritage and customs that may differ from what you are used to. Be respectful and follow local customs, such as removing shoes before entering a home or temple.
3. Do not talk loudly: Japanese people tend to be soft-spoken, and talking loudly in public can be considered rude.
4. Do not eat or drink while walking: It is impolite to eat or drink while walking in Japan, except for some street food.
5. Do not litter: Japan has a strict policy on littering, and it is considered disrespectful to leave trash in public places.
6. Do not be late: Punctuality is highly valued in Japan, and being late for appointments or meetings can be seen as disrespectful.
7. Do not be overly affectionate in public: Public displays of affection are not common in Japan, and it is best to avoid them in public places.
8. Do not forget to bow: Bowing is a common form of greeting and showing respect in Japan. Remember to bow when meeting new people or saying goodbye.