What are the manners I should follow about eating and drinking in trains and while walking around town?

You can eat and drink in some trains!

Shinkansen is OK.
Romance Car is OK.

Basically, you can eat and drink sitting in box seats, but there are some exception ; Yurikamome is not suitable.

Commuter trains are not suitable.

When you find a vendor selling Obento by a cargo in train, definitely you can eat there.

You need to throw it to garbage.

by Moo Moo

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