There used to have a special bento box at every rail station in Japan. Those are called Eki (Station) Bento ... Ekiben. Now when yiou get on a long distance rail, you can buy many Ekiben from the area at the station. This is a picture of Ekiben at Tokyo Shinkansen Station.
Soba Noodle and Okra and Soft Bolid Egg Rice.
Simple but great meal for 550 yen (US$5.00) in Tokyo.
If you look a riound there are many great places to eat for not much money.
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