Emily
Hi!! I am Emily. I will study abroad in Japan starting next month. I want to know more about supermarkets in Japan.
Jose
Hi Emily, good luck for studying in Japan.
I found good articles related to your question. Here are the link:
https://blog.gaijinpot.com/supermarkets-shopping-japan/
http://www.nippon.com/en/features/jg00024/
I hope they are useful.