Yes, they do have fishcakesin their refrigerator section. They also have saki rice wine, soju and a couple other types of alcohol. They have a lot of really great Korean food items you can't find anywhere else and a small cafe that serves several delicious dishes.
I think they've got a decent selection of East Asian alcoholic beverages. I've seen fish cakes there, however I don't think I've seen Narutomaki
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