Envisioned in 1933: Mechanical grocery store walks around the customer
Substitute raw fish and vinegared rice for the “groceries,” lose the wrapping option (mawarizushi is one of the few things the Japanese don’t wrap), and add self-pouring draft beer vending machines, and then you’ve got a recipe for a winner (that sounds a lot like Kura Zushi near KIX, but I digress)
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