Under strict food control in the era immediately after the end of World War II, sushi shops were prohibited from doing business openly due to the enforcement of the Emergency Restaurant Business Measures Ordinance in 1947.
第二次世界大戦直後、厳しい食料統制のさなか、昭和22年（1947年）飲食営業緊急措置令が施行され、すし店は表立って営業できなくなった。