[Summary] Monthly Data（May 2026）

* Existing outlets refer to ones that have operated from the beginning to the end of the previous fiscal year on a full-year basis and remain in operation in the current fiscal year. * A price revision took place on February 1, 2025.（QB HOUSE：1,350 yen including tax → 1,400 yen including tax） * The coverage of the once-a-month campaign (a campaign that offers a 100-yen discount if a customer has t