Yoshinoya cut its prices of its (regular size) gyudon from 400 yen to 280 yen in outlets in western Japan (including three prefectures of Aichi, Gifu, and Toyama),
-吉野家、西日本地区（愛知、岐阜、富山の三県を含む）の店舗にて牛丼（並）400円→280円に値下げ。