Overview
- Sales begin October 3 in Japan as a limited-time collaboration with no announced end date.
- Three sets are offered: Double Cheese, Bacon Double Cheese, and Chicken Double Cheese, each featuring a special smoky mayo sauce.
- Each set costs ¥1,190 and includes small fries and a medium drink.
- Every purchase comes with an acrylic keyholder featuring newly drawn art by creator Takeru Hokazono of Chihiro Rokuhira, Hakuri Sazanami, or Hiyuki Kagari.
- Purchases are in-store only, limited to three sets per transaction, sold only as sets, with some locations excluded such as Tokyo Racecourse and Kyoto Racecourse.