As part of the AKB48 20th Anniversary project, this is official limited-edition merchandise in collaboration with "Wendy's First Kitchen," which is being held from December 2, 2025, to January 7, 2026. This clear file is given at random when you purchase flavored fries with a clear file at Wendy's First Kitchen locations. The item has been opened once for content confirmation and photography due to the random distribution. Merchandise: Clear File (A4 size) Member: Mayu Masa Design: Iiwake Maybe costume (red check) Wendy's First Kitchen