The “EXPO 2025 Official Pop-Up Store at Ecute Akihabara,” themed around “Myaku Myaku,” the official mascot of the Osaka-Kansai World Expo, will be held from September 18 to September 27, 2026, at “TOPPA!!! BASE AKIBA,” located inside the ticket gates at JR Akihabara Station, from September 18 to September 27, 2026. The store will feature “Myaku Myaku Studio” merchandise, including a full lineup of 20 postcards and 5 posters, store-exclusive gacha-gacha trading acrylic stands, and a “WithShot®” digital photo booth where visitors can take photos with “Myaku Myaku.”