2026year 12 month 26 Sunday 31 The event will be held at Makuhari Messe International Exhibition Hall on [date]. COUNTDOWN JAPAN 26/27 supported by au Phantom Siita will be appearing in "[show name]!"

 [Performance Overview]

「COUNTDOWN JAPAN 26/27 supported by au」

●Event Dates: December​ ​26th​ ​(Sat) & 27th​ ​(Sun), 2026 / 29th​ ​(Tue), 30th​ ​(Wed), & 31st​ ​(Thu)　(No performance on the 28th​)

●Venue: Makuhari Messe International Exhibition Halls 1-11 and Event Hall (Only International Exhibition Halls 1-11​ ​will​ ​be open on the 26th)

●Performance date: Sunday, December​ ​27​, 2026​

For more details, please visit the official website⇩

https://jfes.go.link/aLwaS