IS:SUE has been confirmed to perform at the "Sunpu Castle Summer Festival 2026," which will be held over two days, September 12th (Saturday) and 13th (Sunday), at Sunpu Castle Park in Shizuoka City.

IS:SUE will be performing on the MUSIC stage on Saturday, the 12th!

Sunpu Castle Summer Festival 2026

▪︎Date and time: Saturday, September 12, 2026

▪︎Location: Sunpu Castle Park, Shizuoka City

(1-1 Sunpu Castle Park, Aoi Ward, Shizuoka City)

▪︎Viewing method: Numbered tickets required *Free admission

Application methods and other details will be announced sequentially. Please check the "Sunpu Castle Summer Festival 2026" official website, X, Instagram, etc.!

▪︎Official website: https://sumpujo-natsumatsuri.com/