Hyperdouraku attended the 19th Explosive Festival (Bakuretsu Matsuri) took place on 12 April 2026, at Sunshine City in Ikebukuro, Tokyo. Despite the warm weather, the military sales event attracted over 2,500 visitors. The venue featured numerous booths from major industry names such as G&G Armament, LayLax, and GunSmith BATON, showcasing a variety of airsoft guns and tactical equipment.