RIIZE’s third Japanese single ‘Sunburst’ received platinum certification from the Recording Industry Association of Japan, with cumulative shipments exceeding 250,000 copies as of August. According to the agency's statistics, shipments exceeded 350,000 units as of September. This single, released on August 26, contains three songs, including the house genre title song ‘Sunburst’, the ‘Winter Cup 2026’ theme song ‘RIIZE Over’, and the animation ‘KILL BLUE’ ending song ‘KILL SHOT’. RIIZE held a showcase for 1,000 people in Osaka before release, and is continuing Japanese broadcasts and local promotions. Season 2 of the Fuji TV special program is broadcast every other week, and the ‘Sunburst Train’ operates on six railway lines in Japan. Collaboration with karaoke brand JOYSOUND is also underway.