A collaboration between the TV anime “Blue Lock” and Karaoke BanBan will take place from November 20, 2026, to January 21, 2027. Featuring seven newly drawn illustrations of characters such as Seiichi Kiyoshi and Seishiro Nagi, the event will include collaboration drinks with free gifts (at 200 locations), merchandise such as large acrylic stands (at 20 locations), collaboration rooms with full-room designs (at 4 locations), and a singing campaign.