The large-scale K-pop festival 'OKF (ORJET K-POP FESTA) 2026' has announced its first lineup of artists. A total of 11 groups including BTOB will participate, along with RESCENE, QWER, Lee Min-woo, Chungha, Cravity, Fifty Fifty, Billlie, Hi-Fi, Nowze, and iKON. The event will be held on September 26-27 at KINTEX in Goyang, Gyeonggi Province, with 24 teams performing in total—12 teams per day. The lineup spans from first-generation K-pop groups to currently active groups, offering diverse supplementary programs including photo zones, brand experience zones, and fan-participation events beyond traditional performances. The festival is expected to attract over 20,000 spectators and aims to grow as a global K-pop platform enjoyed by both domestic and international fans. A second lineup with top-tier domestic and international artists will be announced subsequently, with additional information to be released through official SNS and channels.