O-24, a dynamic K-pop group, originally debuted on November 30, 1998 under Yeum Entertainment (formerly Eunsung Entertainment & Init Entertainment). Comprised of three talented members, the group introduced themselves to the music scene with their studio album "Live In Hip Hop". The meaning behind their group name, "O-24", signifies a dedication to thinking about hip hop throughout the entirety of the day, from 0 o'clock to 24 o'clock.