New boy band 82Major on Wednesday threw its hat into the ring with the debut album "On." The six-member group, consisting of Nam Sung-mo, Park Seok-joon, Yoon Ye-chan, Cho Seong-il, Hwang Seong-bin and Kim Do-gyun, is the first boy band debuting under novice label Great M Entertainment. Celebrating their debut, the group held a media showcase event in Seoul on Wednesday. The name, 82Major, combines the coun.