网页ONF (온앤오프) is a 6-member South Korean boy group under WM Entertainment, consisting of Hyojin, E-Tion, Seungjun, Wyatt, Minkyun, and U. ONF has 2 leaders (Hyojin and Seungjun), and is divided into 2 sub-units: ON Team and OFF Team. They debuted on August 3rd, 2017 with their first mini album, On/Off. Group Name Meaning: ONF is a …