ONF (KOR: 온앤오프), short for “On N Off,” is a South Korean boy group under WM Entertainment. They debuted in August 2, 2017 with ON/OFF. The group consists of six members: HYOJIN, SEUNGJUN, E-TION, WYATT, MINKYUN and U. Seventh member Laun left the group in 2019.

In 2020, ONF joined Mnet’s reality television competition Road to Kingdom. Their final track from Road to Kingdom, “New World (신세계)”, was released in June 2020, and became their first track to appear on the Gaon Digital Chart and Billboard’s K-pop Hot 100. The group eventually finished in second place overall in the program. ONF released Spin Off, their fifth EP including the lead single “Sukhumvit Swimming”.

In 2021, ONF released their first full-length album ONF: My Name, consisting of eleven tracks, including its lead single “Beautiful Beautiful” which earned them their first music show win of their career on SBS MTV’s The Show. “Beautiful Beautiful” also became ONF’s first top-10 single, peaking at 7 on the Gaon Digital Chart and topping the Gaon Download Chart. ONF returned with the repackaged version of their first studio album, City of ONF consisting of three additional tracks, including the lead single “Ugly Dance”, which debuted at 1 on the Gaon Download Chart.