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Skills
ONF, pronounced “On and Off,” is a six-member boy group currently under KI Entertainment. Originally formed as a seven-member group by WM Entertainment, they debuted on August 3, 2017, with their first mini album, On/Off. The group is divided into two sub-units, ON and OFF, each led by Hyojin and Seungjun, respectively. Prior to debut, the members promoted as WM Boys and participated in various pre-debut activities. In 2017, they officially debuted with On/Off and later competed on the survival show MIXNINE, where members Hyojin and Laun advanced to the final lineup, though the project group ultimately did not debut. In 2018, ONF released their second mini album, You Complete Me, and made their Japanese debut under Victor Entertainment with the single “On/Off -Japanese Ver.-.” In 2019, they released their third mini album, We Must Love. In August of that year, member Laun departed from the group and the agency due to personal reasons. ONF subsequently continued as six members and released their fourth mini album, Go Live. In 2020, ONF participated in Mnet’s Road to Kingdom and later released their fifth mini album, Spin Off. The following year, they released their first full-length album, ONF: My Name, earning their first music show win with the title track “Beautiful Beautiful.” They followed with the repackage album City of ONF, the special summer album Popping, and their sixth mini album, Goosebumps. In late 2021, it was announced that all five Korean members would enlist simultaneously to minimize the group’s hiatus, while Japanese member U did not enlist. The five members began their military service in December 2021. Prior to enlistment, they prepared and later released the special album Storage of ONF on August 16, 2022. All five Korean members were discharged in June 2023. ONF returned with their seventh mini album, Love Effect, on October 4, 2023, marking their first comeback following military service. In 2024, members J-Us and MK began promoting under their birth names Seungjun and Minkyun. The group released their eighth mini album, Beautiful Shadow, as well as their first instrumental album, Infuse. In 2025, ONF released Part 1 of their second full-length album, ONF: My Identity, the anniversary special single “Summer Light,” and their ninth mini album, Unbroken. On January 27, 2026, WM Entertainment announced that the agency and the members had mutually agreed to conclude their exclusive contracts. Shortly thereafter, ONF signed with KI Entertainment while continuing activities under the group name.
Hyojin
효진